49 



Cacti.— Orcutt. 



50 



hook. The delicate yellowish v.-hite 

 are succeeded by the club-shaped, 



into a 



flowers __ _ 



scarlet berries that possess" the flavor of ^v'ild 

 wood strawberries, and are sometimes calleM 

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

 MAMMILLARIA E LONG ATA P DC. 

 MAMMxLLARIA FLAVA E. 

 MAMMILCARIA FORDII Orcutt. 



Uvulc, '2 lI.otle^ 111 diau.eter, anu about 3 high, 

 rarely branching at base; tubercles obtuse, J^ 

 i ich across, short, 12 radial spines cinereous, % 

 -'4ii.ch long, the solitary central black and 

 hooked, '4 inch long; floweran inch long, white 

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

 purplish midvciU on the back, 6 stigmata of a 

 brownish ;irei'n etyle greenish, filaments white 

 and anthe.soraiige yellow; flowers in July; Baja 

 nnlifoinia on the westcoast. collected for L. M. 

 Fo.-d, IWJ. ^^•a^.^I. Goodridgii. 

 ma: MILL.^RIA FILIGINOSA S. 

 MAMMILLARIA GI^OCHIDIATA Mart. 



MAMMILLARIA GOODRIDGII Scheer. 

 M.iMM.LLAl;IA GRACILIS Pf. 

 MAMMU.LARIA GRAHAMII E. 

 1 to 3 inches hi^h. ijbg.^bjse, simple or 

 branching irom the base; tubercles o\'ate, 

 a.x.ls naked; radi^.l spines in one series, 20 to 

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

 whitish, suiiounding a stjuier and longer 

 hooked brown r.ne. Flowers small, nearly 1 

 inch wide, reddish; berry oval, green, with 

 small pit;ed seeds. The well-known "Arizona 

 Strawberry" or small Fishhook Cactus of N. 

 M., Arizona and Utah, rare in California. 

 MAMMI.^LARIA GRUSONII Runge. 

 iVlAMiUlLLARIA HUMBOLDTII Lh. 

 MaMMII LAKIA INCURVA Echeidw. 

 r-Ar.IJ.lILLARlA INTRIL'ATA Otto. 

 MAMMILLARIA LASIACANTHA E. 

 Variety DBNUDATA Engelmann. 

 Mammillaria leona Pes, is Poltsii. 

 MAMMILLARIA LESAUNIERI Rebut 

 MAMMILLARIA MAELENII S. 

 MAMMILLARIA MAINAE Br. 



"rttm spneri al to ovate, simple, or 

 sjiaringly brancned t: om the base, reach- 

 ing a height ot 10cm; tubercles glaucous, 

 son: ewhat incurved, cylindric, I'ecoming 

 conical, l-lM: cm long, often bright red in 

 the naKed axils: raciial spines, 10-15, yel- 

 lowish, beet ming white, slender, scarcely 

 pungent. 0-10 mm long, the upper rather 

 the shorter; centrals 1-2, both hooked, 

 lardy aa addit onal u p-r one; lower 

 Central, usually the only one, rea'ly 

 twice as long as the radials, stout andl 

 SLi ngly hoo ed, p nect. orciWn below, 

 blfck sh al'ove, som w at twis'e ; the 

 second ceitial when prisent. w dely di- 

 ■"'a'icate, a.'?cending. weaker and shorter; 

 flowers in crown at upper part of stem, 

 liin.-wisi.-wh te or llesh-comr, i-li,o cm in 

 'rngth, ircludinff tie ovary; style whit- 

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

 to ob ivate, s'oiter fan the tubercles; 

 Feeds dull-black, punctate, a little more 

 than 1 mm long, obovate. with narrowly- 

 )ln ar 1 asal hil, m. Kamed for the col- 

 ' otr Mr-. K ■* . Main, who found it in 

 Sonora, south of Nogales. It has been 



offered by dealers as M. Galestlii Ssheid, 

 to which it is not at all related."— Kath- 

 arine Brardeg e, Zoe, 5:;1 (ag 1900). 

 MAMMILLARIA MICROMERIS E. 

 mushroom cactus, found in Texas, re- 

 sembles a silk-covered button, and can 

 be handled without gloves. The deli- 

 cate, starry net work of snowy-white 

 spines over the green plant gives it a 

 very beautiful appearance. 

 Variety GREGG II Engelmann. 

 MAMMILLARIA MINIMA Reichb. 

 Mexican species, cylindrical, forming numer- 

 ous heads around the base, which readily take 

 root when detached. About 20 slender white 

 S'pires radiate from the center of each hemi- 

 spherical tubercle, enveloping the plant like 

 a bit of delicate lace; no central spine. 

 M MM LLARIA NICHCLSONII Mac 



Dow. 

 Mammi 'aria iiogalensis Runge cat, is 

 recurvata E. 



MAMMILLARIA OLIVIAE Orcutt. 



GIobos--e to ovate, 214 inches in diameter, 

 3 inches high, simple or rarely branched 

 o"- cespitosp; tubercles ovate, '4 inch long, 

 axils naked: radials 25-36, snowy white, 

 slender, rig d. 14 inch long, upper ones 

 shorter; centrals 1-3, the lower one only 

 an eighth of an inch long, erect, rigid, 

 white or tipped vifh ch^co'ate brown; the 

 two upper centrals slender. white or rarely 

 tipped w;th brown, 3 t.mes as long, close- 

 ly resemblin.g the radials; lower central 

 rarely lorger, but occasionally even V2 

 ircb lorg. slender or flexnous. brownish 

 and hooked upward— more frequently seen 

 on the lower outer tubercles of young 

 plants; fruit scarlet, clavate, with small 

 seeds. Type. Orcutt, No. 2fi02:— Of snowy 

 whitenfss from its numerous interlacing 

 spines; dedicated to the author's life part- 

 ner, wh I has accompanied him in thought 

 on the mountains and deserts of Arizona, 

 where this beautiful plant occurs. 



Mammi laria petersonii Hldm, is Heese- 



ana. 

 M^irrmilaria pfeifferl Booth, is rhodan- 



tha. 

 MAMMILLARIA PHELLOSPERMA E. 

 MAMMILLARIA PLUMOSA Web. 



MAMMILLARIA PRINGLEI K Br. 



K-^tharine Brand gee, '/oe, 5:7, publ'sh- 

 es ,his rame (tased on Cactus Pringlei 

 Coult r), and s ates that it seems to 

 scarce'v differ from M. Carretii. 

 MAMMILLARIA PUSILLA Sweet. 

 MAMMILLARIA RHODANTHA L-O. 



Oblong or subeylindric, 30 cm high, 7.5- 

 10 in diameter, often bifurcate: tubercles 

 conical. 1? mm Ion.?, S in diameter: with 

 wool'y axils- radial spines 11-20, bristle- 

 like, white, the lower S-10 mm long: cen- 

 tral PDines 6 or 7, rigid, whitish with black 

 tin, 12 mm long: flowers ro^e-oolor. 12 mm 

 tread; f-ruit 2.5 cm long, cylindrical. Mex- 

 ico. 



MAM:S'ILLARIA SPHACELATA Mart. 

 MAMMILLARIA SPINAUREA S. 

 MAMMILLARIA SPINOSISSTMA Lem. 

 MAMMILLARIA STELLA -AURATA Mt. 



