LEGUMINOS #-PAPILIONACEZ. 265 
71. Olneya A. Gray.'—Calyx subcampanulate membranous ; lobes 
5, nearly equal, or 2 superior connate to a considerable height, im- 
bricated in estivation. Standard broadly orbicular, unguicu- 
late ; limb reflexed, furnished with 2 inflexed auriculate appendages 
and with 2 callosities within ; wings oblique free ; keel broad curved 
obtuse. Stamens 10, 2-adelphous (9-1); anthers uniform. Germen 
sessile o-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? in axillary racemes; bracts 
caducous (?) (California’). 
72. Coursetia DC.‘—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. Germen sessile «-ovulate; style rather rigid, at- 
base slightly dilated and hollow, then inflexed, 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 «, entire; stipels rudimentary or 0; stipules 
setaceous ; flowers’ in axillary racemes, each solitary in axil of a 
small narrow very caducous bract (Hotter parts of America’). 
1 Plant. Thurber., in Mem. Amer. Acad., v. 
313, 328.—B. H. Gen., 500, n. 111.—Tesota 
C. MuEtt., in Walp, Ann.,, iv. 479. 
2 « White or purplish.” 
3 Species 1. O. Tesota A. GRay, loc. cit.— 
Watp., Amn., iv. 587. : 
4 In Ann. Sc. Nat., sér. 1, iv. 92; Prodr., ti. 
264.—ENDL., Gen,, n, 6549.—B. H., Gen., 501, 
il. 115, 
5 Violet ?. 
§ Species about 10. Cav., Icon., t. 84 (Lathy- 
rus).—W., Spec., iii, 1102.—Dusr., Cat, Hort. 
Par., ed. 1, 195 (Orobus).—H. B. K., Nov. Gen. 
et Spec., vii. 268, t. 660 (Sesbania).—GRISEB., 
Fil. Brit. W. Ind. ,183.—Brntx., in Mart, Fl. 
Bras., Papil., 44.—Watp., Ann., iv, 491. 
