440 PHARMACEUTICAL BOTANY 
Yaar, 
SJ i Y 
f WI fae 
a 
Fic. 330.—Lycopodium clavatum L. A, portion of sporophyte plant showing 
habit (natural size); a, foliage leaf; 5, sporophyll, with kidney-shaped sporangium 
at base (magnified); c, d, ¢, spores viewed from different aspects (X 580); B 
prothallus of another species. When the sporophylls are mature, the spikes are 
cut and dried, and the spores separated by shaking. They are freed from debris by 
sieving through flour-sieves. (After Luerssen.) 
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