49 



Cacti.- Orcutt 



50 



Into a hook. The delicate yellowish white 

 flowers are succeeded by the club-shaped, 

 scarlet berries that possess the flavor of wild- 

 wood strawberries, and are sometimes calle'd 

 "hep-pitallas," the "llavina" of the Mexicans. 



MAMMILLARIA ELONGATA P DC. 

 MAMMiLLARIA FLAVA E. 

 MAMMILLARIA FORDII Orcutt. 



Ovale, 2 incheb in diameter, and about 3 high, 

 rarely branching at base; tubercles obtuse, % 

 i.ieh across, short, 12 radial spines cinereous, Va 

 -V^iiieh long, the solitary central black and 

 hooked, % inch long; flower an inch long, white 

 with about 9 petals a;.d 9 sepals— the latter with 

 purplish midvein ou the back, 6 stigmata of a 

 brownish green style greenish, filaments white 

 and anthersorange yellow; flowers in July; Baja 

 California on the west coast, collected for L. M. 

 Ford, 1899. Near M. Goodridgii. 

 MAI.-MILLARIA FULIGINOSA S, 

 MAMMILLARIA GLOCHIDIATA Mart. 



MAMMILLARIA GOODRIDGII Scheer. 

 MAMMiLLARIA GRACILIS Pf. 

 MAMMILLARIA GRAHAMII E. 

 1 to 3 inches high, subg^obose, simple or 

 branching Irom the base; tubercles ovate, 

 axils naked; radir.I spines in one series, 20 to 

 30 in number, 3 to 6 lines long, rigid and 

 whitish, surrounding a stouter and longer 

 hooked brown r.-ne. Flowers small, nearly 1 

 inch wide, reddish; berry oval, green, with 

 small pitied seeds. The well-known "Arizona 

 Strawberry" or small Fishhook Cactus of N. 

 M., Arizona and Utah, rare in California. 



MAMMILLARIA GRUSONII Runge. 

 MAMMILLARIA HUMBGLDTII Lh. 

 MAMMILLARIA INCURVA Seheidw. 



aiammillaria intricata otto. 



MAMMILLARIA LASIACANTHA E. 

 Variety DEiNUDATA Engelmann. 

 Mammillaria leona Pos„ is Pottsii. 

 MAMMILLARIA LESAUNIERI Rebut. 

 MAMMILLARIA MAELENII S. 

 MAMMILLARIA MAINAE Er. 



"nem spneii al to ovate, simple, or 

 sparingly Lrancaed fiom the base, reach- 

 ing a height or 10cm; tubercles glaucous, 

 sori.ewhat incurved, cylindric, becoming 

 conical, I-IV2 cm long, often bright red in 

 the naked a^cils; radial spines, 10-15, yel- 

 lowish, becoming white, slender, scarcely 

 pungent, 6-10 mm long, the upper rather 

 the shorter; centrals 1-2, both hooked, 

 rarely an addit onal u;pr one; lower 

 c-ntrai, usually the only one, nearly 

 twice as long as the radials, stout and 

 s 1 ngiy hoo ed, p nect, urown below, 

 bit cksh above, sorn w at twjs'e ; the 

 s cond ceattal when present, w dely di- 

 "ancate, ascending, weaker and shorter: 

 flowers in crown at upper part of stem, 

 pinKJsri-wh te or flesh-color, 1-V/2 cm in 

 'ength, including tie ovary; style whit- 

 ish, deeply, few-lobed fruit red, globular, 

 to objvate, shorter t an Ihe tubercles; 

 seer's dull-black, punctate, a little more 

 than 1 mm long, obovate, with narrowly- 

 iin ar 1 asal httctrx. Named for the col- 

 ' ot r Mr\ T<\ TV. Main, who found it in 

 Sonora, south of Nogales. It has been 



offered by dealers aa ivi. Galestlil &sh< Id, 



lo whirl, it is not al nil related." Kath- 

 ••11 in i Brai deg e, Zoe, r».. 1 (ag L900). 

 MAMMILLA I! I A MICROMERIS BX 

 mushroom cactus, found in Texas, re- 

 sembles ;i, silk-covered button, and can 

 be handled without gloves. The deli- 

 cate, starry net work of snowy-whito 

 spines over the green plant gives it a 

 very beautiful appearance. 

 Variety GREGG II Engelmann. 

 M A Al MILL ARIA MINIMA Reichb. 

 Mexican species, cylindrical, forming numer- 

 ous heads around the base, which readily take 

 root when detached. About 20 slender white 

 supines radiate from the center of each hemi- 

 spherical tubercle, enveloping the plant like 

 a bit o.f delicate lace; no central spine. 



M'MM.LLARIA NICHOLSONII Mac 



Dow. 



Mammi laria nogalensis Runge cat, is 



recurvata E. 



MAMMILLARIA OLIA^IAE Orcutt. 



Globose to ovate, 2% inches in diameter, 

 3 inches high, simple or rarely branched 

 o~ cespitos^: tubercles ovate, V4. inch long, 

 axils naked; radials 25-36, snowy white, 

 slender, rig d, y± inch long, upper ones 

 shorter; centrals 1-3, the lower one only 

 an eighth of an inch long, erect, rigid, 

 white or tipped T-Hh chocolate brown; the 

 two upper centrals slender, white or rarely 

 tipped with brown, 3 times as long, close- 

 ly resembling the radials; lower central 

 rarely longer, but occasionally even V2 

 inch long, slender or flexuous, brownish 

 and hooked upward — more frequently seen 

 on the lower outer tubercles of young 

 plants; fruit scarlet, clavate, with small 

 seeds. Type, Orcutt, No. 2602:— Of snowy 

 whiteness from its numerous interlacing 

 spines; dedicated to the author's life part- 

 ner, whn has accompanied him in thought 

 ■ on the mountains and deserts of Arizona, 

 where this beautiful plant occurs. 



Mammtlaria petersonii Hldm, is Heese- 



ana. 

 M^mmiraria pfeifferi Booth, is rhodan- 



tha. 

 MAMMILLARIA PHELLOSPERMA E. 

 MAMMILLARIA PLUMOSA Web. 



MAMMILLARIA PRINGLEI K Br. 



Katharine Brand gee, Zoe, 5:7, publish- 

 es this tame (based on Cactus Pringlei 

 Coult r), and sates that it seems to 

 scarcely differ front M. CarretiL 

 MAMMILLARIA PTJSILLA Sweet. 

 MAMMILLARIA RHODANTHA L-O. 



Oblong or subcylindric, 30 cm high, 7.5- 

 10 in diameter, often bifurcate; tubercles 

 conical, 1? mm long, S in diameter; with 

 wool'y axils- rgdial spines 16-20, bristle- 

 like, white, the lower 8-10 mm long; cen- 

 tral snines 6 or 7, rigid, whitish with black 

 tin, 12 mm long; Powers ro^e-color, 12 mm 

 tread; fruit 2.5 cm long, cylindrical. Mex- 

 ico. 



MAMMILLARIA SPHACELATA Mart. 

 MAMMILLAPIA SPINAUREA S. 

 MAMMILLARIA SPINOSISSTMA Lem. 

 MAMMILLARIA STELLA- AURATA ML 



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