IV.] LATH YR us. 8? 



species of Vetch, there are two kinds of pods. One 

 of the ordinary form and habit («), the other {b) oval, 



Fig i-i.—Lnthyrus nmphicarpos. (After Sowerby.) 

 a, ordinary pods ; t, subterranean pods. 



pale, containing only two seeds borne on underground 

 stems, and produced by flowers which have no corolla. 

 Again, a species of the allied genus Lathyrus, 

 Fig. S3, L. amphicarpos, affords us another case of the 

 same phenomenon. 



