RUBIACEAE 1265 
corolla about 3 mm. long; lobes ovate, about 
as long as the tube. [B. podocephala (FI. 
E. U. 8.)]— r e 
e : 
collected at Pensacola, Fla. It has subulate 
ealyx- -lobes and a corolla about 5 mm. long, 
with the lobes mueh shorter than the tube. 
2. B. ocimoides (Burm.) DC. Annual, d 
ora G. F. eyer. 
B. micrantha du S pen. 
Fla. and the Keys , Mex., C. A. 
S. A., O. W.) 
9. B. laevis (Lam.) Griseb. Annual, 2-6 dm. tall: leaf-blades elliptic or oval, 
i 5-6 em. long, veiny: corolla much exce eding the ealyx; lobes abou mm. 
ong. [Spermacoce id ip T. & G.]—Woods and stream-banks, Coastal 
A Fla. to La.—(W. I., Mex., C. A., S. A.) 
24. SPERMACOCE [Dil.] L. Herbs or woody plants.. Leaf-blades 
herbaceous. Flowers in dense, axillary cymes. Sepals usually 4. Corolla with 
a short tube and 4 broad lobes. Stamens 4: filaments adnate at least to the 
lower part of the corolla-tube: anthers oval or globular. i E with 1 dehis- 
cent and 1 indehiscent carpel.—Four or 5 species, America 
Stem and leaves glabrous or near rly 
Plant perennial: corolla very villous in the throat. 1. S. glabra. 
Plant annual: corolla A or slightly hairy in the throat. 
Corolla-lobes shorter than the tube; hypanthium bristly. 
pubes 2. S. tenuior. 
ose lobes longer than the tube: hypanthium not 
istly. 3. S. keyensis 
Stem and eH hirsute with whitish hairs. 4. S. tetraquetra. 
1. labra Michx. Stem 1-6 dm. tall, glabrous or nearly so: leaf-blades 
d varying to broadest below or A the middle, 2-7 em. long: sepals 
becoming 1.5 mm. long, eciliate or n 
ers ed lobes elliptic-ovate: fruit 
about 3 long.—River-banks and low ( 
grounds, various eh Fla. to Tex., 
Kans., and Ohio.—Sum. or all year S. - 
2. S. tenuior (L.) Lam. Stem 1-5 dm. tall, 
or p leaf- pa d Or ellip- 
tic-lanceolate, 2-5 long: sepals finely 
bristly- D abet enm white; 2 ovate, 
shorter than the tube: fruit over 2m m. long, 
coarsely  hispidulous.—Hamm Mem Coastal 
Plain, Fla. to La. and Ga.—Spr.-sum. 
3. S. keyensis Small Stem and branches 
prostrate, 1—4 dm. long, glabrous: leaf- d 
blades elliptic, varying to broadest below or above the middle, or elliptic-lanceo- 
late, mostly 1—2 cm. long: sepals p) pubeseent: corolla white; lobes ovate, 
longer than the tube: fruit 1.5-2 m m. long, minutely hispidulous. [S. porto- 
80 
