354 



cultivated variety, are, on the contrary, highly esteemed and 

 much used. 



SuppL. Tab. XV. Lablab vulgaris. Fig. 1, Vexillum. 

 Fig. 2, 2, The wings. Fig. 3, Side view of the keel. Fig. 

 4, Petals of the keel spread open. Fig. 5, Stamens and 

 pistil : — slightly magnified. Fig. 6, Seed : — natural size. 



XVI. 

 CROTALARIA DIGITATA. 



DiADELPHiA Decandria. Nat. Ord. Leguminos^. Juss. 



Gen. Char. CaL 5-lobus bilabiatus, lab. sup. bi-, infer. 3- 

 fido. Cor. vexillum cordatum magnum, carina falcato- 

 acuminata. Filamenta omnia connexa, vagina saepius 

 superne fissa. Stylus lateraliter barbato-pubescens. 

 Legumen turgidum, valvis ventricosis inflatum, saepius 

 polyspermum, pedicellatum. — Herbae aut frutices. Folia 

 simplicia aut palmatim composita, S-aut rarissime 5-Jblio- 

 lata. Flores scepius fiavi. Bracteolse minimcB secus pedi- 

 cellum aut ad basin calycis. DC. 



Crotalaria digitata; foliolis 5 obovatis mucronatis utrinque 

 dense albo-tomentosis, stipulis subulatis falcatis reflexis, 

 racemis terminalibus. (Suppl. Tab. XVI.) 



Annual, herbaceous, erect, one or two feet high. Stems 

 irregularly angled, flexuose, covered with a dense, white wool. 

 Leaves alternate from the flexions of the stem, even more 

 thickly tomentose than it, and on both sides. Petioles rounded, 

 longer than the leaflets, which are 5 in number, digitate, 

 rarely 7, unequal, shortly petiolulated, obovate, a little re- 

 tuse, mucronated, entire. Stipules subulate, reflexed and 

 bending round the stem, deciduous. Racemes terminal, bear- 

 ing many large pedicellated yellow flowers, each furnished 

 with three unequal hracteas at the base of the pedicel, the 

 middle larger one leaf-like, the lateral subulate ones the sti- 

 pules. Pedicel, calyx, corolla and legume all glabrous. 



Calyx 5-cleft, its segments acute. Vexillum reflexed, large, 

 a little longer than the wings and keel. Stamens 10, the flla- 

 ments all united into a tube which is cleft above, and slightly 



