440 The Botanical Gazette. [October, 
Fig. 6. An empty antheridium and an oogonium which has been en- 
tered by ce antherozoids. 
ig. 7. oogonium in which fertilization has taken place; below 
ita Subenaradereld from which the zoospores are just ready to escape. 
Monoblepharis fasciculata Thaxter. 
Fig. 8. Group of fertile hyphz with oogonia at their tips. 
pei 9. 2 nopened oogonium and ‘Setherdines below which a branch 
is for 
Fig. 16. "@onsnian with et oospore. 
ig. 11. Oogonium and zo osporangium from which a few a 
have escaped: the sporangium terminated by an antheridiu 
ig. 12. A similar specimen in which three zoospores sth re remain in 
the oogonium together with a large residual oil m 
“x Nore —Figures 1 7% 8 are drawn with Zeiss obj. A, oc. 4. The re- 
mainder with obj. D, oc 
