:28 Neue Litteratnr. 



Lndwig, F., Biologische Beobachtungen an Helleborus foetidus. (Oester- 



reichische botanische Zeitschrift. Jahrg. XLVIII. 1898. No. 8/9. p. 1 — 11.) 

 Ludwig', F., Zwei winterliche Thermometerpflauzen. („Mutter Erde." 1899. 



No. 17. p. 231—238. Mit 2 Abbildungen.) 

 Lutz, L.j Recberches sur la nutrition des veg^taux k l'acide de substances 



azotees de nature organique. (Annales des sciences naturelles. Botanique. 



Annee LXVIII. S^r. VIII. 1899. No. 1.) 

 Marchlewski, L., Zur Chemie des Chlorophylls. (Journal für praktische 



Chemie. 1899. p. 22.) 

 Potel, H.j Sobre a cafeina contida nas cascas do cafe. (Boletim do Institut© 



Agronomico do Estado de Säo Paulo em Campinas. Vol. IX. 1898. No. 9. 



p. 386—388.) 

 ßapp, R., Ueber alkoholische Gährung ohne Hefezellen. (Zeitschrift für 



Nahrungs- und Genussmittel. 1899. p. 122.) 

 Rosetti, E. G., Cynarase, das coagulirende Enzym der Cynara Cardunculus L. 



(Artischoke). (L'Orosi. XXI. 1898. p. 289—302. 

 ^wiecicki, V. V.j Die Bedeutung der Kieselsäure als Bestandtheil der Pflanzen 



und ihre Beziehungen zum Lagern des Getreides, 8". 45 pp. Halle 1898. 

 'VViesner, J., Ueber die Formen der Anpassung des Laubblattes an die Licht- 

 stärke. (Sep.-Abdr, aus Biologisches Centralblatt. Bd. XIX. 1899. No. 1.) 



8". 15 pp. Leipzig (Arthur Felix) 1899. 



Systematik und Pflanzengeographie: 



Benuett, Arthur, P.samma baltica Roem. and Schult. (The Journal of Botany 



British and foreign. Vol. XXXVIl. 1899. No. 435. p. 135.) 

 Bennett, Arthur, Sussex plants. (The Journal of Botany British and foreign. 



Vol. XXXVIL 1899. No. 435. p. 136.) 

 Bornniüller, J., Drei neue Arten aus dem östlichen Assyrien: Silene 



schizopetala, Asperula asterocephala, Stachys fragillima. (Bulletin de l'Herbier 



Boissier. Ann^e VIL 1899. No. 2. p. 114—119.) 

 Uritten, James, Lamium molle Ait, (The Journal of Botany British and 



foreign. Vol. XXXVIl. 1899. No. 435. p. 130-132.) 

 Britten, James, Note on Chinese plants. (The Journal of Botany British and 



foreign. Vol. XXXVIL 1899. No. 435. p. 135 — 136.) 

 Britten, James, Primula scotica Hook, (The Journal of Botany British and 



foreign. Vol. XXXVIl, 1899, No. 435. p. 136.) 

 Canby, Wm. M., A new Silphium. (The Botanical Gazette. Vol. XX VIL 1899. 



No. 2. p. 139 — 140.) 

 Cogniaux, Alfred, Une Orchidee nouvelle du Brasil. (Bulletin de l'Herbier 



Boissier. Ann^e VIL 1899. No. 2. p. 120.) 

 Cowles, Henry C, The ecological relations of the Vegetation on the sand 



dunes of Lake Michigan. Part I. Geographica! relations of the dune floras. 



(The Botanical Gazette. Vol. XXVII. 1899. No. 2. p. 92—117. With 



figure.s 1 — 26.) 

 Cratty, R, T., On the Jowa sedges. (Bulletin from the Laboratories of Natural 



History of the State University of Jowa. Vol. IV. 1899. No. 4.1 

 Crawshay, B. de, What constitutes Odontoglossum Wilckeanum. (The 



Gardeners Chroniele. Ser. III. Vol. XXV. 1899. No. 633. p. 82—83.) 

 Elliott, G. F. Scott, Limits to the ränge of plant-species. (Transactions of 



the Natural History Society of Glasgow. Vol. V. 1899. Part 2.) 

 Fedtschenko, Olga et Fedtschenko, Boris, Note sur quelques plantes de 



Boukharie. (Bulletin de l'Herbier Boissier. Ännöe VIL 1899. No. 2, p. 111 



— 113.) 



Finet, A., Note sur les Orchidees. (Bulletin de l'Herbier Boissier. Ann^e VII. 



1899. No. 2. p. 121 — 123. Planche III.) 

 Girod, Herborisation au Devez de-Kabou. [Suite.] (Bulletin de TAssociatou 



Franc^aise de Botanique. Ann^e IL 1899. No. 15. p. 57 — 60.) 

 Hart, H. C, Botanical excursions in Donegai, 1898. [Continued.] (The 



Journal of Botany British and foreign. Vol. XXXVIl. 1899. No. 435. p, 125 



— 130.) 



HodgSOn, W., Flora of Cumberland. Introd. on soils by J. G. Goodchild. 

 Map. Post 8°. 8X5V2. 398 pp. London (\V. Meals & Co.) 1899. 7 sh. 6 d. 



