i 





: 



VOL 35 APRIL, 1908 HO. 4 



BULLETIN 



OF THE 



TORREY BOTANICAL CLUB 



€&itor 



MARSHALL AVERY HOWE 



ft&tociate <£fcitor£ 



John Hendley Barnhart Tracy Elliot Hazen 



Jean Broadhurst William Alphonso Murrill 



Philip Dowell Charles Louis Pollard 



Alexander William Evans Herbert Maule Richards 



CONTENTS 



Hepaticae of Puerto Rico IX. Brachiolejeunea, Ptychocoleus, Archile- 



jeonea, Leucolejeunea, and Anoplolejeunea. (Plates 6-8.) 



ALEXANDER WILLIAM EVANS "M 



The ferns and flowering plants of Nantucket - II. . EUGENE P. BICKNELL i8t 

 The genus Ernodea Swartz : a study of species and races. 



NATHANIEL LORD BRITTON . .' .203 



The development of the embryo-sac and embryo of Potamogeton Incens. 



(Plates 9 and 10) MELVILLE THURSTON COOK «* 



INDEX TO AMERICAN BOTANICAL LITERATURE. «9 



PUBLISHED FOB THE CLUB 



THE NEW ERA MINTING COMRANT 



LANCASTER. PA. 





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