17 



Rooms, which was fitted up for the purpose. Hereafter this 

 course will be given in one of the new Botanical Laboratories, 

 much to the relief of the other Laboratories, in which we have 

 been for several years placed awaiting the completion of our 

 new rooms. 



The course in research in Cryptogamic Botany, Nat. Hist. 12, 

 was taken by four students, two of whom received the degree of 

 Ph. D., and one the degree of S. B., in June, 1890. Of the former, 

 Mr. W. A. Setchell presented as a doctor's thesis a paper on the 

 " Structure of some Laminariaceas," which is to be printed soon. 

 Mr. Setchell also published during the year a paper, " Concern- 

 ing the Structure and Development of Tuomeya fluviatilis, Harv." 

 Mr. W. C. Sturgis presented for his doctor's thesis a paper on the 

 " Carpologic Structure and Development of the Collemacese and 

 allied Groups." The two last named papers appeared in the 

 Proceedings of the American Academy of Arts and Sciences. 

 The thesis presented by Mr. G. J. Pierce, on " Corticium Oakesii, 

 B. & C, and Michenera artocreus, B. & C," is soon to be pub- 

 lished. Mr. H. M. Richards also presented a paper entitled 

 " Notes on Zonaria variegata, Lamx.," which has already ap- 

 peared in the Proceedings of the American Academy of Arts 

 and Sciences. 



