Alaska. 



JSS 



8000 ga 



Setchell. 75258. Algae novae et 

 minus cognitae. 



Williams. 76260. Mnium flagellare 

 SuU. and Lesq. in North America. 



c)h Canada as a whole. 



Gussow. 71924a. 

 disease of fiuit trees. 



" Silver Leaf " 



gc Canadian Dominion West. 



Greene. 71830. Erigeroii segregates. 

 71835 : New lupines. 



Greenman. 71845. Some plants 

 of western America. 



Mackenzie. 73340. A new Carex 

 from Alberta. 



Murrill. 73794. The Agaricaccae 

 of the Pacific coast. 



Standley. 75478. Three new plants 

 from Alberta. 



Storm. 75551. The forests of North 

 America. (Danish.) 



gd Canadian Dominion East. 



Arber. 69813. Psygmophyllum 

 ma jus. sp. nov., from the lower car- 

 boniferous rocks of Newfoundland. 



Fernald. 71428. Early collection 

 of Salix halsamifera. 



and Wiegand. 71434. 



A blunt-spiked variety of Carex scopa- 

 ria. 71437 : A north-ea,stern variety of 

 Chelone glabra. 71438 : A new variety 

 of J uncus halticus. 



Fraser. 71552. Cultures of heteroe- 

 cious rusts. 



Klugh, 72676. The Algae of a 

 marshy pond. 12671 : Algae of the 

 Rideau, Ontario. 



Orton. 74052. Correlation between 

 Detain species of Puccinia and Uromyces. 



Peck. 74207. Report of the State 

 botanist 1910 [Ontario]. 



gf United States as a whole. 



Berry. 70121. Mesozoic flora of 

 the Atlantic coastal plain. Texas. 



Blake. 70199. The forms of Pel- 

 tandra virginica. 



Conklin. 70805. The Hepaticae 

 of the sixth edition of Gray's manual 

 compared with the exchange list. 



Darling. 70945. Key to the wild 

 and cultivated trees in autumn. 70946 : 

 The determination of woods. 



Fedde. 71403. Neue Arten aus der 

 Verwandtschaft der Corydalis aurea 

 Willd. von Nord-Amerika. 



Fernald. 71432. The inland variety 

 of Spiraea lomentosa. 



Greene. 71827. Aniennaria in the 

 middle west. 71829 : New species of 

 Trautvetteria. 71831 : Certain cruci- 

 ferous types. 



Harper. 72032. Diverse habitats 

 of the eastern red cedar and their 



interpretation. 



Holdt. 72281. Forstwissenschaft- 

 liches aus Nordamerika. 



Lloyd. 73153. The Geastrae. 



Lunell. 73309. New Laciniariae. 



Manns. 73401. Black-leg or Phoma 

 wilt of cabbage. A new trouble to the 

 United States caused by Phoma 

 oleracea Sacc. 



Negri. 73880. I Mais degli S. U. 

 d'America presentati alia Esposizione 

 intcrnazionale di Torino (1911). 



Peck. 74207. Report of State 

 botanist, 1911. 



Rand. 74550. A pecan leaf-blotch. 



SchafEner. 74974. Key to the 



fruits of the genera of trees of the 

 northern United States. 



Shear. 75271. Ascogenous form 

 of the fungus causing dead-arm of the 

 grape. 



Smith. 75359. Crown gall of 

 plants. 



Spaulding. 75418. Tree diseases 

 in the eeistern states. 



Steele. 75490. New or noteworthy 

 jilants from the eastern United States. 



Storm. 75551. The forests of North 

 America. (Danish.) 



Thaxter. 75657. New species of 

 Piickia and Trenomyces. 



gg North Eastern United States. 



Bissell and Fernald. 70188. A new 

 variety of Lespedeza capiiata. 



