MICROSCOPIC STRUCTURE OF WEED SEEDS 



651 



Fig. 422. Microscopic structure of leguminous seeds (.Leguminosae) . 

 I. Silky Sophora CSophora sericea). II. Parosela (Dalea alopecuroides) . III. 



Common Vetch iVicia sativa). IV. Stemless Locoweed (,0'xytropls lam- 



herti). V.. Wild Llquoric.e (.GlycyrrMisa lepidota). 

 m=malplghlan cells. ll=light line. em=embryo. o=osteosclerid. p=parenchy- 



ma. al=aleurone layer. en=endosperm. en=endosperni reserve cellulose 



cells. tr=tracheae. 



(Drawings by L. H. Pammel.) 



