Part 1, 1919] FABACEAE: PSORALEAE 29 



straight on the back, 2.5 mm. broad, conspicuously glandular-punctate; seed oblong, 3 mm. 

 long, brown, shining. 



Type locality: Near Mandan. North Dakota. 



Distribution: Manitoba and Saskatchewan to Iowa and New Mexico. 



Illustrations: Britt. & Brown. 111. Fl. /. 2102; ed. 2. /. 2505; C. K. Schneid. Handb. Laubh. 

 2: /. 42, fc-fc 1 ; f. 43, a; Clements, Rocky Mt. Fl. pi. 29, f. 4; Mathews, Field Book Am. Trees 275. 



7. Amorpha glabra Desf. (Tabl. 192; hyponym. 1804); Pers. 

 Syn. PI. 2: 295. 1807. 



Amorpha montana F. Boynton, Biltmore Bot. Stud. 1: 138. 1902. 



A glabrous shrub, 1-2 m. high; branches rarely with a few short hairs; leaves 7-16 cm. 

 long, often spreading; petioles 2-3 cm. long; leaflets oval, elliptic, or elliptic-ovate, thin, gla- 

 brous on both sides, obtuse, rounded, or often emarginate at the apex, rounded or subcordate 

 at the base, 2-5 cm. long, 1-4 cm. broad; petiolules 2-3 mm. long; racemes usually clustered, 

 6-15 cm. long, glabrous; calyx about 3 mm. long, glabrous except the ciliate margins, which 

 are undulate-toothed, the lobes being very short and broad, obtuse, rounded, or acutish; 

 banner orbicular-spatulate, with a short claw, 7 mm. long, rich-purple; pod 7-8 mm. long, nearly 

 straight on the upper side, light-brown, with a few small glands; seeds elliptic, brown, 4 mm. 

 long. 



Type locality: North America. 



Distribution: North Carolina. Tennessee, Alabama, and Georgia. 



Illustrations: C. K. Schneid. Handb. Laubh. 2:/. 44, d; f. 45, a-b. 



8. Amorpha nitens F. Boynton, Biltmore Bot. Stud. 1: 139. 

 1902. 



A branching shrub, 1-3 m. high; branches chestnut-brown, glabrous; leaves 12-25 cm. 

 long, ascending; petioles 1-1.5 cm. long, as well as the rachis glabrous or nearly so; leaflets 

 7-19, thin, oblong-ovate or ovate, 2-6 cm. long, obtuse or rounded at both ends, reticulate, 

 sparingly pubescent on both sides or glabrate, dull and pale beneath, dark and glossy above; 

 petiolules about 1 mm. long; racemes usually solitary, 12-25 cm. long; pedicels 1-2 mm. long, 

 erect; calyx obconic, about 3 mm. long; upper two lobes rounded, 0.5 mm. long, the lower 

 three ovate, acute or obtuse, ciliate on the margins; pod 7 mm. long, narrow, curved, nearly 

 glandless, glabrous. 



Type locality: Waynesboro, Georgia. 

 Distribution: Georgia. 



9. Amorpha laevigata Nutt; T. & G. Fl. N. Am. 1: 306. 1838. 



Amorpha laevigata typica C. K. Schneid. Handb. Laubh. 2: 74. 1907. 



A glabrous shrub, 1-2 m. high; leaves 9-18 cm. long, ascending; petioles 1-2 cm. long; 

 leaflets 9-21, obovate to elliptic-oblong, 2-4 cm. long, 1.5-3 mm. wide, rounded or emarginate 

 at the apex, acute at the base, glabrous or essentially so, glandular-punctate and reticulate ; 

 petiolules 2-3 mm. long; racemes 1-3 together, 1.5-3 dm. long; pedicels 1-3 mm. long; calyx 

 glabrous or sparingly puberulent, 3 mm. long; lobes short, the upper two rounded, obtuse, 

 the lateral ones broadly triangular and acute, the lowermost lanceolate and pointed; banner 

 dark blue-purple, reniform, about 6 mm. long and fully as broad; pod about 5 mm. long, nearly 

 straight on the back, conspicuously glandular-dotted. 



Type locality: Banks of the Arkansas, near Salt River. 



Distribution: Arkansas. Oklahoma, and Texas. 



Illustrations: C. K. Schneid. Handb. Laubh. 2:/. 44, u; f. 45, u-w. 



10. Amorpha caroliniana Croom, Am. Jour. Sci. 25 : 74. 1833. 



Amorpha cyanostachva M. A. Curt. Bost. Jour. Nat. Hist. 1: 140. 1835. 



? Amorpha pumila Schlecht. Ind. Sem. Hort. Hal. 1848: 8. — Linnaea 24: 185. 1851. 



Amorpha fruticosa caroliniana S. Wats. Bibl. Ind. 188. 1878. 



Amorpha glabra F. Boynton; Small, Fl. SE. U. S. 626. 1903. Not A . glabra Desf . 1807. 



A nearly glabrous shrub, 1-2 m. high; branches glabrous or sparingly pilose; leaves 7-16 

 cm. long, ascending; petioles about 1 cm. long, as well as the rachis glabrous or nearly so; leaf- 



