250 NORTH AMERICAN FLORA [V0MJM8 24 



spreading, suborbicular, with two folds or callosities near the base. Wings with oblong fal- 

 cate blades. Keel-petals broad, strongly curved, obtuse, the long claws united. Stamens 

 diadelphous; anthers subequal. Ovary stipitate, many-ovuled; style incurved, long-bearded 

 along the upper margin, inflexed or spiral at the apex, the stigma inside the thickened apex. 

 Pod membranous, inflated. Seeds many, reniform, with a slender funicle. 



Type species, Colulea arborea L. 



1. Colutea arborea L. Sp. PI. 723. 1753. 



Colulea florida Salisb. Prodr. 337. 1796. 



A shrub, 2-4 m. high, much branched ; young branches grayish-strigose ; stipules triangular- 

 lanceolate, acuminate, 3-4 mm. long; leaves 7-10 cm. long; rachis strigose, grooved on the' 

 upper side; leaflets mostly 9, obovate, retuse at the apex, 1-3 cm. long, 7-18 mm. wide, 

 glabrous above, sparingly strigose beneath; racemes 5-8 cm. long; bracts oblong, 2 mm. long; 

 calyx strigose, the tube campanulate, 5 mm. long, the upper two lobes broadly triangular, 

 1.5 mm. long, the lower three deltoid, acute, 2 mm. long; corolla yellow, 1.5-2 cm. long; pod 

 inflated, ovoid, tapering at each end, 6-7 cm. long, 2.5-3.5 cm. broad; seeds brown, round- 

 reniform, 4 mm. long. 



Type locality: Austria. 



Distribution: Occasionally escaped from cultivation in the eastern states, from Massachusetts 

 and Minnesota southward, native of southern Europe. 



Illustrations: Hot. Mag. pi. SI; Sibth. Fl. Graeca pi. TOT; Guimp. Holzgew. pi. 133; Nouv. 

 Duham. 3: pi. 22; Fl. Deuts. ed. 5. pi. 2423; Thome, Fl. Dents, pi. 438; ed. 2: pi. 366A; Coste, Fl. 

 Fr. /. 9TS. 



31 COLUTIA Medic. Vorles. Churpf. Phys. 

 Ges. 2: 366. 1787. 



Sulherlandia R. Br. in Ait. Hort. Kew. ed. 2. 4: 327. 1812. Not Sulherlandia Gmel. 1791. 



Shrubs, with odd-pinnate leaves, many leaflets, minute deciduous stipules, and no stipels. 

 Flowers in axillary racemes, with small deciduous bracts and minute bractlets. Calyx-tube 

 campanulate; lobes short, subequal. acute, the upper two somewhat broader. Corolla scarlet, 

 rarely white. Banner spreading at the apex, shorter than the keel, obovate, short-clawed. 

 Wings about half as long, with semisagittate blades. Blades of the keel-petals obliquely 

 obovate, acute at the apex, semicordate at the base. Stamens diadelphous; anthers uniform. 

 Ovary stipitate, many-ovuled; style filiform, slightly incurved, bearded on the upper margin 

 and in front below the minute terminal stigma. Pod membranous, inflated, one-celled. Seeds 

 many, reniform, with a slender funicle. 



Type species, Colutea frutescens L. 



1 Colutia frutescens (L) Medic. Phil. Bot. 1: 210. 1789. 



Colutea frutescens L. Sp. PI. 723. 1753. 



Colutia amoena Medic. Vorl. Churpf. Phys. Ges. 2: 366. 1787. 



Colutia rubra Moenoh, Meth. 160. 1794. 



Colulea grandifiora Salisb. Prodr. 338. 1796. 



Sulherlandia frutescens B. Br. in Ait. Hort. Kcvv. ed. 2. 4: 327. 1812. 



A shrub; branches strigose-canescent; leaves 5-8 cm. long; stipules lanceolate, 3-4 mm. 

 long; leaflets 11-19, oblong to oval, rounded at each end, or retuse at the apex, 5-10 mm. 

 long, glabrate above, strigose-canescent beneath; racemes 3-6 cm. long; bracts lanceolate, 

 caducous; calyx strigose-canescent, the tube 4-10 mm. long, the lobes lanceolate, 3-6 mm. 

 long; corolla 2-3.5 cm. long; pod glabrous, the body 4-5 cm. long, 2-2.5 cm. wide, the stipe 

 somewhat exceeding the calyx. 



Type locality: Africa. 



Distribution: Hidalgo, Zacatecas, and Coalmila; escaped from cultivation and naturalized; 

 native of South Africa. 



Illustrations: Mill. Fig. PI. pi. 9'J; Bot. Mag. pi. 181. 



