47 



Cacti. — Orcutt. 



4S 



M. MAHCHALAC-VNTHA Cels. 



M. mutabilis Uiivior Salm, HD ed 2, 120. 



Cactus mutabilis OK 



Ai. ieucotiicha (leucocarpa) Scheidw. 

 Variety LEUCOTKKHA ilouv. 



M. r.aitabilis et fnnkii Schdw. 



M. Senkei foerst. 

 Variety XANTHOTKICHA Mouv. 



M. xanthotrioha Sthdp. Cactus xanthotri- 

 chus OK. M mutabilis xantliotricha S. 

 M PALI.ESGiNS Solieidw AGZ 1841, 42. 



"Laoteseens, cylindiica aut ovata; veitice um- 

 bilicato subacu eis abscondito; axillis maxime 

 lanatii, laua aculeis adh;erente ct mammillis 

 iuvolvenle; aieolis toiuentosi.s, tandem nudis; 

 mammillis polyaedris, laete viridibus, mox 

 pallescentibus; aculeis 4 cruciatim dispositis, 

 angulatis, recurvis, supremo maximo subtorto, 

 omnibus riirirUs, cai'Dois." 5500 ft alt Tehu:ican. 

 MAMMILLARIA MEIACANTHA E. 

 MAMMILLARIA SEMPERViVI P DC. 



Near Zim.pan, Mexico. 

 MAMMILLARIA TROHARTII Hilldm. 

 MAMMILLARIA UNCINATA Zucc. 



Schumann in aides the foilowmgin this 

 group, but as known to us all are nut milky. 

 M. CEl.SIANA Juem. 

 M. PRaELII Muehlenpf. 

 M. PYRRHOCKPHAL.I Scbeidvv. 

 M. ZEYKRIANA F Haage jr 

 M. CENTlilCIRRHA Lemaire. 

 M. CROC[I>IATA Lemaire 

 M. KaKWIN.sKIANA Mart. 

 MAMMILLARIA BICOLOR Lehm. 



Near Zimipan,, Mexico. 

 Variety NIVE'A KS. 

 MAMMILLARIA CARNEA Zucc. 



Near Zim.pa.!i., Mexico. 

 MAMMILLARIA ELEGANS DC. 

 MAMMILLARIA LAVOVIRENS S. 

 MAMMILLARIA HAAGEANA PI". 

 MAMMILLARIA MELALEUCA Karw. 

 MAMMILLARIA MELANOCENTRA 



Po.s. 

 MAMMILLARIA MUTABILIS Scheidw. 

 MAIWMILLARIA NIVGSA Link. 

 MAMMILLARIA OBSCURA Hilldm. 

 MAMMILLARIA PARKINSONII Eh. 

 MAMMILLARIA PERBBLLA Hilldm. 

 MAMMILLARIA PHYMATOTHELE 



MAMMILLARIA POLYEDRA Mart. 

 MAMMILLARIA SELTZIANA Mart. 



Near Zimipan, Mexico. 

 MAMMILLARIA SIMPLEX Haw. 



Subgenus EUM AMI LL ARIA. Plants 

 g-lobose or elongated, with watery juice, 

 and cylfn'-'lrical or ccnical grooveless tu- 

 bercles. L lowers borne usually in a ring 

 near the top of the plant, cup-shaped or 



expanded, as broad or broader than long. 

 Sepals appressed. Stamens and styles 

 shorter than the corolla. 

 MAMMILLARIA ACICULARIS Lem. 

 MAMMILLARIA ACTINOPLEA Eh. 

 MAMMILLARIA ALPINA Mart. 

 MAMMILLARIA AMABILIS Eh. 

 MAMMILLARIA AMBIGUA G. Don. 

 MAMMILLARIA AMOENA Hopff. 

 MAMMILLARIA ANCISTRATA Schelh. 

 MAMMILLARIA ANCISTRIA Walp. 

 MAMMILLARIA ANDRE AE Pf. 

 -MAMMILLARIA ARGENTEA Fenn. 

 MAMMILLARIA ARICTINA Lem. 

 MAMMILLARIA ARMILLATA K Br. 



"Sttms somewhat attenuate, reaching 

 3 dm in hieght, 4-5 cm in diameter, usu- 

 ally in clusters of 3-12, from the base, of- 

 ten branching above; tubercles some- 

 what leathery in texture; con cal, some- 

 what aigled; a::ils setose a^d sparsely 

 woolly; radial spines 9-15, 7-12 mm long, 

 the ii;n r half whiti.^ih or grayish; cen- 

 trals 1-4, 10-20 mm lorg, tlie lower on© 

 hooked and longer, all, and the outer 

 part of the radials dark brown, yellow- 

 ish or gray; flowers 1-2 cm long, scarcely 

 spreading, tlesh color; iruit red, clavate, 

 1%-- cm long; seeds coriaceius, dull 

 black, about 1 mm lo::g. oblipuely obo- 

 vate, ccnstricted above the more slender 

 basal p irtion; surface covered with mi- 

 nute, net closely contiguous pits, the in- 

 tervemn? spaces minutely wrinkled; hi- 

 lum basal, rarrow. San Jose del Cabo, 

 Baja Caliiornia. The name is in allu- 

 sion to the dark bands which encircle the 

 plant, eiving it much the appearance of 

 a raccoon's tail." — Katharine Brandegee, 

 Zoe, 5:7 (Je 19O0). 

 MAMMILLARIA ATRORX^BRA Eh. 



MAMMILLARIA ATROSANGUINBA 



Eh. 



MAMMILLARIA AL^LACANTHA P DC. 

 MAMMILLARIA BADISPINA F. 

 MAMMILLARIA BARBATA Engelm. 

 MAMMILLARIA BARLOWII R-K. 

 MAMMILLARIA BELLATLTLA F. 

 MAMMILLARIA BERGENII Eh. 

 MAMMfLLARIA BERGII Mig. 

 MAMMILLARIA BIFURCA Dietr. 

 MAMMILLARIA BINOPS Hge. 

 MAMMILLARIA EOCASANA Pos. 



This beautiful plant is covered with the fines 

 tender h;iir likf spines. 



Near San Luis Potosi, Mexico. 

 MAMMILLARIA CANDIDA Scheidw. 

 MAMMILLARIA CARRETII Rebut. 



Is Priiig-lei. 

 MAMMILLARIA CONICA Haw. 

 MAMMILLARIA DECIPIENS Schw. 



L lose tubercled small growing species with 

 delicale & pretty yellow fls 



MAMMILLARIA DIOICA K. Brandg. 



M. Goodridgii Engelmann (not Scheer?). 

 small globular species, closely set with brown- 

 ish or white spines, the central one curved 



