92 DIADELPHIA. DECANDRIA. 



often 12 inches long; flowers nearly white; leguyne 1- 

 seeded. 



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

 cose, and canescently villous; leaflets proximate, subses- 

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

 ers subsessile; deniuies of tiie calix equal, ovate, acute; 

 vexillum briglit blue. Hab. From the ba)iks of Fox 

 river and the Ouisconsin to the INIississlppi; around St. 

 Louis, Louisiana, and on -the banks of the Missouri 

 probably to the Mountains. This species is nearly allied 

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

 shorter and more numerous spikes. A very elegant and 

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

 leaves almost impunctate. Mr. Pursh phiccs his usual mark 

 of r-- V. to this sj^ecies, altliough he had never seen a flow- 

 ering specimen except in my herbarium. 



A North Am.erican genus. 



491. ERYTilRINA. L. (CoialTree.) 



Calix subbilabiate, various. Vexillum of the 

 corolla very long and lanceolate. Legume tor \i- 

 lose, many-seeded. 



Small trees or slirubs, mostly aculeate, rai-ely herba- 

 ceous; leaves ternaie, pinnate; flowers mostly scarlet, ia 

 long and terminal spikes. 



Species. 1. ^. herbcicea. Leaves temate, subhastate, 

 smootli; stem herbaceous and aculea'.c, calix truncate; 

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

 foresls 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 Lrger when full grown than an or- 

 dinary Yam, and branched 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 species, 8 of them indige- 

 r.ous to the warmer and tropical regions of America, 3 to 

 India, and 1 to the Cape of Good Hope. 



492. LUPINUS. L, (Lupin.) 



Calix bilabiate. Five of the anthers oblong, 

 and 5 partly round. Legume coriaceous, toru- 

 lose. 



