SOME NOVA SCOT! AN AQUATIC FUNGI. MOORE. 



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A. apic-ulata, the oogonial branches frequently branch, each 

 twig terminating in an oogonium. Rarely an intercalary 

 cylindrical oogonium has occurred in cultures. 



A. apiculata deBary (Figs. 10-13). Hyphse stout, at times 

 considerably exceeding 100/u, in diameter at the base and reaching 

 1.5 cm - in length. Zoosporangia generally very abundant, some- 

 what spindle shaped. Oogonia spherical or slightly ellipsoidal, 



terminal on lateral branches, racemosely arranged and usually 

 curved ; rarely intercalary ; commonly terminating in a short 

 apiculus. Walls smooth and unpitted. Oospores 1-10, generally 

 3-5 on an oogonium, large and dark-colored when young, 

 33-40/1 in diameter, centric. Antheridial branches arising as in 

 the last species, but frequently unbranched. Antheridia, several 

 to each oogonium, short clavate or almost ovate. 



This species appeared in a large number of cultures made 

 from materials collected at Mt. Thorn, Pictou county, and in 



