West American Scienti 
Volume XI, January 1899. 
Review of the Cactacez of the United States.—ill, 
[Parts 1 and 2 have been printed separately, and this anda sneceedi ng 
parts it is intended to reprint with consecutive paging.] 
Genus MAMMILLARIA Haworth. 
? 
“Mammillary Thistle. Cactus Linn. &c. Calyx superus colsiean 
fidus, laciniis subimbricatis, superne expansis, inferne coalitis it 
nudum cylindricum; interioribus petaliformibus. Stigma s 
dum radiatum. Suffrutices rotundati carnosi absque axe ligneo, ke 
centes aphylli, mammnillis crebre tecti pig ai aie 
stellam ad apicem singulz mammille. Flo 
m. Fructus bacca parva polysperma dices coccinea, piel 
Semina rotundata parva pallide carne pulposa nidulant 
“Synopsis plantarum succulentarum, cum desc 
sy teat: ee observationibus anglicanis, culturaque,” 177. 
“Sepals and petals united beyond the naked ovary into a short t 
juic ee 
oval or club-shaped. Seeds brown or blac 
without albumen; sain ledons very short, globos 
ee Spapgied or b nch ed, covered with spine: bearing 
k long, opening in centile oo) George Engelmans, in] 
Vv. ETS) oO 1S75, A 
- MAMILLARIA: Prince Jos. de orate, “Cnctei 3 in H ort 
a sd lah 
