430 



BOTAXICAL GAZETTE 



[jT^vE 



were unbranched. The female plants evidently attain practically 

 their maximum size before the carpogonial branches are initiated. 

 The average size of the female plants collected on April 12 was the 



Figs. 4. 5 . — Mature tetrasporic plants branched and unbranched shovring framing 

 out of thallus at apices of branches and main axis; X0.6. 



same as that of the mature cystocarpic plants collected in June. 

 Some of these plants collected in April bore only young carpogonial 

 branches, while others bore mature branches of this type and 



