445, 
Stipules entire, 27. L. decaphyllus. 
Stipules incised or laciniate. . 
Flowers 3—3.5 cm. long, 16, L. splendens. 
Flowers 2.5-3 cm. long, 10. L, Alefeldi. 
Flowers purple, less than 2 cm. long. 
Calyx-teeth nearly as long as the tube, 17. L, violaceus. 
Calyx-teeth shorter than the tube. 
Leaflets coriaceous. 
Leaflets linear-lanceolate, 18. ZL. coriaceus. 
Leaflets ovate, oval or oblong, 19. L. parvifolius. 
Leaflets membranaceous. 
’ Leaflets 5-7 pairs, broad, . 20. L, venosus. 
Leaflets 2-4 pairs. 
Leaflets oblong or linear, 2-4 cm. long. 
Peduncle equaling or shorter than its leaf, . 
, 9, des myrtifolius. ; 
Peduncle much exceeding its leaf, 
ai. L. longipes. 
Leaflets aery linear, 4-12 cm. long, 
‘ 22. L. graminifolins. 
Erect or nearly so’; tendrils o or much reduced. be 
Flowers 2 or more, white or yellowish. 
Flowers about 1 cm. long; deadlets mostly 2 pairs (rarely 3), ze 
a3. DL. Arisonicus. : 
Flowers 2 cm. or more long. 
Leaflets narrowly lanceolate, much longer than wide, 
aa L. Cusichit. ‘ 
Leaflets oblong, lanceolate or obovate, 2~4 times as long a5 
Leaflets one or obovate; stipules minute, nee 
, 25. Z. obovatus. 2 
Leaflets oblong-lanceolate ; stipules nearly as large, 
26. La rigidus. — 
Flowers 2 or more, purple. 
Leaflets 3-7 pairs. 
Flowers 1.5-3 cm. long. 
Leaflets coriaceous. ; 
Leaflets 1-4 mm. wide. a7. L. ornatus. 
Leaflets 5-10 mm. wide. 28. L. decaphy! 
Leaflets membranaceous. _ 2g. L. Nutta 
Flowers 1-1.5 cm. long. BF ots be Oregonenst. 
Leaflets 1-2 pairs, gt L. pee " 
Single ‘flowered ; flowers purple; leaflets 4-5 pairs, 
32. i Ate © orre 
Plant densely silky-villous allover, _ eae 33. L- Mit 
= 1. Latuyrus PUSILLUS Ell. Bot. S. C. & Ga. a: 223 (1824) 
_ Fathyrus Engelmanii Bisch. Sem. Hort. Heidel (1839 
