28 NORTH AMERICAN FLORA [Volume 24 



rounded or retuse at each end, thick, densely velutinous beneath, sparingly tomentose, becom- 

 ing glabrate and shining above; racemes in a peduncled panicle, 1-2 dm. long, tomentose; 

 calyx about 4 mm. long; lobes subulate-lanceolate, about 2 mm. long; banner purple, obovate, 

 3-4 mm. long; pod incurved on the back, 7-8 mm. long, 2-3 mm. wide, glabrous, conspicu- 

 ously glandular-dotted. 



Type locality : Arkansas. 



Distribution: Arkansas, Louisiana, and Texas. 



Illustrations: C. K. Schneid. Handb. Laubh./. 44, x; f. 45, x-y. 



4. Amorpha Schwerini C. K. Schneid. Handb. Laubh. 2: 69, 71. 

 1907. 



Amorpha densiflora F. Boynton; Small, Fl. SE. U. S. ed. 2. 1342. 1913. 



A much-branched shrub, about 2 m. high; branches finely puberulent; leaves 7-15 cm. 

 long, spreading; petioles 1 cm. long or less, as well as the rachis puberulent; leaflets 11-23, 

 oblong, elliptic, or ovate-oblong, 1-4 cm. long, 6-18 mm. wide, rounded at each end, soft, 

 villous and prominently veined beneath, puberulent above; racemes solitary or two together, 

 4-6 cm. long, dense, copiously pilose; calyx 4.5-5.5 mm. long, pilose; lobes subulate, longer 

 than the tube; banner obovate, 4 mm. long, purple; pod 5-5.5 mm. long, straight on the upper 

 edge, puberulent, minutely punctate. 



Type locality: Dunns Mountain. North Carolina. 

 Distribution: Piedmont region of North Carolina. 

 Illustrations: C. K. Schneid. Handb. Laubh. 2:f. 42, I, m; f. 44, a. 



5. Amorpha canescens (Nutt.; Fraser, Cat.; hyponym. 1813) 

 Pursh, Fl. Am. Sept. 467. 1814. 



Amorpha canescens leptoslachya Engelm.; A. Gray. Mem. Am. Acad. II. 4: 31; hyponym. 1849. 

 Amorpha canescens glabrala A. Gray, PI. Wright. 1: 49. 1852. 

 Amorpha canescens typica C. K. Schneid. Handb. Laubh. 2: 70. 1907. 



An undershrub, 3-10 dm. high; branches angled, densely villous-canescent ; leaves spread- 

 ing, curved, 5-12 cm. long; petioles very short, shorter than the width of the leaflets; rachis 

 densely villous; leaflets 15-35, crowded, oblong-lanceolate, elliptic, or oblong, nearly sessile, 

 7-20 mm. long, 4-10 mm. wide, villous-canescent on both sides, densely so beneath, rounded 

 at the base, acute to rounded and mucronate at the apex; racemes dense, short-peduncled, 

 clustered, 3-15 cm. long, the terminal one longest; rachis densely villous; flowers crowded, 

 very short-pedicelled; calyx 5 mm. long, villous; lobes all subulate-lanceolate, nearly equal, 

 2-2.5 mm. long; banner obovate-cuneate, somewhat truncate and sinuate at the apex, blue, 

 5 mm. long; pod 4 mm. long, 2 mm. broad, densely villous-canescent, straight on the back, the 

 beak ascending; seed solitary, 3 mm. long, oblong, brown, shining. [The last two synonyms 

 represent a form, less hairy and with more elongate inflorescence.] 



Type locality: Banks of the Missouri. 



Distribution: Michigan and Indiana to Arkansas, Texas, New Mexico, Saskatchewan, and 

 Manitoba. 



Illustrations: Britt. & Brown, 111. Fl. /. 2 103; ed. 2. /. 2506; C. K. Schneid. Handb. Laubh. 

 2: /. 42, c-g; f. 43, d-d"; Mathews, Field Book Am. Trees 275; Fl. Neb. 21: pi. 4; f. 15; Meehan's 

 Monthly 5: pi. 6; Bot. Mag. pi. 6618. 



6. Amorpha nana Nutt.; Fraser, Cat. 1813. 



Amorpha microphylla Pursh, Fl. Am. Sept. 466. 1814. 

 Amorpha punctata Raf. New Fl. 3: 14. 1838. 



A low shrub, rarely more than 1 m. high, glabrous or nearly so throughout; leaves numer- 

 ous, crowded, 3-10 cm. long; petioles 7-10 mm. long; leaflets 13-19, oval or oblong, rounded or 

 emarginate and mucronate at the apex, obtuse, rounded, or acute at the base, 5-12 mm. long, 

 3-5 mm. wide, glabrous, conspicuously punctate beneath; petiolules very short; racemes usually 

 solitary, dense, 5-10 cm. long; calyx glabrous, 3 mm. long; lobes lanceolate, acuminate, more 

 than half as long as the tube; banner purple, 4 mm. long, cuneate-obovate; pod 5 mm. long, 



