Index to American botanical literature 545 



ick, J. Fungi austro-americani fasc. Ill u. IV. Ann. Myc. 4: 

 309-312. 1 Au 1906. 



Includes 6 new species in as many genera : only one with diagnosis. 



Tubular ray-flowers in Gaillardia arista ta. Torreya 



Robbins, W. W. 



6 : 190, 191. /. 7-j. 27 S 1906. 



Rose, J. N. New names for two recently described genera of plants. 

 Proc. Biol. Soc. Wash. 19 : 96. 4 Je 1906. 



Harperella, for Harferia Rose, not Fitzgerald ; Neodonnellia, for Domietlia Clarke, 

 not Austin. 



Rosendahl, C. 0. Observations on plant distribution in Renfrew dis- 

 trict of Vancouver Island. Postelsia 1906 : 1-132. //. 7-77. 1906. 



Sargent, C. S. & Peck, C. H. Species of Crataegus found within 

 twenty miles of Albany. N. Y. State Mus. Bull. 105 : 44-47. Au 

 1906. 



Nineteen species are described as new. 



Seward, A. C. & Ford, S. 0. The Araucarieae, recent and extinct. 

 Phil. Trans. Roy. Soc. Lond. B 98 : 505-411. //. 23, 24 +/. 1-28. 

 27 Je 1906. 



Shantz, H, L. A study of the vegetation of the Mesa region east of 

 Pike's Peak : the Bouteloua formation, II. Development of the 

 formation. Bot. Gaz. 42 : 179-207. /. 8-13. 2 O 1906. 



Slosson, M. How ferns grow, i-vii. 1-156. //. 1-43 +/. i-p. New 

 York, 1906. 



Smith, R. E. & E. H. A new fungus of economic importance. Bot. 

 Gaz. 42 : 215-221. /. 7-j. 2 O 1906. 



Pythiacystis citrophthora gen. et sp. no v. 



Sprague, T. A. £ ig/wm aceae americanae novae. Bull. Herb. Boissier 

 II. 6: 371-376. 30 Ap 1906. 



Descriptions of 9 new species in 4 genera. 



Stephani, F. Species Hepaticarum, vol. II. Index. Bull. Herb. 



Boissier II. 6 : 59-77. 4 J a i9° 6 - 

 Stephani, F. Species Hepaticarum. Bull. Herb. Boissier II. 6 : 217- 



232. 28 F 1906; 377-39 2 - Zoh^i()o6', 535-55°- 3° J e I 9° 6 - 



Includes 8 new American species in 4 genera. 



Sydow, H. & P. Novae Fungorum species. Ann. Myc. 4 : 343-345- 

 1 Au 1906. 



Includes 6 new American species in as many genera ; one is the type of Botryoconis 

 gen. nov. 



