Tee 3 2 : “ 
West American Scientist. 
Volume XI. No. 3. April, 1900. Whole No. sh i 
Review of the Cactacex of the United States.—IV 
MAMMILLARIA MISSOURIENSIS Sweet, Hort. Brit. 171, non Scheer. 
Don, Mill. iii. 160. 
Dietr. Syn. Pl. iii. g4.°  1843- 
Coulter, Le. ii. 127. 
Watson, Bibliographical Index, 403 
Cactus missouriensis Kuntze, Le; ems Coulter Le. iii. 110. 
C. mamillaris Nuttall, G 
Wright, Botany as America, ed.8, 163. 
M. agit Torrey & Gray, Fl. i. 553 
1 notesteinii god Bull. Torrey Club, xviii. 367. 1891. 
caespitosa ray, Struct. Bot. 421, fig. 838. 
“Simplex (an semper?), ‘labone; aaitiss eabervubacgen ovate-eylind un 
supra leviter sulcatorum subtomentosis; areolis junioribus albo-toment osis 
aculeis rectis albidis, radialibus 13-16 subinaequalibus is, centre 
porrecto robustiore; floribus ex axillis tuberculorum rnotinorum cer 
ho ' 
ibus (ex rubello flavicantibus), ee petalisque oblongo-lanc eolatis; . 
alis 10-13, brevioribus t 
ribus apice laceris acutis; petalis 20-23 3 integris Shrevitek abrupte r 
tis: stylo supra stamina (rube ella) paulo exse rto, stigmatibus circa a 5 
simis erectis nme saa viridibus; baccis la teralibus subglot 
_ Cactus mammillaris, } 
_ Pierre, on the Upper Missouri; 
high, and of the same diameter; the tubercles 6 or 7’ long, 
Radial spines 4 or 5; the central one 5 
pute: abruptly mucronate; stigmas only %- “4 lon ng, € 
ripens the following spring, and, as well as th seed, is v ery simi 
of M. similis, but only half as ire arnon a the — of the globose 
seed are of the same size.’ 
M. NI 
vEA Wendland, f. Cat. Hort. Herren, 1835. 
Pfeiffer Enum. 27. ; oe 
Walp. Rep. ii: 289. a rk cece Cae es 
"= bicolor fide Watson Bibliographical Index, 402. a 
= Bignior meeps ae Vospeter: spain = z 288. 
