OPUNTIACEAE 905 
mm. in diameter.—(ATLANTIC PRICKLY-PEAR.)—Sandy or rocky places, edd 
us Prodi omm Plain only N; Ga. to Ala. N. Y. and Mass. Has bee 
eon eee with O. vulgaris Mill., a South American plant. 
10. O. Pollardi Britton & Rose. Plant prostrate, forming irregular mats, 
somewhat tuberous: joints dag nities or oval, varying to broadly obovate, 
brian m d 10-15 cm. long, r sometimes el deep-green cape 
the r les s glaucous se ae dull: leaves ovoid, 3 . long, t or 
MORSU. sightly ue deep-green, unaccompanied pe bristles 2E spines: 
areolae rather conspicuous, much scattered, some of the upper ones, at least, 
usually arm cg. EC ae usually solitary, yellowish or pinkish, "pecomin 
pale-gray at ma EC when dry, n-brown when wet: hypanthium 
obovoid LE Hoa obovoid, uneven: ps RCM reen, the outer d to pen 
sep 
2-12 m ong, aeute, the "inner euneate-obovate, abruptly pointed or ro- 
nate: cori ET, em. i ars yellow: petals fex ew, 7—10, inni once 
broadly so, 2.5-3 cm. long, notehed and often BI at the apex: 
b ab: 1.5-2 mm. lon s peus obovoid, d AL purple, the 
mbilieus concave: seeds sometimes rather numero n diameter, 
turgid le sand-dunes, and rarely oak ood. bur Plain, Fla. to 
Miss. and Del 
eei he atrocapensis Small. Plant diffusely prostrate, ineine assurgent at 
tip, much-branched, the dec ir branehes with fibrous (?) roots: joints 
ed elliptie, or proa ae oval, ne ^ was ng, deep-green, sometimes shin- 
ing, not glaucous: tout-su bul long: aen small, often 
med: spines TUM celina, light- S Pond ng white or finally gray 
rem dry, straw-colored and often brown-mottled when wet, the longer ones 
2—3.9 em. long: hypanthium obconic, 2—2.5 em. long, nearly even, iiu at the 
base: sepals green, the outer ovoid to triangular-lanceolate, 3-7 mm. long, 
wide: petals few, 8— o o to suborbieu! ar, 2-3 em. long, rounded or notched 
t 
at the apex, crisped, d: t mucronate, rounded or truncate at the base: 
anthers nearly 2 mm En : be ce: Hie obovoid, c em. long, reddish- 
purple, many-seeded, the ‘ambili 2 a E seeds 3-3.5 mm. in diameter, 
flat.—Sand-dunes, Cape Sable, F 
12. O. ipd eie ee be often radially branched, sometimes form- 
eti 
ing mats eter across, the tips of the branches sometimes assu rie 
with ee cord Jike n “joints elliptic to Edu obovate, often na 
ro nei so, thick, 0.4—1.5 dm. long, deep-green, sometimes glaucous, ier 
n young: s subulate, 6—11 mm. long, j^ een or purple-tinged: areolae 
senttered often conspicuous, der aen very prominent and densely bristly, the 
arginal o ones, at least, armed: spines slen aoe dini or 2 together, D 
pal 
md um = or a banded, at pred gray o arly w white when ary, 
stramineous when : hypant hium obeonie to ns ES sepals green, the p 
subulate m on acute, the intermediate lanceolate to tanga. age eo- 
o E npe the inner rhombic, abruptly acuminate: corolla 7—9 
vide; peta als rather numerous, the outer broadly Cue Bil the 
inns "ns broadly o to flabellate or ee A erose at the broad 
minutely mucronate ag nthers abou ny mm. long: berry clavate, 5-6.5 
meee red or red-purple, many- pe e umbilicus concave: seeds. about 5-6 
in diameter —Pinelands, lime- a fon Fla. 
13. O. turgida Small. Plant erect, more or less diffusely branched, 0.5 m. 
tall or a with fibrous roots: joints elliptic to elliptic-obovate, 5-12 em. 
long, thickish, deep-green, o slightly glaucous when youne dba. 
subulate, 6-10 mm. long, spreading and more or less recurved, green, sometim 
aecompanied by fine bristles, but without spines: areolae i often 
