704 



DIOECIA HEXANDBU* 



I. ViLLOSA. L 



D. fbliis alternis, op 



L 



DOS I 



verticillalisque, opposite and 



datis 



minatis 



htus pubescentib 



9 



9 iiervib 



9 



late 



ate 



d 



alternate 



verticil 

 acumi 



9 



nate, pubescent under- 



neath 



9-nerved 



b 



lateral nerves simple 



the 



* 



sometimes 



Sp. pi. 4. p. 796. Porsh, l.p. 251. Nutt. 2. p. 238. 



D. Paniculata, Mich. 2. p. 239. 



D. Quinata, Walt. p. 246. • 



^ Root perennial. Stem herbaceous, cllmVmg over shrubs, 

 to 15 feet high, terete, plabrous? Lower leaces verlici late, the "PP^^ g*^«^ 

 rally ahernatecordat'e: acuminate, 9-nerved, as far as .t has occurred o m« 

 genWallv glabrous. Sterile florets in slender axillary pamde , ver> ma^ 

 in small clusters on the branches of the panicle. ^ ertde florets .n simple 

 racemes; germ inferior; styles three; stigmas 3-cleft; capsule 3-ceUed, 



winged, 2-seeded. 



Grows in dry sandy moderately fertile soils. 



Flowers May to July. 



2. QUATERNATA. Walt. 



D. foliis verticillatis, 



Leaves 



verticilJate 



? 



quaternis 



cordatis 



9 



alternisve, 

 acumi natis, 



utrinque glabris, 7-ner- 

 vibus, nervis laterali- 

 bus bifidis. 



by fours and alternate, 



cordate. 



acuminate 



9 



glabrous on both sur- 

 faces, 7-nerved, the la- 

 teral nerves divided. 



Walt.j). 246. Pursb, l.p. 251. Nutt. 2. p. 238. 



A vine very similar to the preceding. Describing from *^^. t^^^^ore 

 now before me, I should say that the leaves are rather s'^^^'*''".'*^' . -j^j at 

 tapering and acuminate summit, 7-nerved with the exterior pair div ^^^^ 

 some distance from the base, and the sterile florets more numerous. 

 thickly clustered, and the calyx rather longer. 



Grows in drv fertile soils. 



Flowers 



^ 



^_ 



