Pulse Family 211 



ticulate except near the base; pod spirally coiled; 3-5 mm. 

 broad, unarmed, strongly reticulated, the reticulations extending 

 to the edge and appearing as a row of tubercles on either side of 

 the margin. 



Occasional in lawns, Los Angeles ; Pasadena. Native of Europe. 



4. M. orbicularis All. Much branched and spreading; leaves 

 obcordate, denticulate above; stipules laciniate; peduncles 1-2- 

 flowered ; pods coiled, unarmed, veiny, about 1 cm. broad. 



This species, a native of southern Europe, was collected in a field near 

 Santa Ana by Helen D. Geis in 1902. We are not aware that it has here- 

 tofore been reported from North America. 



5. M. lupulina L. More or less pilose-pubescent; stems 

 procumbent or ascending, 2-4 dm. long; leaflets broadly obovate, 

 denticulate above ; flowers in short spikes on slender peduncles, 

 yellow, scarcely 2 mm. long; legume 1-seeded, smooth, reniform, 

 the acuminate tip coiled. 



Glenn Ranch, Lytle Creek. Native of Europe. 



6. MEL.ILOTUS L. SWEET CLOVER. 



Erect annual or biennial herbs with pinnately 3-foli- 

 ate leaves, the leaflets serrulate. Stipules adnate. 

 Flowers small in slender pedunculate racemes. Petals 

 free from the diadelphous stamens, deciduous. Pod 

 ovoid, small, scarcely dehiscent, 1-2-seeded. 



1. M. Indica (L.) All. Annual; glabrous, erect, 3-20 dm. 

 high, branching; leaflets mostly cuneate-oblong, obtuse, dentic- 

 ulate, 2.5 cm. long or less; racemes many, bearing small, nearly 

 sessile, yellow flowers. 



Common in damp ground. Native of Europe. 



2. M. alba Lam. Annual; glabrous, erect, 6-20 dm. high, 

 branching; leaflets truncate; racemes many, elongated ; flowers 

 white, the standard exceeding the other petals. 



Habitat of the last and as generally distributed but much less common. 

 Native of Europe. 



7. TBIFOLIUM L. CLOVER. 



Annual or perennial herbs with palmately 3-foliate 

 leaves. Leaflets usually denticulate. Stipules adnate. 



