92 DIADELPHIA. DECANDRIA. 



often 12 inches long; flowers nearly white; leg-ume 1- 

 seeded. 



4. * canescens. T. N. in Fras. Catal. 1813. Stiftruti- 

 cose, and canescently villous; leaflets proximate, subses- 

 sile, ovate-elliptic, mucronulate; spikes aggregated; flow- 

 ers subsessile; dentures of the calix equal, ovate, acute; 

 vexiUum bright blue. Has. From the banks of Fox 

 river and the Ouisconsin to the Mississippi; around St. 

 Louis, Louisiana, and on the banks of the Missouri 

 probably to the Mountains. This species is nearly allied 

 to .4. pubescens, but larger, and much more villous, with 

 shorter and more numerous spikes. A very elegant and 

 ornamental plant. Germ 2-seeded, legume 1-seeded; 

 leaves almost innpunctate. Mr. Pursh places his usual mark 

 of V. V. to this species, although he had never seen a flow- 

 ering specimen except in my herbarium. 



A North American genus. 



491. ERYTHRINA. L, (CoialTree.) 



Calix subbilabiate, various. VexiUum of the 

 . corolla very long and lanceolate. Legume tovu- 

 lose, many-seeded. 



Small trees or shrubs, mostly aculeate, rarely herba- 

 ceous; leaves temate, pinnate; flowers mostly scarlet, in 

 long and terminal spikes. 



Species. 1. ^. herbacea. Leafes temate, subhastate, 

 smooth; stem herbaceous and aculeate, calix truncate; 

 root very large and tuberous. Hab. In the open bushy 

 forests of Carolina, Georgia, and Florida, not far from the 

 sea-coast; rather rare. A magnificent and large perennial 

 with long spikes of deep scarlet flowers; leaves coria- 

 ceous, acute, remarkably dilated in the middle, so as to 

 appear almost 3-lobed; stem and petiole distinctly acu- 

 leate; the root a tuber larger when full grown than an or- 

 dinary Yam, and hranched below; seeds, after the manner 

 of the genus, bright scarlet, the size of horse beans. 2. 

 corallodendron. In Florida. Muhl. Catal. 



A very splendid genus of 12 snecies, 8 of them indige- 

 nous to the warmer and tropical regions of Amei'ica, 3 to 

 India, and 1 to tlie Cape of Good Hope. 



492. LUPIN US. Ir. (Lupin.) 



Calix bilabiate. Fivo of the anthers oblong, 

 and 5 partly round. Legume coriaceous, torvU- 

 lose. 



