246 



LEGUMINOS^. (PTTLSE FAMILY.) 



20. HYMENOCARPIJS, Sav. Htmenocarpus. 



Calyx tubular, deeply and equally 5-fid. Petals free, short-clawed, 

 keel beaked. Stamens diadelphous. Ovary 2-ovuled. Pod stipitate, 

 circinnate, flat, 2-celled by means of a transverse partition, indehis- 

 cent, its outer margin broad-winged — Annual herbs, with aspect of 

 Medicago, the lower leaves destitute of stipules. 



H. circinnatus, Fig. 124. 



L, © .3 to .6, villous, 

 ascending or diffuse. 

 Lower leaves entire, ob- 

 long-spathulate,the others 

 sessile, with 3-4 pairs of 

 leaflets, the terminal lar- 

 ger. Heads peduncled, 

 2-4-flowered ; calyx-teeth 

 linear, longer than tube ; 

 pod round, appressed- 

 hairy, wing broader than 

 cell, with a network of 

 raised veins and a crenate, 

 prickly margin — Spring 

 — Grassy places ; everywhere. 



21. SECURIGERA, DC. Securigera. 



Calyx short-campanulate, somewhat 3-lipped, upper teeth connect- 

 ed higher up than lower. Keel tapering-beaked. Pod elongated-lin- 

 ear, beaked, flattened, nearly indehiscent, margin thickened on both 

 sides, space between seeds somewhat constricted, not separating into 

 joints — Annual herbs, with aspect of Coronilla. 



S, Coronilla, DC. .4 to .6, glabrous, erect or diffuse. Leaf- 

 lets 5-7 pairs, cuneate, truncate or retuse. Peduncles longer than 

 leaves, 6-8-flowered, in fruit much elongated; flowers yellow; pods 

 papillary between margins ; beak hooked — Spring — Fields and grass- 

 y places ; common. 



Fig. 135. 



Pod of H. circinnatus 



Pod of S. Coro)iilIa, 



22. CYTISOPSIS, Jaub. et Sp. Cytisopsis. 



Calyx tubular, bilabiate, the upper lip a little longer, bifid, the 

 lower 3-parted. Petals long-clawed, the lower 4 adnate to stamen- 

 tube. Stamens diadelphous. Ovary oo-ovuled. Pod woody, cylindri- 



