675 



related species black, somewhat pyri- 

 form and minutely pitted. From San 

 Diego a short distance north but 

 southward to Cape St. 'Lucas always 

 so far as known near the coast. Some 

 plants brought by Mr. Anthony from 

 San Juanico, Baja California, have 

 the radial spines brown, and plants 

 from San Jose del Cabo show colored 

 rings of growth. It has been found 

 a.s far as known on none of the islands 

 excepting Todos Santos near Ensen- 

 V .ada." (5-20) 



M. DESEX&TI E, B 2:449. 

 MAMMILLARIA GABBII Engeim. 



Cactus gabbii Coulter, U S na Hb cont 

 3:109: 'Globose, 5-10 cm in diameter, sim- 

 ple, tubercles cylindrical, slender, 12-14 

 mm long, with woolly axils; radial spines 

 a/bout 13, 5-8 mm long, lower ones longer 

 and stouter, especially the latest ones 

 pectinate; the central shorter, straight 

 and robust; Sov/trs small, yeilowigfh-red; 

 fruit unknown. Type in Herb. Mo. Bot. 

 Gard. Among rocks, from San Ignacio 

 to Mission San Fernanda, Lower Califor- 

 nia." 



Near San Quintin bay, Baja Cal. (Or- 

 cutt). 



Cactus brandegei Coulter, U 3 Na Hb 

 cont 3:76. 



31. GOOD KID Gil Sc'ieer, SHD 91. B 1: 

 243. Z 2:19. Par ^6. P 1:265 San Benito 

 Isl; 203 Cedros. 

 M. GRAHAMI E. B 1:244. 

 1 to 3 inches high, sabglobose, simple or 

 branching from the base; tubercles ovate, 

 axils naked; radial spines in one series, 20 to 

 30 in numlber, 3 to 6 Hives long, rigid and 

 whitish, surrounding a stouter and longer 

 hooked brown oae. Flowers small, nearly 1 

 inch wide, reddish; berry oval, green, with 

 small pitted seeds. The well-known "Arizona 

 Strawberry" or small Fishhook Cactus of N. 

 M., Arizona and Utah, rare in California. 

 M. HALEI Br. Z 2:12. 19. 



"Caespitose, stems 8-10, about a foot 

 high, 2-3 inches in diameter, straight, cov- 

 ered with dark-colored .--.'traight spines; tu- 

 bercles short, rounded, woolly in the ax- 

 ils; spines 15-25, % inch long, with 3-4 of 

 the interior ones stouter and an inch long; 

 flowers an inch long, vertical from the ax- 

 ils of young tubercles, scarlet ; sepals all 

 scarlet, petaioid: anthers scarlet, fila- 

 ments exserted, yellowish, stigma scarlet: 

 fruit red, clavate, \^ inch long: seeds 

 smooth. A handsome species, seen only 

 upon Magdalena and Santa Margarita Is- 

 lands, where it is very abundant." Bran- 

 degee Cal ac pr sr 2, 2:161, t 6. 

 M. ItEKTA K Br, Z 5:194. A 1:92 fdr. 

 MAMMILLARIA MAINA.B Br. 



"Hemispherical to ovate, simple, or 

 sparingly branched from the base, reach- 

 ing a height cf 10 cm: tubercles glaucous, 

 somewhat incurved, cylirtdrlc, becoming 

 conical, 1-1% cm long, often bright red in 

 the naked axils; radial *pitus, 10-15, yel- 

 lowish, becoming white, offender, scarcely 

 prng-M;t. f>-10 mm long, the upper rather 

 the shorter; centrals 1-3. both hooked, 



676 



rarely an additional upper one; lower 

 central, usually the only one, nearly 

 twice as long as the radials, stout and 

 strongly hooked, porrect, brown below, 

 blackish above, somewhat twisted; the 

 second central when present, widely di- 

 varicate, ascending, weaker and shorter; 

 flowers in crown at upper part of stem, 

 pinkish-white or flesh-color, 1-1% cm in 

 length, including the ovary; style whit- 

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

 to obovate, shorter than the tubercles; 

 seeds dull-black, punctate, a little more 

 than 1 mm long, obovate, with narrowly- 

 iir.iar basal hilurn. Named for the col- 

 lector, Mrs. F. M. Main, who found it ir 

 Sonora, south of Nogales. It has been 

 offered by dealers as M. Galeotii Scheid, 

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

 arine Branctegee, Zoe, 5:1 (Ag 1900). 

 M. Missouriesisi-s Sweet, Hort. Brit. 

 171, not Scheer. Stems usually sim- 

 ple, subglobose, about 3-5 cm. high, 

 with cylindric-ovoid tubercles 12-14 

 mm. long, these slightly grooved: 

 spines narrow; radials 13-17, whitish, 

 bristle-like, 8-10 mm. long, straight; 

 central 1, stouter, 10-12 mm. long, 

 puberulent, or often o: flowers yellow 

 to reddish, mostly 2.4 cm. long: 

 stigmas 2-5: fruit subglobose. 6-8 mm. 

 in diameter, scarlet: seeds subglobose, 

 pitted. 1 mm. or less in diameter. 

 Prairies of South Dakota, Colorado, 

 Kansas, to Texas. (5) 



MAMMILLARIA N1CKELSAE K Br. 



"Soon and densely caespitose. glaucous 

 and often purplish, 4-t> cm high, hemis- 

 pherical or globose: tubercles 10-12 mm 

 long, becoming: quite as broad and im- 

 bricated; spines 14-18 all radial, slender, 

 at first yellowish with darker tips, later 

 all gray; lower spines 8-10 mm long, the 

 upper one-third longer, stouter, extend- 

 ing- into the groove and forming a fas- 

 cicle, the clustered fascicles making an 

 upright tuft at the vertex; flowers 5-7 cm 

 in full expansion, said to be bright yel- 

 low with red center; fruit unknown. 

 Southward from Laredo, Texas. Named 

 for the co'lect&r, Mrs. Anna B. Nickels, 

 arcl offered in catalogues as M. Nickelsii. 

 Evidently closely related to M. sulcata 

 Engelm." Katharine Brandegee. Zoe, 5: 

 21 (Ag 1900). 

 MAMMILLARIA OLIVIAE Orcutt. 



Globose to ovate, 2% inches in diameter, 

 3 inches high, simple or rarely branched 

 or cespitose: tubercles ovate, % inch long, 

 axils naked; radials 25-36, snowy white, 

 slender, rigid, % inch long, upper ones 

 shorter; centrals 1-3, the lower one only 

 an eighth of an inch long, erect, rigid, 

 white or tipped with 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 % 

 inch long, slender or flexuous. brownish 

 and hooked upward more frequently seen 



