104 The Botanical Gazette. [Marh, 
m 
view at present, that the embryo-sac is a macrospore and its contents@ 
7 or 8-celled prothallium, is not without objection; not a small one 
vanced the view that the eight nuclei correspond to two 4-celled pro 
thallia. Gustav Mann, however, in the eg oy. Bot. Soe. of Edin- 
burgh (June, 1891), who has been ,investigating the whole subject %& 
