iv Contents 



Seaver, Fred Jay. Color variation in some of the fungi - 307 



Durand, Elias J. The development of the sexual organs and sporo- 



gonium of Marchantia polymorpha (with plates 21-25) - 321 



Britton, Nathaniel Lord. Studies of the West Indian plants — I. - 337 

 Harper, Roland M. Some native weeds and their probable origin - - 347 

 Wilson, Guy West. Studies in North American Peronosporales — III. 



New or noteworthy species 



361 



Evans, Alexander WnxiAM. New West Indian Lejeuneae (with 

 plates 26-28) - - - - - - - - - - -371 



Murrill, William Alphonso. Additional Philippine Polyporaceae - 391 

 Brooks, Charles. The Fruit Spot of apples (with plates 29-35) - - 423 

 Rydberg, Per Axel. Notes on Philotria Raf. ----- 457 



Bicknell, Eugene P. The ferns and flowering plants of Nantucket - 471 

 Kern, Frank D. Studies in the genus Gymnosporangium - 499 



Murrill, William A. The Boleti of the Frost herbarium (with plates 



36-40) 



517 



Slaver, Fred J. Some North Dakota Hypocreales - - - - 527 



Rydberg, Per Axel. Notes on Rosaceae— I. - - - - - - 535 



Wilson, Guy West. Studies in North American Peronosporales— IV. 



Host index 



543 



Britton, Nathaniel Lord. Studies of West Indian plants— II. - - 561 

 Humphreys, Edwin W. An analogy between the development of the 



plates of crinoids and the leaves of Sassafras - - - - 571 



Seaver, Fred J. North Dakota slime-moulds 577 



Ramaley, Francis, and Dodds, G. S. Two imperfectly known species 



of Crataegus --------.__ 581 



Resolutions adopted by the Torrey Botanical Club and other 



SCIENTIFIC ORGANIZATIONS IN RELATION TO THE DEATH OF LUCIEN 



Marcus Underwood ------_ 



4i 



Index to American botanical literature (1904-1907) ... 585 



Index to American botanical literature (1907) - - - - 45, 315 

 Index to American botanical literature (1908) 



91, 151, 219, 277, 367, 417, 467, 5i3, 555 



