Pulse Family 207 



racemes, verticillate or scattered. Calyx deeply bilabiate ; 

 upper lip notched ; lower entire or sometimes 3-toothed 

 or 3-cleft. Standard broad, the sides reflexed ; wings 

 united above, enclosing the incurved beaked keel: Sta- 

 mens monadelphous, dimorphous ; 5 anthers oblong, 

 basifixed, the other 5 rounded, versatile. Stigma bearded. 

 Pod 2-valved, compressed, straight. 



* Ovules several in each pod. 



*- Annuals. 



** Flowers not verticillate. 



1. L. truncatus Nutt. Usually rather stout, sparingly 

 branched, 3-6 dm. high, finely and sparsely pubescent, becoming 

 nearly glabrous; leaflets 5-7, linear-cuneiform, apex truncate, 

 entire or 3-toothed, 2-4 cm. long, scarcely equaling the petiole; 

 upper calyx-lip 2-cleft; petals deep purple, 8-10 mm. long; the 

 standard shorter; keel 2-3 mm. long. 



Common in the open foothills and valleys. March-May. 



2. Ii. sparsiflorus Benth. Slender, sparingly branched, 3-6 

 dm. high, villous with spreading hairs; leaflets 5-9, linear, obtuse 

 at apex, 1-2.5 cm. long; petioles 2-4 times longer; upper calyx- 

 lip 2-parted; petals violet, 10 mm. long; standard shorter; keel 

 ciliate on the claws and on the lower % of the blade ; pod 1-2.5 

 cm. long. 



Frequent in the foothills. March-May. 



3. L. hirsutissimus Benth. Eather stout, 2-3 dm. high, very 

 hispid with viscid stinging hairs; leaflets 5-7, broadly cuneate- 

 obovate, retuse, obtuse, or rarely acute, mucronulate, 1.5-3 cm. 

 long; petioles twice as long; racemes loose; upper calyx-lip 

 deeply cleft; petals reddish purple, nearly equal, 12 mm. long; 

 keel ciliate on the claw only ; pod hirsute, 2.5 crn. long. 



Frequent in the foothills and interior valleys, mostly in sandy soil. 

 March-May. 



4. L. concinnus Agardh. Low 10-15 cm. high, spreading, 

 densely villous or hirsute; leaflets 5-8, oblanceolate, 10-20 mm. 

 long, obtuse ; petioles slender, 2-4 times longer ; racemes short, 

 dense, subsessile; bracts linear-setaceous persistent; upper 

 calyx-lip 2-parted, lower deeply trifid ; petals 8 mm. long, violet; 



