FABACEAE. 199 



straight keel; pod scarcely compressed, 2-3 cm. long, 10-20-seeded; 

 seeds obliquely oval, smooth. {Lotus salsuginosus Greene.) 



In moist places on the plains and in the canyons of the foothills. 

 March-May. 



9. H. rubella Nutt. Slender, prostrate, strigose-pubescent, or 

 nearly glabrous, not at all succulent; leaflets 6-10, linear-oblong, 

 mostly acutish; early peduncles shorter than the leaves, bractless, 

 1-flowered, the later bracted, 2-flowered; corolla usually reddish, 

 4-5 mm. long; pod straight or slightly curved at tip, less than 2 mm. 

 broad, 2.5 cm. long, 1-10-seeded; seeds quadrate, minutely granu- 

 late, 1 mm, long or usually less, light tawny. 



Common in sandy soil along the coast. March-April. 



10. H. strigosa Nutt. Strigose-pubescent, decumbent or pros- 

 trate; peduncles usually somewhat exceeding the leaves, 2-flowered 

 and 3-foliate-bracted; flowers 9-12 mm. long, yellow; pod pubescent, 

 slightly curved upward, 2-3 cm. long, 2.5 mm. broad; seeds quadrate, 

 more or less notched at both ends as well as at the hilum, rugose 

 and faintly tuberculate, mostly olive-green. 



Very common in open grassy places both on the plains and foot- 

 hills below 2000 feet. March-May. 



11. H. nudiflora Nutt. Strigose-pubescent, decumbent or 

 ascending; leaves shorter and broader than in the last; peduncles 

 exceeding the leaves, usually 2-flowered and 3-foliate-bracted; 

 flowers yellow, 8-10 mm. long, 3 mm. broad; seeds quadrate, seldom 

 notched except at hilum, 2 mm. broad, strongly mottled with black. 



Occasional in open stony places in the San Gabriel Mountains. 



12. H. grandiflora Benth. Perennial; erect, 3-10 dm. high or 

 more, slender, with few leaves and long internodes, nearly glabrous, 

 or somewhat silky-pubescent; leaflets 5-7 on an elongated rachis, 

 obovate to oblanceolate, 12-18 mm. long, acutish; peduncles slender, 

 elongated, small-bracted, 5-8-flowered; flowers 2 cm. long, deep 

 yellow, turning orange; calyx half as long; the subulate teeth nearly 

 equaling the tube; pod slender, elongated, glabrous. 



Rustic Canyon, near Santa Monica, Hasse. 



8. SYRMATIUM Vogel. 



Herbaceous or suffrutescent perennials with odd- 

 pinnate leaves. Flowers in sessile or pedunculate um- 

 bels, the umbels bracted or bractless. Closely related 

 to Hosackia, but the pods indehiscent, more or less 

 attenuate into the style, and often arcuate. This genus 

 was included under Lotus in the first edition. 



Umbels bracted. 



Calyx-teeth as long as the tube. 



Flowers less than 5 mm. long; pubescence 



tomentose. 1. S. heermanni. 



Flowers more than 5 mm. long; pubes- 

 cence silvery. 2. S. ornithopum. 



