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north american species of cactus(臼胆鷲繁嫺)-及7嫗

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��25    to  35   mm。    long���察  �all  the   spines   straight�察  �at  first  reddish´brown�察�

becoming yellowish and ashy�察  �more   or less dark´tipped�此�flowers 2。5   cm。 

long�察�bright scarlet ��almost throughout���此�fruit 12 mm�察�long�察�clavate and red�此�

seeds black and pitted。 ��Ill。 l。 c。 t。 6��Type in Herb。 Calif。 Acad。 

     Abundant on Magdalena and Santa Margarita Islands�察�western coast of 

Lower California。Fl。 January。 

     Specimens       examined�此     �Lower     California     ��Brandegee      of  1889�察   �on 

Magdalena Island��。 

     The    tubercles    are  so   close   together   that   the  plant   appears    thickly 

covered with the unusually stout and erect´spreading straight spines�察�a few 

of the centrals being specially prominent。 The plant is more slender than 

the   ordinary   ;cylindrical;      members   of     the   genus�察  �but  stouter   than   the 

slender hooked forms of the preceding section。 

       26。 Cactus rhodanthus ��Link & Otto�� Kuntze�察�Rev。 Gen。 Pl。 261 

                                          ��1891��。 

     Mamillaria   rhodanthaLink   &   Otto�察  �Icon。   t。   26   ��1828´31��   Mamillaria 

laniferaHaw。 Phil。 Mag。 lxiii。�察�41 �┌��察�notSalm´Dyck ��1850��。 

     Oblong or subcylindric�察�30 cm。 or more high�察�7。5 to 10 cm。 in diameter�察�

often forking from the middle�此�tubercles conical�察�12 mm。 long�察�8 mm。 in 

diameter�察�with woolly axils�此�radial spines 16 to 20�察�bristle´like�察�white�察�the 

lower longer ��8 to 10 mm。���察�central spines 6 or 7�察�rigid�察�whitish with black 

tip�察  �12   mm。   long�此  �flowers   rose   color�察  �12   mm。   in   diameter�此  �fruit   2。5   cm。 

long�察�cylindrical。 ��Ill。 l。 c。��Type unknown。 

     Referred   to   Mexico   in   general�察  �but   reported   as   yet   from   San   Luis 

Potosi to southern Mexico。Fl。 profusely all summer。 

     Specimens   examined�此  �San   Luis   Potosi   ��Bourgeau   47�察  �Pringle   3679�察�

Eschanzier of 1891���此�also growing in Mo。 Bot。 Gard。 1893。 

     The specimens of Bourgeau and Pringle have somewhat larger spines 

than the type�察�as indicated by the description。 

                      27。 Cactus rhodanthus sulphureospinus。 

     Mamillaria       sulphureaForst。        Handb。      Cact。    ��1846���察    �not    Cactus 

sulphureus Gill�察。�1830��。Mamillaria rhodantha sulphureaSalm�察�Hurt。 Cact。 

Dyck。 11 ��1850��。 



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                              North American Species of Cactus 



     Central     spines     sulphur´yellow�察     �otherwise      like   the   species。Type 

unknown。 

     San Luis Potosi。 

     Specimens   examined�此  �San   Luis   Potosi   ��Pfeiffer�察  �with   no   number   or 

date�察�Eschanzier of 1891��。 

     The    varietal   distinction    maintained      seems    a  small    one�察  �but  it  is 

constant and striking�察�so far as can be discovered。 

                                   28。 Cactus capillaris。 

     Mamillaria      laniferaSalm�察    �Cact。    Hort。   Dyck。    98   ��1850���察   �not   Haw。 

Cactus laniferusKuntze�察�Rev。 Gen。 Pl。 250 ��1891��。 

     Cylindrical     and    erect�此 �tubercles    crowded�察    �conical�察   �glaucous�察   �with 

axillary   bristles�此  �radial   spines   capillary   and   very   numerous�察  �white   and 

crisped�察  �entirely   covering   the   plant�察  �central   spines   4   to   6�察  �rigid�察  �straight 

and   spreading�察  �straw´colored�察  �8   to   12   mm。   long�此  �flowers   equaling   the 

tubercles�察    �the   yellow     petals   striped    with    red�此  �fruit   unknown。Type 

unknown。 

     Referred     to   Mexico     in  general�察   �but   definitely   known      only   from 

Coahuila。 

     Specimens examined�此�Coahuila。 ��Palmer of 1880��。 

     There     is  a  confusion     of  synonymy       between     this  species    and   C。 

rhodanthus�察�both having been named Mamillaria lanifera。 The earlier M。 

lanifera of Haworth�察�however�察�is clearly M。 rhodantha of Link & Otto�察�and 

although Prince Salm´Dyck revived the name for the present species�察�the 

law of homonyms will not permit it to stand。The name proposed refers to 

the abundant display of capillary radial spines�察�which is probably the most 

notable feature。 

                              29。 Cactus palmeri�察�sp。 nov。 

     Cylindrical�此     �tubercles    crowded�察     �glaucous�察    �cylindrical    ��somewhat 

broadest above���察 �about 4   mm。 long�察 �with dense   axillary wool   containing 

bristles�此�radial spines 25 to 30�察�very slender and white but rigid�察�about 5 

mm。     long�察   �spreading     or  somewhat      radiant�察   �entangled    with    those   of 

neighboring tubercles�察�and so covering the whole plant�察�central spines 3 to 

5   ��usually   4���察  �more   robust�察  �erect   or  slightly   divergent�察   �brownish     with 

darker tip�察�7 to 8 mm。 long�此�flowers small�此�fruit clavate and scarlet�此�seeds 



                                               23 


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                              North American Species of Cactus 



black and strongly pitted�察�0。5 to 0。8 mm。 in diameter。Type�察�Palmer 921 in 

U。 S。 Nat。 Herb。 

     San Benito Island�察�off the west coast of lower California。 

     Specimens   examined�此  �Lower   California�察  �San   Benito   Island   ��Palmer 

921 of 1889�察�reported as Mamillaria Goodrichii��。 

     Very closely allied to C。 capillaris of eastern Mexico。 

                30。 Cactus stellatusWilld。 Enum。 Suppl。 30 ��1813��。 

     Cactus      pusillusDC。      Cat。    Hort。    Monsp。      184    ��1813���察   �not    Haw。 

��1803��。Mamillaria pusillaDC。 Prod。 iii。 459 ��1828��。 

     A   very   common   West   Indian   species�察  �apparently   differing   from   the 

variety   only   in   the   very   much   fewer   ��12   to   20��   radial   spines�察  �although 

numerous specimens�察�both dried and living�察�were examined for additional 

characters。This difference�察�however�察�is so constant and striking that�察�taken 

together with the wide geographical separation�察�it should stand as varietal。 

                        31。 Cactus stellatus texanus ��Engelm。��。 

     Mamillaria pusilla texanaEngelm。  Syn。  Cact。  216   ��1856��。  Mamillaria 

texanaYoung�察�Fl。 Texas�察�279 ��1873��。 

     Ovate´globose�察�2。5 to 3 cm。 in diameter�察�2。5 to 6 cm。 high�察�proliferous 

and at length cespitose�此�tubercles 7 to 9 mm。 long�察�the long axillary wool 

intermixed       with    several    coarse    twisted    bristles�此  �radial    spines    very 

numerous�察  �in      many   series�察  �the   outer   ones   ��30   to  50��   capillary�察  �white�察�

elongated and flexuous or crisped ��12 to 16 mm�察�long when straightened���察�

the   inner   ones   ��10   to   12��   more   rigid�察  �shorter   ��6   to   8   mm。���察  �puberulent�察�

whitish   or   yellowish�察  �usually   dark´tipped�察  �central   spines   5   to   8�察  �rigid�察�

straight�察   �pubescent�察    �unequal�察   �white    below    and   reddish    or  dark   above�此�

flowers 1。5 to 2 cm。 long�察�the yellowish´white petals with reddish median 

band�此�fruit 1。5 to 2 cm。 long�此�seeds black and shining�察�conspicuously pitted�察�

1。2   mm。   long。   ��Ill。   Cact。   Mex。   Bound。   t   5。��Type�察  �Bigelow   specimens   in 

Herb。 Mo。 Bot。 Gard。 

     From  the   mouth   of   the   Rio   Grande   to   El   Paso�察 �Tex。�察  �and   southward 

into Coahuila and Chihuahua。Fl。 March´May。 

     Specimens       examined�此     �Texas   ��Bigelow      of  1853�察   �Nealley    of  1892���此�

Coahuila   ��Bigelow   of   1853���此  �also   growing   in   Mo。   Bot。   Gard。   1892   and 

1893。 



                                                24 


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                             North American Species of Cactus 



     The   exterior   capillary  spines   cover   the   whole   plant   as   with   a   coarse 

wool。 

                              32。 Cactus pringlei�察�sp。 nov。 

     Globose �┌殖��察�5 cm。 in diameter�此�tubercles short´conical�察�about 6 mm。 

long�察�with very woolly axils�此�radial spines 18 to 20�察�setaceous´bristly and 

radiant�察�5 to 8 m in。 long�察�central spines 5 to 7 ��usually 6���察�stout and horny�察�

more or less recurved�察�spreading�察�20 to 25 mm。 long�察�all straw´colored�察�but 

the centrals darker�此�flowers deep red ��darker�察�even brownish�察�outside���察�8 to 

10 mm。 long�此�fruit unknown。Type�察�Pringle of 1891 in Herb。 Gray。 

     San Luis Potosi。 

     Specimens examined�此�San Luis Potosi ��Pringle of 1891��。 

     Evidently a member of the Chrysacantha group and near C。 rhodanthus 

sulphureospinus�察�but   differs   in   the much   shorter tubercles�察 �straw´colored 

spines�察�shorter radials�察�much longer centrals�察�and smaller darker flowers。 

     33。 Cactus sphaerotrichus��Lem。�� Kuntze�察�Rev。 Gen。 Pl。 261 ��1891��。 

     Mamillaria sphaerotrichaLem。 Cact。 33 ��1839��。 

     Depressed´globose�此  �tubercles   cylindrical�察  �obtuse�察  �with   some   axillary 

bristles�此�radial spines very much crowded�察�exceedingly numerous�察�radiant�察�

very slender and bristle´like�察�white�察�central spines 6 to 10 and even more�察�

erect and more rigid�此�flowers pale reddish�此�fruit unknown。Type unknown。 

     Referred to 
卦指朕村 貧匯匈 和匯匈 指欺競何 壘��0�� 家��0��
隆堋響頼��紗秘慕禰厮宴和肝写偬堋響��
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