. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. MAMMILLARIA CI. bicolor, Lehm. Simple or proliferous: tubercles small, crowded, ovate-pyramidal : radial spines 10-20; centrals 2. less than 1 In. long, stouter, erect, black- tipped. Mex. Var. nivea, Scbura. Obovate proliferous tubercles conical: radial spines capillary: centrals 4, white, with dusky apex, upp
. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. MAMMILLARIA CI. bicolor, Lehm. Simple or proliferous: tubercles small, crowded, ovate-pyramidal : radial spines 10-20; centrals 2. less than 1 In. long, stouter, erect, black- tipped. Mex. Var. nivea, Scbura. Obovate proliferous tubercles conical: radial spines capillary: centrals 4, white, with dusky apex, upper one incurved, 1 in. long. G2. Parkinsonii, Ehrh. At length dichotomously di- vided: tubercles slenderly pyramidal: axils woolly and bristly: radial spines 20 "or "more, slender; centrals 2, 3. 4. rarely 5. brown-tipped, the upper ones 3â4 lines long, the lower 1% in. turned downward. Mes. fin. formdsa, Scheidw. Nearlv simple: tubercles 4-an- gled: v:m1,:,1 s,,!.,... " " "^ - MAXDEVILLA 'J / I 4-6. short, gray, dark-tipped; centrals 1, rarely more, longer and struuu'ir. strongly hooked, dark. Mex. 74. Trohartii, s, liuni. Globose or depressed, small: tubercles -iruill, .â¢â niieal, scarcely angled: radial spines 5, « itli dark brown tips, the lower longest; central 1, dark brown, stiff. Mex. 75. semp^rvivi, DC. Globose, blackish green, axils woolly: tubercles short, angleil: radial spines 3-7, very short, only found on ymini; tubercles: centrals only about 2 lines loni;. \it. .'..nical. nddi-b. later grav": (is. dull white with reddi>li Mr. ak. 76. Caput-Medisae, Otto. l) - f,'Iobose, dull, glaucous grpen, small : sUudrr, angled at base: spines 3-6, very short, subulate, straight, reddish when young, later gray, pubescent: fls. whitish, red- streaked. Mexico. Moiiog. Cact. fig. 95. as «. .1 ,. the upper ones of tin * rimes 3 in, long, OCCaM-iia,!, a |. a i ^ .-,.,,, ra i laa MeX. 0
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