iv Contents 



Brittox, Elizabeth Gertrude. Bryological notes, II - - - 261 

 EvAxs, Alexander William. Hepaticae of Puerto Rico, V. Cera- 



tolejeunea (with plates 19 and 20) 



- 273 



Underwood, Lucien Marcus. A summary of Charles Wright' s 



explorations in Cuba (with a map) 



. o 



291 



Kauffmax, Calvin Henry. The genus Cortinarius ; a preliminary 



study (with seven figures) 



301 



Berry, Edward Wilder. A Ficus confused with Proteoides (with 



plate 21) 



^^1 



Latham, Marion Elizabeth, Stimulation of Sterigmatocystis by 



chloroform 



337 



Murrill, William Alphonso. The Polyporaceae of North America, 



XL A synopsis of the brown pileate species .... 353 



House, Homer Doliver. Further notes on the orchids of central 



New York 



373 



Piper, Charles Vaxcouver. The two eastern species of Melica - 383 

 Gruber, Calvin Luther. Crataegus in Berks County, Pennsylvania, 



- - - - - - Z^ 



III 



Caxxon, William Austin. On the transpiration of Fouquieria splen- 



dens (with seven figures) 



397 



Martin, Harriett Marie. Studies on the effect of some concentrated 



solutions on the osmotic activity of plants - - - - - 415 

 Schneider, Albert. Chroolepus aureus a lichen (with plate 22) - 431 

 Piper, Charles Vancouver. Poa gracillima Vasey and its allies - 435 

 Harper, Roland McMillan. Phytogeographical explorations in the 



coastal plain of Georgia in 1904 (with five figures) - - - 451 



Murrill^ William Alphoxso. The Polyporaceae of North Amer- 

 ica, XIL A synopsis of the w'hite and bright-colored pileate 

 species _-.-_---_._ ^5^ 



Mackenzie, Kenneth Kent. Onosmodium ----- 4C)5 



Cannon, William Austin. A new method of measuring the trans- 

 piration of plants in place (wnth five figures) - - - - 515 

 Harris. James Arthur. The fruit of Opuntia > - . - 531 

 Abrams, LeRoy. Studies on the flora of Southern California - - 537 

 Piper, Charles Vancouver. Agropyron tenerum and its allies - 543 

 CusHiViAN, Joseph Augustine. The desmid flora of Nantucket - 549 

 Howe, Marshall Avery. Phycological studies, H. New Chloro- 

 phyceae, new Rhodophyceae, and miscellaneous notes (with plates 



23-29) 



- 563 



Underwood, Lucien Marcus, The genus Alcicornium of Gaudi- 



chaud 



587 



Rydberg, Per Axel. Studies on the Rocky Mountain flora, XV - 597 

 OSTERHOUT, George E. New plants from Colorado - - - - 611 

 Hastings, George Tracy. Observations on the flora of central Chile 



615 



(with a figure) 



i 



