CATALOGUE. 
115 
long and G" in diameter ; petals a light sulphur-yellow, fading with age, open 
during the day. 3£ ornata, with "white" flowers and bracteated calyx-tube, 
was not met with. Stansbury's plant, so named, is Icevicaulis. From New 
Mexico and Colorado to California and Washington Territory. On dry foot- 
hills from the Washoe Mountains to Salt Lake; 4,500-G,000 feet altitude; 
June-September. (432.) 
CACTACE^. 
BY DR. GEORGE EKGELMANN. 
Mamillaria^ (Eumamillaria) Grahami, Eng. Globose or oval, usually 
simple, 1-3' high ; on the short oval close-set tubercles are numerous thin 
but rigid whitish spines, 3-6" long, the outer 15-30 in a single sci-ics and 
straight, surrounding a stouter and longer hooked brown one ; flowers small, 
nearly 1' wide, reddish ; berry oval, green, with black pitted seeds. — Rocky 
localities in Southern New Mexico, Arizona and the adjoining parts of Utah. 
Mamillaria phellosperma. Eng. Resembling the last, rather larger, 
more oblong or cylindrical ; tubercles longer and less crowded ; spines more 
numerous, the outer 40-60 in two series, the exterior bristle-like, the inner 
more robust, with 3-4 brow^n central spines, of \\ hich one or more are 
hooked ; flowers similar ; berry club-shaped, scarlet ; seed globose, with a 
larger spongy brown appendage. — Gravelly soil in Southern Utah and Ari- 
zona, rarer than the last. 
Mamillaria (Coryphantha) vivipara. Haw., Var. Simple, oval, the 
almost terete tubercles bearing fascicles of 6-8 reddish-brown spines sur- 
rounded by 15-20 grayish ones in a single series, all straight and very rigid, 
the latter 5-8", the former even 10" long ; flowers purple, often 2' or more in 
diameter, with numerous lance-subulate petals and fringed sepals ; berry oval, 
green ; seed pitted, light-brown. — ^Near St. George, Southern Utah, (J. E. 
Johnson.) Larger than the often csespitose forms of the eastern slopes and 
1 mamillaria, Haw. Sepals and petals united beyond tlio naked ovaiy into a Rliort tube. 
Berry juicy, oval or club-sliaped. Seeds brown or black; embryo straiglit, witlmut all.niii.ii ; cot ylcibnis 
very sbort, globose— Low globose or oval plants, simple or branched, covered with Hpiiie-beariiig UxUiv- 
cles; flowers rising from tlie axils of the tubercles, usually small, about as wide as long, opening in snn- 
sliine only. Comprising two sections : — 
i:UMAMILLARIA, Eng. Flowers from tlie axils of the older (never grooved) tubercles, 
iisually small. 
$ CORYPHANTHA, Exa. Tubercles grooved on the upper surface ; flowers usually large, from 
the axils of the youngest often scarcely developed tubercles. 
