FMULLCA 



. -Branch of Russian thistle, showing appearance before flowering and before the spiny 



branchlets have elongated ; a, spines, enlarged ; b, young grain with the covering 



removed, enlarged about seven times: e, lilosM.m removed from the axil and viewed 



from below, enlarged about four times: <l. section of fruiting calyx, side view; e, same, 



Q frin above. (From U. S. Dept. of Agriculture.) 



