302 NATURAL HISTORY OF PLANTS. 



141. Nissolia Jacq. 1 — Flowers nearly of Chcetocalyx, smaller; 

 calyx truncate; teeth 3, setaceous, nearly equal. Stamens 10, 

 2-adelphous (9-1) close to base; vexillary stamen connate at 

 middle with remainder into a tube. Germen subsessile ; ovules few ; 

 style slender, curved or sinuate ; apex minutely capitate or obtuse, 

 stigmatiferous. Legume linear, indehiscent ; segments flat or convex, 

 square or oblong, striated ; last segment dilated into a much com- 

 pressed, obliquely obovate, samaroid wing ; 2 seeds few reniform 

 exarillate. — Herbs or nndershrubs, twining ; leaves imparipinnate ; 

 leaflets few, exstipellate, setaceous ; flowers 3 racemose ; racemes 

 short, either axillary or branched crowded at extremities of 

 branches ; bracts narrow ; bractlets {Tropical and subtropical 

 America*). 



142 ? Ctenodon H. Bn. 5 — Receptacle minute concave, lined by 

 a thin disk. Calyx gamosepalous subcampanulate ; lobes 5, longer 

 than tube ; 2 superior broader than others ; lowest longer than 

 lateral ones, with a long point. Petals unguiculate ; standard 

 obovate, finally reflexed ; wings very oblique, 1-auriculate at base; 

 keel falcate beaked. Stamens 10, 1-adelphous ; filaments connate 

 into a tube rather oblique at apex and longitudinally cleft below ; 

 anthers uniform. Germen shortly stipitate ; ovules cc ; style fili- 

 form, slightly curved; apex scarcely dilated, stigmatiferous. Legume 

 stipitate ; segments co ; superior suture nearly straight or arched ; 

 inferior deeply sinuate. Seeds...? — A small undershrub, branched 

 from base ; leaves subimparipinnate ; leaflets sessile oblong, very 

 uneven at base, acuminate at apex ; midrib produced into a rather 

 sharp bristle ; rachis thickened into a subglobose rather pubescent 

 gland at insertion of each leaflet ; stipules long subulate ; flowers 

 in loose long-pedunculate axillary racemes ; pedicels slender ; bracts 



A. Gray & Toee., in Emor. Sep., t. 18. — Walp., to Nissolia, or the two genera should he united 



Ann., iv. 489. into one, the sections of which are scarcely well- 



1 Stirp. Amer., 199, t. 179, fig. 44 ; Sort. defined. The species of both ought therefore to be 

 Vindob., t. 167. — G^etn., Fruct., ii. 309, t. carefully examined. 



145.— DC, Prodr., ii. 257 (sect. 1).— Endl., 3 Yellow. 



Gen., n. 6629.— B. H., Gen., 513, n. 151 (nee 4 Species 2. H. B. K., Nov. Gen. et Spec, 



T., Inst., 656). vi. 504.— Deless., Icon. Set., iii. t. 68.— Hook., 



2 In Chcetocalyx Schotti and C. Wislizeni Icon. Plant., t. 599. — Bekth., in Mart. Fl. 

 Toee., figured in Unit. St. Mex. Bound., Pot., Bras., PapiL, 76, t. 19. — A. Geat, in Journ. 

 t. 18, the last segment is more or less dilated j Linn. Soc, v. 25. 



whence either these species ought to be referred 5 In Adansonia, ix. faso. 7. 



