194 
NATURAL HISTORY OF PLANTS. 
slightly compressed from within outwards, and on its hinder face is 
a longitudinal surface covered with fine hairs. The ovary generally 
contains only two ovules. 
Pisum sativum (Common Pea). 
Fra. 147. 
Fruit. 
Fra. 143. 
Floriferous branch (3), 
Lathyrus' is also scarcely distinct from Vicia. The sheath formed 
by the staminal filaments is horizontally, not obliquely, truncate 
at the apex, and the style becomes broadly flattened from before 
17, Inst., 394, t. 216, 217.—L., Gen, a. 
ise. Prod, ie 369. — ENDL. Gen,, n. 
6582.—B. H., Gen., 526, n. 186.— Clymenum 
T., op. cit., t. 218.—Ochrus T., op. cit., 396, t. 
219, 220.—Aphaca T., op. cit., 399, t. a 
Nissolia T., op. cit. Append., t. 656 (nee a 
Orobus L., Gen., 871.—DC., Prodr., ii. 3 
ENDL., Gen., n.6583.—Cicerella Muncy, Meth., 
163.—Astrophia Nurt.,in Torr. and Gr. Fl. 
N. Amer., i. 278.—A. Gray, in Suckl. and 
Coop. Nat. Hist. Wash., 54, t. 6.—Platystylis 
Sweet, Brit. Fl. Gard., t. 239.—Anurus E. 
Mery., Preuss. Pfl. Gatt., 258.—ALEFELD (in 
Bonplandia [1861], 126, 139), making the 
genus Lathyrus also into a subtribe (Lathy- 
rosea) divides that into several genera 3—Lathy- 
