164 FABACEAE. 



3 narrow lobes, exceeded by the upper lip. Corolla red, yellow, or white: 

 standard with a broad blade with incurved basal auricles and a slender claw: 

 other petals very long-clawed, the blades of the wings wider than those of the 

 keel-petals. 



1, A. Vulneraria L. Plants 1-5 dm. tall, loosely pubescent: leaflets 5-11, or 

 fewer, unequal, the terminal and adjacent ones large, 1.5-5 cm. long, the lower 

 ones narrower, all obtuse or acutish: flower-clusters globular or depressed, 

 2.5-3.5 cm. in diameter: calyx 11-14 mm. long, pubescent; lateral lobes of the 

 lower lip ovate, broader than the middle one : corolla yellow or crimson ; 

 standard about 1.5 cm. long, the blade orbicular-ovate, shorter than the claw: 

 pod with a filiform stipe, the body 4.5-5.5 mm. long. — S. Bare, in fields nenr 

 Wakefield. Nat. of Eu. Introduced with alfalfa seed. — Sum. — Lady's- 



FINGERS. 



9. LOTUS [Tourn.] L. Herbs with diffusely spreading branches. Leaf- 

 lets 3 : blades broad or relatively so, entire. Stipules often conspicuous. 

 Flower-clusters long-peduncled. Calyx obscurely 2-lipped: lobes slightly un- 

 equal, long and narrow. Corolla yellow or reddish : standard with a broad 

 blade and a broad rather long claw: other petals slender-clawed, the blades of 

 the wings prominently auricled: keel-petals strongly curved, very broad. 



1. L. corniculatus L. Plants perennial, with several or many decumbent or 

 ascending branches, 1-6 dm. long, finely pubescent, sometimes becoming gla- 

 brous: leaflets 3; blades obovate to oblong, 6-17 mm. long, obtuse or abruptly 

 pointed: flower-clusters long-peduncled: calyx 8-9 mm. long; lobes subulate, 

 the larger ones as long as the tube or nearly so: corolla bright-yellow, or 

 partially reddish; standard 11-13 mm. long, the blade suborbicular : pods 

 2-2.5 cm. long, the body narrowly linear, with a slender subulate beak. — S. 

 Bare, in fields near Wakefield. Nat. of Eu. Introduced with alfalfa seed. — 

 Sum. — Bird 's-foot trefoil. 



10. CRACCA L. Perennial long-rooted herbs or woody plants. Leaflets 

 several or many, thick. Flowers in racemes or spike-like panicles. Calyx 

 somewhat 2-lipped, the 2 upper lobes usually shorter than the others and 

 partially united. Corolla pink, purple, or red, or white: standard pubescent: 

 wings auricled on one side at the base of the blade : keel-petals usually with 

 an angular auricle. Ovary sessile. Pods flat or flattish. — Hoary-pea. 



1. C. virginiana L. Stems 3-6 dm. tall, loosely pubescent: leaflets 11-21; 

 blades of the lateral ones 10-30 mm. long, oblong to elliptic; rachis mostly 

 villous: calyx 9.5-10.5 mm. long; lobes with very slender tips, the upper ones 

 much longer than the tube: corolla cream-colored, and tinged with purple or 

 pink: standard and wings 19-24 mm. long: pods 3-5 cm. long. — N. S. 

 Eather common, on dry banks. Sandstones and shales, schists. — Sum. — 

 Cat-gut. Goat 's-rue. 



11. ROBINIA L. Shrubs or trees, often with stipular spines. Leaflets 

 several, thin. Flowers racemose. Calyx markedly 2-lipped, the 2 upper 

 lobes wholly or partially united. Corolla pink or purplish, or white: standard 

 glabrous: blades of the wings auricled on one or both sides: keel-petals with 

 a rounded auricle at the base of the blade. Ovary stipitate. Pods flat, some- 

 times bristly or prickly. — Locust. 



1. R. Pseudacacia L. Tree becoming 35 m. tall, with furrowed bark: stipules 

 spine-like on vigorous shoots: leaflets 9-19; blades thin, elliptic to ovate, 

 2.5-4.5 mm. long: racemes drooping: lateral lobes of the calyx triangular: 

 claws of the keel-petals about i as long as the blades: pods 5-10 cm. long. — 



