Neue Litteratur. 41 



Britton, N. L. 1918. Flora of Bermuda. (New York, Ch. Scribner's 



Sons. 1918. 8^*. XI, 585 pp. ill.) 

 Britton, N. L. 1918. The botany and plant oroducts of northern 



South America. (Journ. New York bot. Gard. XIX. p. 182—185.) 

 Brown, F. B. H. 1917. Flora of a Wayne County salt marsh. (Annual 



Rep. Michigan Ac. Sc. XIX. p. 219.) 

 Coker, W. C. 1918. A visit to South Island. (Journ. Elisha Mitch. sc, 



Soc. XXXIV. p. 150—153. pl. 10—16.) 

 Dahms, P. 1917. Botanisch Zoologisches von der Heimfahrt aus Spanien 



im Jahre 1914. (Ber. westpreuss. bot.-zool. Ver. XXXIX.p. 107—113.) 

 Daley, C. 1918. Excursion to Bendigo. (Victorian Nat. XXX\^ 



p. 107—110.) 

 Dammer, ü. 1918. Eine neue Liliacee, Tricyrtis parviflora, aus Japan. 



(Rep. Spec. nov. XV. p 367—368.) 

 Dammer, ü. 1918. Neue Arten von Lachemilla aus Mittel- und Süd- 

 amerika. (Rep. Spec, nov. XV. p. 362—365.) 

 Dammer, ü. 1918. Zwei neue Solanaceen, lochroma (Euiochroma) 



Weberbaueri und Cacabus multiflorus aus Peru. (Rep. Spec. nov. 



XV. p. 366—367.) 

 Davidson, A. 1918. Additions to the local flora. (Bull. S. California 



Ac. Sc. XVII. p. 57.) 

 Davidson, A. 1918. Lupinus mollisifolius spec. nov. (Bull. S. California 



Ac. Sc. XVII. p. 57.) 

 Davidson, A. 1918. Lupinus Paynei spec. nov. (Bull. S. California 



Ac. Sc. XVII. p. 58—59. ill.) 

 Dinter, K. 1918. Index der aus Deutsch-Süd westafrika bis zum Jahre 



1917 bekannt gewordenen Pflanzenarten. IL (Rep. Spec. nov. XV. 



p. 340—355. Forts, folgt.) 

 Fernald, M. L. 1918. Solidago racemosa Greene, forma leucantha n. f. 



(Rhodora. XX. p. 172.) 

 Fernald, M. L. 1918. Some allies of Rynchospora macrostachva. 



(Rhodora. XX. p. 138—140.) 

 Fernald, M. L. 1918. The diagnostic characters of Vallisneria ameri- 



cana. (Rhodora. XX. p. 108—110.) 

 Fernald, M. L. 1918. The North American Littorella. (Rhodora. XX. 



p. 61 — 62.) [The American plant is distinguished under the name 



L. americana. — Trelease.] 

 Fernald, M. L. 1918. The specific identity of Bidens hyperborea and 



B. colpophila. (Rhodora. XX. p. 146-150.) 

 Fernald, M. L. 1918. The validity of Oxalis americana, (Rhodora. XX. 



p. 76—78.) [The new Oxalis americana f, shodantha is described. — 



Trelease.] 

 Freuchen, P. 1918. Om plantekost hos Smith-Sund Eskimoerne. 



(Geogr. Tidskr. VIII. p. 306—310.) 

 Frödin, J. 1918. Ueber das Verhältnis zwischen Vegetation und 



Erdfliessen in den alpinen Regionen des schwedischen Lappland. 



(Lunds Univ. Ärsskr. N. F. 2. XIV. 2. 24, p, 1-32. 9 F. 4 T.) 

 Gates, R. R. 1918. A new evening primrose. Oenothera Novae-Scotiae. 



(Proc. and Trans. Nova Scotian Inst. Sc. Halifax, Nova Scotia. 



XIV. p. 141 — 145. 2 pl.) 

 Gertz, 0. 1918. Christopher Rostii Herbarium vivum i Lund. Studie 



tili Herbariernas äldsta historia. (Lund, 1918. 4^. 12 pp.) 

 Greenman, J. M. and N. E. Pfeiffer. 1918. A new Selaginella [S. LandiiJ 



from Mexico. (Ann. Missouri bot, Gard, V. p, 205—210. 2 pl.) 

 Griggs, R. F. 1918. Scientific results of the Katmai expeditions of the 



