Pflanzenkrankheiten. — Lichenes. - Pteridophyten. - Floristik etc. 297 



Sherbakoff, C. D., Buckeye rot oftomato fruit. (Phytopatho- 

 logy. VII. p. 119—129. f. 1—5. Apr. 1917.) 



Contains description, as new, of the causative fungus, Phytoph- 

 thora terrestris. Trelease. 



Smith, C. O., Sour rot oflemon in California. (Phytopatho- 

 logy. VII. p. 37-41. f. 1—2. Feb. 20, 1917.) 



Referring to Oospora citri- aurantii. Trelease. 



Stevens, F. L., Two Illinois rhubarb diseases. (Bull. N° 213, 

 Illinois Agr. Exper. Sta. p. 299-312. f. 1—19. Jan. 1919.) 



Referring to Phyllosticta Straminella and a Colletotrichum tenta- 

 tively referred to C. erumpens, — with tabulation of spore-measu- 

 rement of the falcate-spored species of Colletotrichum and Volutella. 



Trelease. 



Riddle, K. W., Some noteworthy lichens from Jamaica. 

 (Bull. Torrey Bot. Club. XLIV. p. 321—330. pl. 21. July 1917.) 



Contains as new: Buellia rinodinospora, Chiodecton cleiostictum , 

 Laurera megaspermum (Trypethelium Mont.), Ocellularia chionostoma 

 {Thelotrema Nyl.), Lopadium castaneum {Lecanora subfusca castanea 

 Mey. & Flot.), Megalospora sulphureorufa {Lecanora Nyl.), M. versi- 

 color dichroma {Lecidea dichroma Fee), M. versicolor livido-cincta 

 {Patellaria livido-cincta Muell. Arg.), M. versicolor major {Lecidea 

 versicolor major Wainio), M. sulphurata genuinä {Patellaria sulphu- 

 rata vigilans Muell. Arg.), M. sulphurata nigricans (P. vigilans ni- 

 gricans Muell. Arg.), and M. sulphurata megacarpa {Lecidea mega- 

 carpa Nyl.). Trelease. 



Rosendahl, H. V., A list of the Pteridophyta of Greenland 

 with their localities. (Meddelelser om Grönland. LVI. p. 208 — 

 220. 1918.) 



An enumeration of all the species of Pteridophyta with their 

 varieties and forms found in Greenland; to each form are added 

 a considerable number of localities, from which specimens arecon- 

 tained in the herbaria of Copenhagen and different collections in 

 Sweden. No descriptions or quotations of Synonyms are given. 



Carl Christensen. 



Ramalay, F., The role ofsedges in some Colorado plant 

 communities. (Amer. Journ. Bot. VI. p. 120—130. f. 2. March 

 1919.) 



A consideration of the part played by sedges, especially of the 

 genus Carex, in the various associations in all the life zones from 

 plains to alpine heights in northern Colorado. Most of the sedges 

 belong to early stages of succession and are not found in the cli- 

 max associations. Of the 44 species of Carex listed, 20 are classed 

 as hydrophytic, 9 as mesophytic and 15 as xerophytic. 



W. B. McDougall. 



Ramalay, F., Xerophytic grasslands at different altitu- 



