976 



JIAMMILLARIA 



Viir. Texana, Engelra. Larger than the last: spines 

 in :i siric-: imf.r capillary, crisped, 30-50; interior 

 lO-lJ. a litfl.- lip. II- rigid, pubescent, white; centrals 

 5-s, l.iiiL'i r. -tiiutii-. [lubesccnt, yellow at tip. Tex. and 



a.Ij.uant Mrx. Cart. 



41. Bocasina, I'.is. Depressed-globose, or a little 

 K'liLCthened, at Iciii^th densely cespitose: axillary 

 lii-i.stles as Ions or Idm^jit than the tubercles: radial 

 spines 25-;!0, white, stilt at the base, ending in a flex- 

 uims thread; centrals 'J-.'!, slender, porrect. short, all 

 yellow with brown tips, the hooked one brown ne.-iiiv to 

 the base, pubescent. Mex. 



42. Wildii, Dietr. (3/. Wildia>ia. Otto). C.-iiti-, 

 forming hemispherical cliiinjts: radial spinesh-lii, \ -ry 

 slender, white, spreailitiL'; ci-utral.. usually .'l-l, a little 

 stouter and longer. liinii\-\ i-II-'w. Ihmwh at ha^e. imbes- 

 cent, 1-hooked. Mex. 



43. tetrancistra,En!.'iliii, (.)/". /.7i.;?<i.s7J.V)Hn,Engelm.). 

 Ovate or ovate-cylindrical, rather large, simple or 

 sparingly branched from the base : young axils spar- 

 ingly setose: radial spines 30-60, in two series; exte- 

 rior bristle-like, white; interior stouter and longer, 

 dusky-tipped or purplish; centrals 1-4, longer, brown 

 or blackish, sometimes all hooked, the upper ones some- 

 times straight : seed partly immersed in a brown 

 corky cup. S. Calif, to Utah. Cact. 



44. didica, Brandg. (3/. Goddrichii, of California). 

 .Simple or cespitose from the base, ovate to cylindrical, 

 3-8 in. high: tubercles somewhat angular and leathery: 

 radial spines 11-22, white, with brown or purple tii>s; 

 centrals 1-4, longer and darker, the upper turned up 

 among the radials, the lower porrect and strongly 

 hooked : fls. often unisexual, yellowish white with rosy 

 streak. Calif, and Lower Calif. 



Var. insuUris, Brandg. (il/. Pdlmeri, Coult., not of 

 Jac). Stems densely cespitose, shorter: axils densely 

 woolly: spines much whiter, usually all straight. San 

 Benito Island. 



45. armiliata, Brandg. Taller, often 1 ft. in height. 

 branching at base and along the sti-m: tiilnrilcs 

 crowded: radial spines 9-15; centrals 1-4. m-arly twi.c 

 as long: fls. small, yellowish, scarcely spreailiiig. Lmver 

 Calif.— The plant is marked by darker circular bauds. 



40. Wrightii, Engelm. Globose or depressed, top- 

 shaped below: radial spines 8-12, white, pubescent; cen- 

 trals 1-3, reddish black, scarcely longer than radials, all 

 hooked; fls. about 1 in. long, purple. New Mexico. 



47. Goddrichii, Scheer. Erect, cylindrical, branching 

 at base; axils naked : radial spines about 12, white; cen- 

 trals 4, white below, brown above, the 3 upper erect- 

 spreading, the lower longer. Cedros Island and Lower 

 California. 



48. Grihami, Engelm. Globose or ovate, somewhat 

 cespitosf: radial s|iiues 15-30, white, often dusky at tip. 

 the upper ones shorter; centrals usually 4. usually 

 blackish from a paler base, the 3 upper turned up anii-Tig 

 the radials, and. when pale, hardly to b.- ilistingui-lnil 

 from them: lower porrect: fls. rose-enlorcil. 1 in. in 

 expansion: fr. nearly 1 in. long. From Texas to S. Cali- 

 fornia and adjacent Mexico. 



49. vantiBta, Br.andg. Globose or hemispherical, small, 

 often cespitose : tubercles very thick and blunt, concave 

 at the end, usually extremely glaucous : radial spines 

 9-15, stout, from pure white to white below and brown- 

 ish above; central commonly 1, sometimes 2 or 3, the 

 lower little longer and darker than the radials : fls. rose- 

 color, \}4 in. in expansion : fr. scarcely juicy, nearly 

 1 in. long, circumscissile near the base. So. Lower 

 California. 



50. MainsB, Brandg. Hemispherical to ovate, usually 

 simple : tubercles somewhat incurved, glaucous, the 

 lower part and the axils often bright rose-red : radial 

 spines 10-15, yellowish becoming gray, the upper 

 shorter; centrals 1-3, the upper shorter and smaller, 

 turned upward, one of them sometimes hooked, lower 

 central stout, strongly hooked, somewhat twisted, yel- 

 lowish below, black at tip: fls. flesh-color: fr. shorter 

 than the tubercles. Vicinity of Nogales, Arizona. — Sent 

 out as M. GaleoUii. 



MAMMILLARIA 



51. Cirretti, .Schum. Simple, depressed-globose, rather 

 small: radial spines spreading-recurved and interwoven, 

 rather long, yellowi.sh ; central 1, slender, chestnut- 

 brown, paler below : fl. whitish, with rosy streak in 

 petals; sepals lone-acuminate. Mex. — The only speci- 

 men seen has bri.stles in the axils. 



52. eriacintha. Link ami l )ttM, Cylinilrica!. rl.ingated, 

 % ft. and more in li.-iL-hi r' i.ailiinL' Jn inch.v ■ i i,y 2-2 J^ 

 in. in diara. : tulj.-ril.- rn.wiliil. aruiil\- rmiiral : '.spines 

 all pubescent: railiaU :;ii-:Jl, pal.- y.-li.iw, l.ri-tle-like; 

 cinirals 2. sTriiiiger, nearly twice as long as the radials, 

 i:ii|ii.n vi-lliiw. one directed, the other downwards: fls. 

 \ill"\v. small: fr. yellow. Mex. 



"..;. sphacelita. Stems cespitose, cylindrical, G in. or 

 mure long, 1 in. in diam. : tubercles short, conical from 

 a broader, rhombic base: spines ivory white with black- 

 ish tips ; radials 12-18, horizontal-spreading ; centrals 

 3-4, upright : fls. small^ the petals acute. Mex. — The 

 proper position of this and of the preceding species is 

 still quite uncertain. 



54. spinosissima, Lem. Stems cylindrical, reaching 

 1 ft. in height and 2\i in. in diam.: tubercles short, 

 ovate-conic, somewhat ti tr:i^ ii:il : rnli,] spines 20-2.'), 

 setiform, white, spreading : > i 1' ' '. Iirownish red, 

 stronger and twice the lin_ i n.iN. Mex. 



Var. sangulnea, Hge. sii m -'■<<, ■■w],:,! .-lavate. rather 

 shorter and stouter: radial spines Is-i'u, spreading, 

 white ; centrals 8, only a little longer, but thicker and 

 bulbous at base, white with brownish base and dark 

 brown tip, the young ones dark blood-red. Mex. 



55. Thod&ntha, Link and Otto {M. Odieridna, Lem. 

 M. fuh'ispina, Haw.). Stem long-cylindric or clavate, 

 reaching more than 1 ft. in height, usually 2-parted : 

 axils bristly: radial spines 16-20, white, bristle-like, 

 horizontal -spreading ; centrals 4-6, rigid, white or yel- 

 lowish, the upper black at tip. Mex. 



Var. pyramidjllis, Schum. Central spines dark brown, 

 the young ones ruby red. 



Var. PleiHeri, Schum. (U. aurUceps, Lem.). Radial 

 spines 25 or more, yellow; centrals 6-7, recurved spread- 

 ing, golden brown. 



Var. crassisplna, Schum. Radial spines 24-27, whit- 

 ish : centrals 6-7. larger and stouter, more curved, 

 darker. 



Var. fuscMa, Sclmm. Axils naked; tubercles 4-angu- 

 lar at base: ra.lial s|.iiies 25-28, radiant, bright yellow- 

 ish brown: centrals 6, stout, strongly curved, the upper 

 very long. 



.56. dolichocSntra, Lem. (Jf. (e(roc<fH»ia, Hook.). Sub- 

 globose (but said to reach a yard in height): tubercles 

 somewhat 4-angled : areolse elliptic or rhombic: radial 

 spines none; centrals 4, slender, rigid, the upper curved 

 upward, 1-1}^ in. long, the three lower half as long, all 

 grayish brown. Mex. 



Var. Gale6ttii, Forst. Radial bristles 8-14, very short, 

 soon falling: centrals 4, seldom 1 or 2 more, spreading, 

 yellowish, with points, the upper and lower longest. 



57. discolor. Haw. Globose or ovate, glaucous : outer 

 spines 16-20, white, radiant; interior 0, rigid, recurved, 

 white below, black above, upper and lowermost very 

 long. Mex. 



58. LeaaunidTi, Schum. Hemispherical or very short- 

 cylindrical (habit of M. Heyderi): spines brownish, 

 short; radials 11-13; central upright, stronger. 



59. Haage&na, Pfr. Cespitose: heads small, at length 

 cylindrical, slender: tubercles small, crowded ; a.\ils 

 woolly: radial spines about 20, pure white, only about 

 l}4 lines long; centrals 2, black, slender, elongated, 

 upper 3, lower 4 lines long. Mex. 



60. £Iegans, DC i U iir,niih<,iniU(tma, Lehm. M. Po- 

 toslna,T3.oTt. M. A ' / . Iluli.i. Simple, then prolif- 

 erous and den-. ! ; .(..pressed-globose, later 

 lengthened: tiM. . ; -1. very small: radial 

 spines more than Jn. i.ri-d. like, about 3 lines long, 

 pure white, interwoven ;uiil covering the whole plant; 

 central spines 2 (1-3), with brown tips, the one directed 

 upward, the other downward, about twice as long as 

 radials, in the axils abundant long white wool. Mex. 



