corolla tube: corolla-lobes nearly or qui 
a the t 3—4 
HELIOTROPIACEAE 1131 
2. TOURNEFORTIA L. Hammock vines, with stout trailing or climb- 
M stems. Leaves neither crowded nor numerous: blades broad, often coarsely 
ube. Corolla white: lob Ed spreading, 
tigm 
Drupe 2 died hollow at the — 
100 species, of tropical and sub. -tropical 
regions 
- T. ater ima L. oody or partly 
oody vine, the stem and bu pubescent : 
leaf- blades oo ae broadly so, vary- 
mg t obovate, mostly 1-1.5 dm. 
Td mo less hirsute, acuminate: 
corymbs many- fovere sepals ovate, acute, villous: corolla-lobes ovate to 
deltoid-ovate, 2-2 long: drupes BUDE IB OS or ovoid-globose, 4-5 mm. 
long.—Ham mocks, "Everglade "Keys, Fla.—(W. I., Mex., C. A., S. A.)—-All year. 
3. MYRIOPUS Small Hammock vines with climbing, often twining 
stems. Leaves neither crowded nor numerous: blades broad, herbaceous, e 
finely pubescent, petioled. Flowers in corymbose, elongate, secund spikes or 
racemes. Calyx-lobes narrow or narrow-lipped. Corolla white or eeu 
lobes very narrow, usually subulate. nthers lanceolate 
the base. Style elongate: stigm a-appendage long-conie. Drupe 2-4-lobed, 
as many lobes as there are l-seeded nutlets, usually depressed ——About 15 
species, in tropical America. 
Leaves glabrous SE obscurely pubescent: ealyx-lobes triangular or triangular-lanceo- 
late in anthes 1. M. volubilis.. 
n densely “white pubescent PERLU calyx-lobes subulate or 
angular-subulate in anthes 2. M. poliochros. 
1. M. volubilis (L.) Small. Woody vine, the fine pubescence usually rusty; 
pibe e ovate p Rus Aaa 2—8 em. long, mostly acute or acuminate, 
gre beneath: corymbs with sprawling 
branches; ud men much less than half as 
ong as ol : 
dua than the tube: drupe 2-3 mm. wide, 
the lobes with black spots. [Tournefortia 
volubilis R. —Hammocks, S bi Fla. 
d the = and S Tex.—(JW.I | A. )— 
All yea 
2. M. poliochros (Spreng.) Small Vine 
lobes nearly or quite half as long as vee 
s long as the tube: drupe mm. ride, the lobes with —— Spots. 
ici pie P Spreng. ]—Hammocks on kitchenmiddens, E coast, 
Fla.—(W. I.)—All yea 
