1074 | ASCLEPIADACEAE 
12. GONOLOBUS Michx. Vines, with broad leaf-blades. Calyx-lobes 
longer than the corolla-tube. Corolla campanulate: lobes spreading or reflexed 
base of 
en 
salient at the base. Stigma with an ele- 
vated lobed top.  Follieles wing-angled.— 
Three species, North American. 
an pP dde Miehx. Leaf-blades ovate, Ta 
nEs f umin n at the apex, eordate 
X- 
bes ra m 
B IUD about mm. long, the 
Ende appenda ges quite as long as the 
body: o = barely 1 mm. long: fol- 
licles 9-10 ong. [Enslenia re Nutt. eee and river- -banks, 
various I UN Fla. to Tex., Kans., and Pa. 
13. AMPHISTELMA Griseb. Slender vines, with narrow leaf-blades. 
Calyx-lobes longer than the corolla-tube. orci rotate-campanulate: lobes 
glabrous within. Crown adnate to the column, 
sessile on the base of the corolla, cup-like: 
lobes very broad, ae by the androe- 
eium. Stigma flat.—About 25 species, trop- 
ical American. 
1. A. scoparia (Nutt.) Small. Diffuse vine: 
leaf-blades narrowly linear, 2—5 cm. long: 
ealyx-lobes about 1 mm. long, deltoid, Co- 
1 m 
leafy when young, RE as it develops and 
makes myriad brane the leaves fall off or fail to develop. The uit iste 
growth is sometimes pu apne to smother a host. 
14. LYONIA Ell. Slender vines, with narrow leaf-blades. Calyx-lobes 
longer than the corolla-tube. Corolla rotate-campanulate: lobes spreading at the 
tip, eee within. Crown adnate to the : E 
short column: lobes naked at the apex, longer 
than i androecium. Stigma conie.—One 
species. 
m id aap SU haee Leaf-blades 
lin 2—7 ong, e, pendent: calyx- 
a aa. abo P ds mm. long: corolla- 
lobes purplish or greenish-white, 3-4 mm 
5 em. long. 
[Seutera maritima Dec S. palustris Vail] 
—Hammocks and salt on d imd n Plain, 
Fla. to Tex. and N. C—(W. I.)—Spr. —fall. 
