DIADELPHIA DECANDRIA 



213 



R 



OTUNDIFOLIUM. 



H. prostratiim^ hir- 

 siitiim; foliis teriiatis, 

 oibiculatis ; stipiilis 

 cordatis, reflexis ; ra- 

 cemis axillaribus et 



5ii 



paniculato-terminali 

 bus: lomenti articulis 

 subrhomboideis. 



Mich. 2. p. 72. Pursh 2. p. 484. 

 Stem 2 



Prostrate, hirsute ; 

 leaves ternate, orbicu- 

 lar ; stipules cordate, 

 reflected; racemes ax- 

 illary, and paniculate 

 at the summit ; joints 



of 



the 



rhomboidal. 



pod 



nearly 



J^ 



and villous on both surfaces^ paler underneath, common petiole from 1 

 11-2 inches long. Stipvles cordate and acuminate, persistent. FlotC" 

 cr5 sparingly scatered on the racemes, common peduncle 6 — 18 inches 

 long. Calyx 4-clcft, the lower segment prolonged- Corolla pale pur- 

 ple, nearly white, hr^mentinn 3 — 4 jointed. Joints nearly rhomboidal, 

 reticulate, very pubescent along the margins. Varies sometimes witli 

 leaves ovate, slightly heart-shaped at base* 

 Grows in dry fertile soils. 



j__ 



Flowers August 



September 



9. 



H. 



RACTEOSUM 



Mich. 



\ 



labrum 



foliis 



O Mill 5 XVflll 



ternatis, ovatis, acu 



Glabrous 



? 



leaves 



nnnatis 



acutissimis 



<iue; stipuhs oblique 



ovatis ; panicula ter- 

 fnniali ; bracteis ma- 

 jusculis, ovatis, longe 

 acuminatis ; lomenti 

 ^rticulis subtriangu- 



laribus. 



ternate, ovate, acumi- 

 nate and very acute; 

 stipules obliquely o-_ 

 vate; panicle terminal; 

 bracteas large, ovate, 



with 



1-" 



a long 



acumma 



tion; joints of tire pod 



nearly triangular. 



Mich. 2. p. 73. Pursh 2. p. 482 

 H. Cuspidatum. 



Plukenet t. 308. 



Sp. pi. 3. p. 1198. Pursh 2 p. 483 

 f. 5. 



t 



Stem 3 — 5 feet high, erect and decumbent, very glabrous below, a Hftle 

 *«abrous neai the summit. Leaves tapering to a very long and acatc 



Romtj sometimes ciliate, and sprinkled with hairs along the veins, conv- 



