CATALOGUE. 117 
1 111 -17 interrupted ribs ; oufer spines 20 or more, white, the uppermost 
lader and longer; central spines 5-10, upper one broadest, longest, whiter 
r ¥ved, the others brown, terete, mostly hooked; flowers yellow, large, 2-2 y 
^\g and wide, with about 8 fringed sepals on the ovary; seeds as in the 
lN t.—Head-waters of the Mohave (Bigelow) to the sage-plains of Western 
li wada, (GRSfeb;) the southern form 4-10' high, with longer spines, (the 
igest 3-5';) the northern but 3-4:' high, with spines rarely more than 
^ the radial ones but |-1 / long. 
1 ' Cl ' ' Echinocactus pubispinus, Eng. Small, (only 2' high,) oval, with 13 
‘ upressed sinuate ribs; outer spines 6-10, bristle-like, 1-4" long, the upper- 
•' >st longest, often curved or hooked, with or without a stouter hooked cen- 
v ’ - 4 one, all usually densely pubescent.—Flower and fruit unknown. Found 
- II. Engelmann in Pleasant Valley near Salt Lake Desert. 
lo;t Echinocactus Johnsoni, Parry MSS. Medium-sized, (4-6' high,) oval, 
:Mh.17-21 low rounded interrupted close-set often oblique ribs, densely cov- 
iiii. id with stoutish reddish-gray spines ; the outer 10-14, long, the 
in per longest; the central 4, stouter, recurved; 1J' long; flowers large, 
IN*!: * long and wide, purple or pink, with numerous reniform sepals on the 
iitiii ; 'iry and tube, and ovate obtuse petals; seeds reticulate-pitted.—Discovered 
],-,<• out St. George in Southern Utah by J. E. Johnson, whose zeal for therde- 
I, opment of the natural history and resources of his region is commemorated 
the name of the species. 
glolJ Echinocactus polycepiialus, Eng. and Big. t Usually with several 
y^-ids, often oyer a foot high, with few very stout annulated curved spines 
1 very early flowers, the base of which, as well as the fruit; is enveloped in 
] i , !i ;,;rse -cotton.—From, the: Mohave region, and may be looked for in Southern 
.. vada. 
; Ceeeus^ EnOelmanni, ^arry. Heads several, 4-12' high, cylindric or 
;T» f 5 * with 11-13 ribs, bearing bunches of about 13 pale acicular radiating 
. , 1 0EREUS, Haw. Sepals and petals united above the sepal-tearing pvary into a short (\ usually 
; tube, jtfferry juicy, globose or oval, b^et with scales (sometimes roller indistindto o^ spine A Seeds 
m or bia^t; embryo straight or usuall^adfved, without albuingh^cotyledons sHbrt or foliaceous, 
monly con^ary to the sides of the seed.-globose or oval, or mostl^ylindric or <wumnar, ¥ew- or 
-U y-ribbed, usWly branched, bearing bunches^f spines on the ribs; floors lateral, jmst abo^t and 
to the" spinea^jf previous seasons, usually large. fully open in sunligh^or at night o^rareljj 
,r ently. ■ \ ^ 
The; above speciSebelong to § Echinocereus, En^—Heads commonly ml^ny, low,_ 
- r ; ; flowers short, mosU^s wide as long; ovdfy coveredSrith bniiches of spines ;%tigmas gree 
^ v 11, tuberculated; cotylehtos short, straight* ^ 
[ -' 
