SPECIES AND VARIETIES. 223 



obtuse, 3-6 pairs, the tendrils simple or branched ; peduncles 

 slender, with 1-7 small pale bluish flowers ; calyx- teeth 

 much shorter than the standard ; pod flat, containing 4, some- 

 times 5-6 seeds. Smooth Tare. Fields, hedges, and waste 

 places. Fl. June to August. 



V. hirsuta : annual ; stems hairy, slender, 1-3 feet long, 

 often climbing, the tendrils branched ; stipules small, narrow, 

 often divided ; leaflets small, oblong, 6-8 pairs ; peduncles 

 slender, with very few, usually 2-3, insignificant, pale blue 

 flowers, the calyx-teeth almost as long as the standard ; pod 

 flat, hairy, containing two seeds. Hairy Tare. Hedges, 

 cornfields, and waste places. Fl. June to August. [See also 

 p. 51.] 



* 



(77) Lathyrus. PEA OR VETCHLING. 



* Leafstalks without real leaflets. 

 t Flowers red. 



L. Nissolia : annual ; stems erect, glabrous, branching 

 from the base, about one foot high ; leaves reduced to linear, 

 grass-like, flattened leafstalks ending in a fine point, without 

 leaflets or stipules ; peduncles long, bearing one rarely two 

 small pale red flowers; pod long, narrow, and straight. Grass 

 Vetch. Bushy places and stony pastures. Fl. June. 



ft Flowers yellow. 



L. Aphaca : annual ; stems weak, branching, glabrous, about 

 one foot long ; leaves reduced to slender branched tendrils be- 

 tween the pairs of large broadly heart-shaped or sagittate 

 stipules, which appear like simple opposite leaves ; peduncles 

 long and slender, with one or rarely two small yellow flowers; 

 pod flattened, glabrous. Cultivated places, occasionally. Fl. 

 June to August. 



