1887. | BOTANICAL GAZETTE. 293 
finely dissected leaves (filiform or linear segments), and white 
flowers. 
1. L. echinatus Nutt. DC. Prodr. 4. 107. A span to a foot 
high: fruit about half line long, echinate with spreading 
hooked bristles; ribs obsolete and seed-face slightly concave 
(figs. 109, 110). Apicum echinatum Benth. & Hook.—Ala- 
bama to Arkansas and westward. 
L. divaricatus DC. Mem. Umbel. 39. t. 10. One to two 
feet high, with spreading branches: umbels more diffuse 
than in the last, and usually with tewer rays: fruit half a line 
long, tuberculate ; ribs somewhat prominent and seed-face 
slightly concave (figs. 111, 112). Apéum divaricatum Benth. 
Hook.—North Carolina to Fiorida and westward to lexas. 
L. pateas Nutt. DC. Prodr. 4.107. One to two feet 
dorsally flattened, with face slightly concave: stylopodium — 
doubtful, but it holds no relation whatever ot behepny 
a8 was surmised in the original description, followed by Ben- 
tham and Hooker. : 
