Neue Litteratur. 93 



Sprenger, C. 1905. La ciiltura delle Dahlie in Napoli. (Bull. Soc. toscana 



Ortic. Ser. 3. X. p. 163—166.) 

 Spring, S. N. 1905. The natural replacement of white pine on old fields 



in New England. (Bull. No. 63. Bureau Forestry, U. S. Dept. Agric. 



1905.) [An economic forestry paper, referring to Pinus Strobus. — 



T r e 1 e a s e.] 

 Sturm, J. 1905. Flora von Deutschland. Bd. IV. Orchideae, Helobiae, 



Amentaceae,, Urticiflorae, Santalinae^ Aristolochiales, Polygonaceae, 



von E. H. L. Krause. (Stuttgart, K. G. Lutz, 1905. 12". 256 pp. 



64 Tat. 45 Abb.) 

 Sturm, J. 1905. Flora von Deutschland. Bd. XIIL Aggregatae. 



1. Hälfte. Von E. H. L. Krause. (Stuttgart, K. G. Lutz, 1905. 12«. 



224 pp. 64 Taf 25 Abb.) 

 Terracciano, A. 190S. I banani da introdurre nelle nostre colture. (Boll. 



Orto bot. Palermo. IV. p. SO— SS.) 

 Terracciano, A. 1905. Revisione monografica delle Gagea della flora 



spagnola. (Boll. Soc. aragonensa Cienc. nat. IV. p. 187—253.) 

 Therese Prinzessin von Bayern. 1905. Auf einer Reise in Südamerika ge- 

 sammelte Pflanzen. (Beih. bot. Cbl. Abt. 2. XVIII. 3. p. 523-526.) 

 Toni, E. de 1905. Gli aggettivi geografici. (Ateneo Veneto. XXVIII. 2. 



46 pp.) 

 Vaccari, L. 1905. II Sempervivum Gaudini Christ e la sua distribuzione 



ne!Ie Alpi. (Ann. dl Bot. III. p. 21—41. 1 tav. col.) 

 Van Hook, Mary S. 1906. The Hop-Hornbeam or ironwood [Ostrya Vir- 



giniana]. (Plant World. IX. 1. p. 17—18.) 

 Vierhapper. 1906. Monographie der alpinen Erigeron-A.rten Europas 



und Vorderasiens. (Beih. botan. Centralbi. Abt. 2. XIX. 3. p. 385 



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 Wangerin, W. 1906. Die Umgrenzung und Gliederung der Familie der 



Cornaceae. (Diss. Halle-Wittenberg. 1906. 8". 92 pp. ill.) 

 Wegener. 1906. Ratschläge für den Anbau von Laub- und Nadelholz 



unter Berücksichtigung der Bodenverhältnisse. (Neudamm, J. Neumann, 



1906. 8«. 31 pp.) 

 Wein. 1906. Die Düngung der Obstbäume. (Natw. Zschr. Land- u. Forstw. 



IV. 3. p. 130—137.' 3 Taf.) 

 Wein. 1906. Die Düngung der Waldbäume. (Natw. Zschr. Land- und 



Forstw. IV. 3. p. 112—130. 7 Taf.) 

 Weiss, F. E. 1906. Sketches of Vegetation at home and abroad. IL 



Some aspects of the Vegetation of South Africa. Part II. Natal and 



the Transvaal. (N. Phytologist. V. 1/2. p. 1—9. 2 pl. and 3 text- 



figs.) 

 Wery, Josephine 1906. Voyage scientifique sur le litoral beige [suite], 



(Rev. Univ. Bruxelles. II. 4/5. p. 325—354.) 

 WesierJund, C. G. 1906. Bidrag tili Hälsinglands flora. (Bot. Not. 1906. 



1. 40 pp.) 

 Wetschky, M. 1905. Liparis Loeselii Rieh, in Bosnien. (Mag. bot. Lap. 



1905. 12.) 

 White, C. A. 1906. The Black Locust Tree and its Despoliation. (Po- 

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of the present supply and chances of propagating Robinia pseudacacia, 



with particular reference to insect attacks. — Trelease.] 

 Wildeman, E. de 1906. Etudes de systematique et de geographie 



botaniques sur la flore du Bas- et du Moyen-Congo. (Ann, Mus. 



Congo. Botanique. Ser. 5. I. 3. p. I-III et 213—346. pl. XLIV 



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 Wildeman, E. de 1905. Les Phanerogames des Terres Magellaniques. 



(Resultats du voyage du S. Y. Belgica en 1897-1898-1899. Botanique. 



4". 222 pp. 23 pls. Impr. J. E. Buschmann, Anvers.) 

 Wildeman, E. de 1905. Les phanerogames des Terres Magellaniques. 



(Rapp. sc. Exp. antarct. beige. Anvers. 1905. 4". 222 pp. 23 pl.) 

 Wilson, P. 1906. The American dragons-blood tree. (Journ. New York 



bot. Gard. VII. p. 39—41. f. 2.) [Referring to Dracaena Americana_, 



with habit Illustration of a young plant. — Trelease.] 



