Grijfifhs—New Species of ()pu'i)ti<(. 
27 
Opuntia rugosa sp. iiov. 
A low, ascending, radiating, yellow-green si)ecies, (iO cm. or more 
high, M’ith main hranclies resting on edge and radiating, and others erect 
from them, often luiN’ing a siiread of IdO cm. or more; joints ohovate, 
broadly rounded above, ahont 11 by 14 cm., or again 11 by cm., 
sharply rounded above, tubercular raised at areoles the lirst season, latc'r 
becoming nearly smooth, but a little raised at 2 and 2 years; areoles 
ohovate, tawny-brown the first year, 5 by mm., later becoming sub- 
circular, and 5 mm. in diameter, dirty gray, varying 2 to 4 cm. 
apart; leaves large, subulate, cuspidate, dull-ligbt-reddisb tipjied, 1 cm. 
long; spicules conspicuous, formidable, in a compact, uneijual, triangu¬ 
lar, or crescentic area above, with a few scattering through remainder 
of areole, yellow; spines white, only accasionally slightly tinted at base, 
erect, diverging in all directions, at lirst 2 or '> increasing to 4 or (i, 2 or 
:> of which are central, long, large, flattened, twisted, sometimes becom¬ 
ing () cm. long, others 2 to d cm. long, and somewhat recurved; flowers 
opening at noon, canary yellow, 7 to 8 cm. in diameter when billy 
opened, yellowish-green with a tinge of dull red in bud, petals ohovate, 
cuneate, broadly rounded above, the outer row obtuse, wavj^ or almost 
eremite, slightly eroded, slightly greenish within, filaments yellow, green¬ 
ish at base, style white, stigma deep dark-green, 8-parted; ovary clavate, 
d by ()cm., tubercular, raised at the light-brown areoles, which are nearly 
tilled with yellow siiicules, and long fugaceous spines, I cm. in length; 
fruit })yriform, reddish purj)le. 
The tyjie is preserved under my inventory No. ]0,d()4, and was secured 
(jriginally near Pomona, Clalifornia. 
Opuntia affinis sp. nov. 
.V low, arborescent spi'cies, from 125 cm. high with us at 4 years of 
age to 2 m. or more in its natural habitat; joints obovate. Id by do cm., 
broadly rounded above and gradually narrowed below, densely silky, 
villous to the touch, and villous nature i)lainly visible wben viewed in 
proper light, slightly raised at areoles, the tubercles being surrounded by 
a sunken dark-green line; leaves small, subulate, ])ointed, scarcely 2 mm. 
in length; areole small, obovate, d mm. long, 25 to dO mm. ai)art, white 
to gray; spicnles light straw-colored, at firsf, not conspicuous but rather 
in a connivent tuft, d mm. long; spines absent below and 1 to 5 in 
upper i; of joint, straw-colored, Ix'coming white the second year, the 
longest d cm. and others much sbortm-, incnaising in age in both length 
and luuuhers, atd years ofh'ii 10 in numh('r and some 0 cm. long, diver¬ 
gent, flattened, angular, twisted; flowers dull dark-red in bud, with 
stigma lu’otruding the day before the ])etals spread, small, about:’, cm. 
in diameter when opened, petals 20 to 25 mm. long, slightly, when at all, 
recurved, ril)S of petals nsl and wings orangig filaments greenish below 
and ])ink above, style bright-glossy tvd, stigma dull-greenisb-red, 4- 
jiarted, e(iualing the petals in length; ovary small, snbglobose, deeply 
Iiitted, 15 to 17 mm. in diameter, with small subcircular to slightly 
