MICROSCOPIC STRUCTURE OF WEED SEEDS 



551 



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

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



Common Vetch (Vicia sativa) . IV. Stemless Locoweed (Oxytropis lam- 



berti). V. Wild Liquorice (Glycyrrhiza lepidota). 

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



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



cells. tr=tracheae. 



(Drawings by L,. H. Pammel.) 



