MAMMILLAlilA 



plish above, the uppir longer, erect, the lowc 

 tal or defiexeil: fls. 1 in. in tliara., pale purpli 

 1(^ul;, red, \S'itli a conical cap formed of the w 

 UKiius of the tlower: seeds brown. Tex. 



L'.'i. corniita, Hiidm. Depressed-Globose or 1 

 ical, small, grayish green: tubereli-s hirye, tlii 

 imbricated; areolae round: radial spines .1-7, si 

 compressed, radiant, grayish, the upper long 

 1, stouter, as long as the radials: lis. rose-rei 

 the spines fall off and the plant, covered v 

 cated, scalr-like 1 iiliiM-rJes, reminds <nir of a ] 

 .Mesic.i. 



-MAMMILLARIA 



975 



1356. Mammillaria vivipara ( \ } ■^) . Xn. 1 



24. elephintidens, Lem. Kather large, glaucous 

 green: tubercles very large and thick, becoming Imri- 

 zontal or derte.Ked and" somewhat bilolipil: s]iiiii-s ll-,S. all 

 radial, stout, yellowish or gray, appressed tn the idant 

 and somewhat recurved: tN. rose-coliir, :i in. in expan- 

 sion. Mexico. 



2.';. longimamma, DC. Cespitosc. bvii:lit gi n. fi.nn 



ing large, low clumps : tnliercles soiintinies i •<■ th.-in 2 



inches long: spines straight, piilirscriif ; radiaN 7-10; 

 central 1: tis. 2 in. or more in expaii.^ion. IVIexiio. 



Var. uberiSormis, Sebum. Tubercles ibirk.r green: 

 radial spines seldoiTi more than 4; centrals none. 



Var. globdsa, Schum. Tubercles dark gi-eeu. very 

 lung: radial spines as ina.ii}- as 12: centrals 2-.':. 



Var. sphaerica, Engidm. Tubercles about I in. long, 

 radial spines 12-14; central 1. Tex. 



21). Eoseana, Brandg. {jr. JRatlluhin . Qnch\.). T'priglit 

 branches 1-1>2 ft. long, 1^.3-0 in. in diam. : tubercles 

 rather remote, flattened and appressed, later spreadiiiir: 

 radial spines 8; central 1, brownish, strongly liooked, 

 1-2 in. long, twice as long as the radials: fr. i>right red, 

 flat on the broad top and mtieh shorter than the tti- 

 bereles. 



27. setispina, Engelm. Tpriglit branches ,s-12 in. 

 long, 2-4 in. in diam., forming dense (dumps: tubercles 

 rather crowded, ovate, sleirt: sjiines white with black 

 tips; radials 10-12; centrals 1-4, stouter, the lower one 

 strongly hooked, often twisted, l'.j-2 in. long, 2 or :i 

 times as long as the radials : fr. red, iniich exceeding the 

 tubercles. 



28. P6nilii, Greene. Upright branches 10-l,"i in. long. 

 lK-2 in. in diam., making mtich smaller clumps than the 

 twopreceding: tubercles short, ovate, not crowded : axils 

 setose: spines in three series, otiter 15-25, short, white; 

 inner 5-8, brown, longer; central row .'1. lirown, usually 

 2 of them strongly hooked, 1 in. or more in length, much 

 exceeding the other s[(ines: fr. oval or obovate. dull 

 purplish red, ■'.( in. long. 



29. Halei, liraiul-. Tpright bjamdie^ P ,-2 ft. bigli 

 2-:i in. ill diaiii.: tiibei-rles ratlier crowded, sliori-coii 

 ical from a broad base: si.incs su' 

 l.V2,5; centrals i;-;i, iliirker. tlie lower 1 

 an inch or more Ion-, usualh' slr;iiL'l 

 booked, twi. 

 red. 



I-.. -serrate, outer 

 no iiiueli stouter, 



t but sometimes 



long a^ llie other spines: fr. obovate. 



.'in. elougata, DC (,!/. ,l,:„.s<i. Link tt (Itto). Erect, 

 i:-7 ill. long, l-r.j in, tliicli: radial xpiues lli-bs, velluw; 

 centrals none: tIs, whit,. ,,,• yellowisli, t 'elil lal Mex, 



\'ar. echinata, Sebiiiu, 1 .)/. , rln'i,,'i/,i :iii,l 4/. , ,-l, I „,i rin 

 DC. I. KadiiiN as many a- 2il, yellow: ei-iilriiU 2-:;^ 

 brown.— A sloiil form, 



\'ar. tenuis, Sebum. (,)/", irunix. D(.'. .1/. /„;,i;,„,/, 

 Salm.) Radial spines about 20. pale vellow; centrals 

 none — The nio.st slender forin. oulv ' .j in. thick. 



Var. Stella- aurata, .Sehuiii. Stems soniewluit tliie-ker: 

 spines goldin yellow: I eeutral iiMudly |ireseiit, 



:il. Leona, Pos, Steni^ stonier, glaucous, upper axils 

 woolly: niilial spines about :;il, riulialit, slemb-r, white ; 

 eentr;ds (;-l2, niiieli stouter: the upper one^ |ou^'i..^r! 

 ivorv while ;it buse, i |o\e-coior oi' blili^ll alio\e \uev 'i 

 Leon, Jlex. 



22. decipiens, Selu-idw, {![. iluillci,,: in,'ni:i , Letu.l. 

 Irregularly eespitoM., soiiiewluit elavate. ol'len riis\ : 

 lubercles e\ liiidrieal ; .•ixil.s spatineiv hrisllv: radi'.'il 

 spines ,-12. whitish; eeiitrals 1-2. brown. lon:,'er: all 

 slender. .Mex, 



:i,'), Sr4g-ili3, ,S:dni. Stems low, usually as bl-oad i u' 



br ler tli;ili high, exlremelv Jiroli fiu-ons', the olTsels so 



li-blly attached that they s.ion tall by llieir own wei-bl : 

 radial spines 12-11. white: ceulr:ds none or 1. rarelv 2. 

 white, with dusky tip. Mex. 



.'14. lasiacantha, lOngelm. Low. nsnally globose or 

 depressed-globose : tubercles slemler. axils naked : 

 radial spines as maiiv :is 4U-.sn, feathiu-\ ; centrals nom 

 Tex. 



Var, denudata. Eniielm, [4/, 7t'ii,o/r/, Hori,i, Lan:,-r, 

 both lilant and tubendes: spines naked, (Jaet, 



:i."i. plumdsa, Web. Densely eespitose. at length form- 

 ing nuisses (i-lO in. ill diaiiiefer; axils long-htiirv' : i-adical 

 spines about 411. fealhered to the tip; centrals tmne,— 

 4'his and till- preceding are like feathery balls. .\f . pl.i- 

 nnis'i is sold usually under the name of .1/, hi s inrn hllur . 

 to which it appears to be rather <doselv related Xorlb 



.■\Iex, 



'■'•i\. senilis, Salm, "Proliferous :it base: axils not se- 

 tose: tultercles creiwiled : spim-s all \chite : exterior ver\' 

 niinii-roiis, erect-spreading, hair-like, llexuoits; eeutrtils 

 4-11. a little stronger, tin- upper :iiiil lower hooked,' 

 < 4iihualina, Me.x. 



27. barbata, Engelm. i llolxise-dejiressed : axils not 

 setose: exterior sjiines \-ery ritimei-oits. ):,ilose: interior 

 stronger, \ellowish. 111-].",: ceiitr;d s. ,litar\-. stout-hooked, 

 yellowish, not much longer than the others: tls, small, 

 not remote from the center; si-]i:ds timbri;ite: berr\' 

 "green." Near Chihtiahna, r\lex. 



:1S. v^tula, Mart. Subglobose or becoming subcylindri- 

 c;d : axils not setose: radial spines bristle-like, ;it lirst 

 25-;}0. obliquely spreading, later twice as many and 

 horizontal ; centrttls 1-2. yellowish brown, scarccdy 

 stouter or longer. ^lex. 



:19. cdndida, Scbeidw. (Jf. xplnrri'il rh-hu . Leni.l, At 

 length eespitose. globose, becoming Ioniser: vertex de- 

 pn-ssed: axils setose: radial s]iines biisf le-tike, nuue 

 than 50, horizontal and interwe,ven; inner spim-s s, pi. 

 12. or more, a little stouten" and u[u'iglit: 14s, ile>sh-,;olor 

 or pinkisli, 



40, pusilla, DC. ( C,o/,f,K ,s/W/,(/i(,v. Willd, Jf. xh'Varh, 

 H;iw.). Low, globular. ]iri;diferous. making larire 

 masses: tubercles cylindrical, snuilhuid loosely spread- 

 ing; a.xils with long, hair-like, torttious Itristles: radi.al 

 spities 12-20, \'ery soft and dexuous; centnds 4-0, yel- 

 lowish, a little rigid, jiubes.-ent : Ms. vcllowisli wliite, 

 W, Indies, 



\'ar, miilticeps, Salui, Larger: tnlteroles uprii.di^. 

 crowded: radial spim-s nunieroti--; centrals 11-s, slender, 

 imbescent, reddish yellow, .Mex, 



62 



