1088 CONVOLVULACEAE 
Q. Quamoclit (L.) Brittón. Leaf-blades 2-10 em. long; segments narrowly 
linear: dca qe clavate: ealyx- ed T to the eorolla-tube: corolla-tube 
. lon 
clavate, 2.5-3 c ong; lobes 
angular. [Ipomoea Quam oclit «s 
PRESS-VINE.) —W aste- pe "and old fields, N 
various prov vinces, Fla. to Tex., Kans., and 
Va. (Trop. A ) 
2. Q. bcn (L.) Moench. Leaf-blades 
ovate, 3-10 em. long, acuminate, angled or 
entire: pe iue duci s stouter than the 
pedieels: ealyx-lobes oblong: corolla scarlet 
r orange, rarely white; tube 2—4 em. long; 
cup-like, 1. . broad. T mo 
coccinea L.|—1n elds, and waste-places, 
various provinces, Fla. to o Mo., and 
Pa. Nat. of trop. Am. (Cent. Am.). 
EXOGONIUM Choisy. Creeping, trailing or twining vines. Leaf- 
blades, entire, lobed, or divided, rarely cordate. Flowers in aci eymes or 
tuse. Cor lla 
Capsule thick-walled, 4-se eded.— Abou t Eo 
E. microdactylum (Griseb.) House. Leaf- 
blades elliptie, n obtuse at base, en- 
tire or lobed, 3-8 cm. long: corolla crimson 
; oc 
nae slightly 5-lobed: capsule longer di 
— (WiLDp-POTATO.) — Pinelands, 
eed Keys, Fla—(W. I.)—This bee 
potato, within our range, occurs only in 
weathered s T of- oólitie cael one Ts 
roots, resembling sweet-potatoes, often fill 
the small erosion holes so dude that the rock must be broken in order to 
get them out. 
10. THYELLA Raf. Annual or perennial twining vines. Leaf-blades entire 
g 
or lobed. Flowers in dense capitate clusters an with numerous en- 
hirsute 
Sdn foliaceous, pubescent 
Sepals equa 
up to the 2 0 
Genie eerie 4- on 
roughened.—About 10 — of warm and 
tropical America. 
Es A e (L.) Raf. Annual, pubes- 
ith tawny o leaf-blades ovate or 
eliptic ovate, 5-12 long, undulate, 
pus d or cordate ni "the base: peduncles 
as long as the AE leaves or n 
SP violet or blue, 1.5-3 em. broad. 
