LEGTJMINOSZE-FAFILIONACEJE. 265 



71. Olneya A. Gray. 1 — Calyx subcampanulate membranous ; lobes 

 5, nearly equal, or 2 superior connate to a considerable height, im- 

 bricated in aestivation. Standard broadly orbicular, unguicu- 

 late ; limb reflexed, furnished with 2 infiexed auriculate appendages 

 and with 2 callosities within ; wings oblique free ; keel broad curved 

 obtuse. Stamens 10, 2-adelphous (9-1) ; anthers uniform. Germen 

 sessile ce -ovulate ; ovules subrhomboidal, compressed; style curved 

 almost from base, bearded all round above middle ; apex thick 

 capitate stigmatiferous. Legume compressed, rather oblique, glan- 

 dular, continuous within, 2-valved ; valves thickly coriaceous, finally 

 very convex over seeds. Seeds 1, 2, broadly ovate, exarillate. — A 

 small tree, covered with hoary hairs, often armed with prickles 

 below the stipules ; leaves impari- or subparipinnate ; midrib apicu- 

 late ; leaflets alternate entire, rather rigid, exstipellate ; stipules 

 minute setaceous caducous ; flowers 2 in axillary racemes ; bracts 

 caducous (?) {California*). 



72. Coursetia DC. 4 — Calyx broad; teeth 5, elongated, nearly 

 equal; 2 superior connate to a considerable height. Petals about 

 equal in length ; standard broadly orbicular or reniform ; claw 

 short ; sides usually reflexed ; wings free obovate-oblong ; keel 

 curved, shortly beaked or rather obtuse. Stamens 10, either 2-adel- 

 phous (9-1) or vexillary stamen connate at middle with remainder; 

 anthers uniform. Grermen sessile cc -ovulate ; style rather rigid, at 

 base slightly dilated and hollow, then infiexed, above longitu- 

 dinally bearded within or for a greater distance without; apex 

 minutely capitate, stigmatiferous. Legume linear compressed con- 

 tinuous within, 2-valved. Seeds suborbicular exarillate ; funicle 

 short. — Trees or shrubs, tomentose or villous; leaves pari- or impari- 

 pinnate ; leaflets co, entire ; stipels rudimentary or ; stipules 

 setaceous ; flowers 5 in axillary racemes, each solitary in axil of a 

 small narrow very caducous bract {Hotter parts of America'). 



1 Plant. Thurber., in Mem. Atner. Acad., v. 5 Violet?. 



313, 328. — 15. II. Gen., 500, n. 111.— Tesola 6 Species about 10. Cat., Icon., t. 84 {Lathy- 



C. Muell., in Walp. Ann., iv. 479. rus) W„ Spec, iii. 1102.— Dese., Cat. Hort. 



2 " White or purplish." Par., ed. 1, 195 (Orobus).— H. B. K., Nov. ff< ». 

 8 Species 1. O. Tesota A. Gray, loc. cit. — ■ et Spec, vii. 2G8, t. 660 (Sesbania). — Gbiseb., 



Walp., Ann., iv. 587. Fl. Brit. W. Z»d.,183.— Benth., in Mart. Fl. 



4 In Ann. Sc Nat., ser. 1, iv. 92; Prodr., ii. Bras., Papil., 44. — Wale., Ann., iv. I'M 

 264.— Endl., Gen., n. 6549.— «. H., Gen., 501, 

 n. 115. 



