Neue Litteratur. 249 



Safford, W. E. 1912. Notes of a naturalist afloat. II. (Amer. Fern 

 Journ. II. p. 1 — 12. pl. 1). [This is the second instalment of a se- 

 ries previously noted. The present notes deal mainly with the 

 Florida Keys and include mention of the ferns observed there. — 

 Maxon.] 



Safford, W. E. 1912. Notes of a naturalist afloat. III. (Amer. Fern 

 Journ. II. p. 33 — 46. 2 pl.) [This is the third article in the series 

 and deals with Porto Rico, with especial mention of the pterido- 

 phyta of that island. — Maxon.] 



Sharp, L. W. 1912. Spermatogenesis in Equisetum. (Bot. Gaz. LIV. 

 p. 89—119. 2 pl.) 



Winslow, E. J. 1911. Lycopodium flabelliforme. (Amer. Fern Journ. 

 I. p. 141—143.) [This form, usually known as Lycopodium compla- 

 natum var. flabelliforme, having recently been raised to specific 

 rank by Blanchard, the writer presents the results of his obser- 

 vations in Vermont and concludes that it represents a valid spe- 

 cies. — Maxon.] 



XVIII. Floristik, Geographie und Systematik der Phanerogamen. 



Cf. V. Saunders. 



Aleksjejew, P. 1912. Die Eiche an der Nordgrenze ihres Wachs- 

 tums. (St. Petersburg 1912. 8°. 37 pp. Russisch.) 

 Anonymus. 1912. Kiefern auf der Weide von Ilfmgen. (Schweiz. 



Zschr. Forstw. LXIII. p. 193 — 195. 1 T.) 

 Bissell, C. H. and M. L. Fernald. 1912. A new variety of Lespe- 



deza capitata. (Rhodora XIV. p. 91 — 92.) [The authors charactize 



the following new variety: Lespedeza capitata var. stenophylla. — 



J. M. Greenman.] 

 Buehtien, O. 1911. Herbarium Bolivianum. Cent. I. (Leipzig, Th. O. 



Weigel. 1911.) 

 Dahl, O. 1912. Botaniske Undersökelser i Helgoland. (Vid. Selsk. 



Skr. Kristiania. 1912. 8°. 221 pp.) 

 Fernald, M. L. 1912. Viola renifolia and V. Brainerdii (Rhodora. 



XIV. p. 86 — 88. [The author presents a discussion of the two spe- 



cies mentioned and makes the new combination Viola renifolia 



var. Brainerdii (Greene) Fern. — J. M. Greenman.] 

 Gagnepain, F. 1912. Caesalpiniees nouvelles. II. (Not. Syst. II. p. 



235—237.) 

 Gagnepain, L. 1912. Sur le Budleia curviflora. (Not. Syst. II. p. 



213—214.) 

 Ganzoni, Z. 1911. Die Waldungen der Oberengadins. (Schweiz. Zschr. 



Forstw. LXII. p. 40-44 und p. 77—81. 2 f.) 

 Gharsi y Vila. 1912. Catalogo"de las plantas que crecen en Cadiz 



y sa Provincia. (Actes Ille Congr. int. Bot. Bruxelles. IL p. 161 — 183.) 

 Gilbert, E. G. 1912. Notes on Rubi suberecti. (Journ. of Bot. L. p. 



280—283.) 

 Gilg, E. und G. Schellenberg. 1912. Myrsinaceae africanae. IL (Bot. 



Jahrb. XL VIII. p. 512—525.) 

 Göppner, A. und M. Baruch. 1911. Flora von Dahl. (Ber. natw. 



Ver. Bielefeld. 1909/10. p. 23—51.) 

 Gräbner, P. 1912. Alismataceae africanae. (Bot. Jahrb. XLVIII. p. 402.) 

 Gräbner, P. 1912. Die Bedrohung unserer Pflanzenwelt. (Natw. 



Wschr. N. F. XL p. 425—427.) 

 Gräbner, P. 1912. Die Entwicklung der deutschen Flora. (Leipzig, 



K. Voigtländer. 1912. V, 148 pp. 37 A. Preis: M. 2.—.) 

 Gräbner, P. 1912. Juncus Oehleri. (Bot. Jahrb. XLVIII. p. 506.) 



