i PENTANDRIS. DIGYNIA. 161 
ne 
' IL DIGYNIA. | 
+ Flowers monopetalous, inferior. 
j 237. ECHITES. Jacquin. Linn. 
4 Contorted.—Calia 5-parted, small. Corolla 
salverform, border 5-clett, orifice naked. An- 
4 thers rigid, acuminate, convergent into a cone, 
| ~  *cohering to the stigma by the middle.” R. 
Brown. Style 1; stigma annulate, capitulum 
2-lobed. Follicles 2, very long and straight. 
Seed comose. | 
‘ Shrubs, mostly twining, some species exuding a lac- 
tescent sap; leaves opposite; peduncles axillary or termi- 
nal, one or many-flowered; flowers umbellate, corymbose | 
or spiked; corollaas in Nerium, Vinca, Amsonia, Periploca, 
&c, contorted, or spirally involute before expansion. 
Species. 1. £. difformis. Flowers smalland greenish- 
yellow. Calix angular at the base. Corolla lined with 
. a silky villus around the orifice. Anthers simple, seated : 
around the mouth of the tube, linear-sagittate, very acute ; 
and rigid. Style 1, xs long as the stamens; stigma annu- 
late, 2-lobed, viscid. Germ surrounded at the base by 
a glandular 5-toothed torus. 
this genus of 29 species, according to Persoon, is pe- 
culiar to the tropical parts of America, with the exception S| 
of 2 species in India, and 2 of a doubtful genus at the se 
Cape of Good Hope, being succulent and furnished with 
axillary thorns. 
238. APOCYNUM. JL. (Indian-Hemp.) 
Calis very small, 5-clelt, persistent, Corollt 
campanulate, half 5-cleft, lobes revolute, fur- 
nished at the base with 5 dentoid glands alter- 
nating with the stamina. Inthers connivent, 
Sagittate «cohering to the stigma by the mid- 
dle.* R. Brown. Style obsolete; stigma thickand— _ 
acute, Follicles long and linear. Scedcomose. 
Erect and herbaceous plants, or shrubby and twining, ks 
with opposite leaves; flowers corymbose or paniculate, 
axillary or terminal. Corolla with 5 nectariferous depres- 
- sions near its base. weer ee 
eee 
P2 
