126 Botanisches Centralblatt. 



Kryshtofovieh, A. 1918. On the cretaceous flora of russian Sakhalin. 



(Journ. Coli. Sc. imp. Univ. Tokyo. XL. 8. 73 pp. 15 f.) 

 Lacaita, C. C. 1918. Two critical plants of the Greek flora. (Journ. 



Linn. Soc. XLIV. p. 125—130.) 

 Lenström, C. 1S18. Calypso bulbosa (L.) Rchle. funnen i Jämtland. 



(Svensk bot. Tidskr. XII. p. 128.) [In Schweden war Calypso 



o 



bisher aus Lappland, Västerbotten und Angermanland bekannt; 



sie wurde auch für Jämtland festgestellt. — Grevillius (Kem- 

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 Leveille, H. 1917. Les Rubus de l'Argentine et du Chili. (Rev. chi- 



lena Hist. nat. XXI. p. 90-93.) 

 Mc. Atee, W. L. 1918. A sketch of the natural history of the district 



of Columbia together with an indexed edition of the U. S. Geol. 



Survey's 1917 map of Washington and vicinity. (Bull, ftioi, Soc. 



Washington. I. p. 1 — 142.) 

 Mc Kee, R. 1918. Glandulär pubescence in various Medicago species. 



(Journ. amer. Soc. X. p. 159 — 162.) 

 Medsger, 0. P. 1918. Two months in the southern Catskills. Mem. 



Torrey bot. Club. XVII. p. 294—300.) 

 Melvill, J. C. and W. B. Allen. 1917. Records of flowering plants and 



fungi in Shropshire for 1917. (Caradoc and Severn Valley Field 



Club. 1917. 27. p. 5—12.) 

 Merrill, E. D. 1918. New or noteworthy Philippine plants. XIII. 



(Philippine Journ. Sc. C. Bot. XIII. p. 1—66.) 

 Milispaugh, C. F. and E. E. Sherff. 1918. New species of Xanthium 



and Solidago. (Publ. Field Mus. nat. Hist. 199. bot. Ser. IV. 1. 



p. 1—7. 6 pl 

 Miyabe, K. and Y. Kudö. 1918. Materials for a flora of Hokkaido. 



VIII. (Trans. Sapporo nat. Hist. Soc. VII. p. 23—35.) 

 Moore, Sp. le M. 1918. Alabastra diversa. Part XXIX. (Journ. of 



Bot. LVI. p. 204-212, 225-233.) 

 Mosher, E. 1918. The grasses of Illinois. (Bull. 205, Illinois Agr. Exper. 



Sta. March 1918, p. 261—425, 286 f.) [Sixty-three genera, including 



204 species (of which over one-fifth are now recorded for the 



State for the first time) are accounted for. — Trelease.] 

 Murbeck, Sv. 1918. Ueber die Organisation und verwandschaft- 



lichen Beziehungen der Gattung Lepuropetalon. (Ark. för Bot. 



XV. 10. 12 pp. 3 A.) 

 Nichols, G. E. 1917. The interpretation and application of certain 



terms and concepts in the ecological Classification of plant commu- 



nities. (Plant World. XX. p. 305-319, 341-353.) 

 Tuzson, J. 1916. Az Arabis hirsuta (K.) Srop. alakjai [Die Formen 



der A. h ]. (Math, es Termt. Ertesitö. XXXIV. p. 412—430. ill.) 



XIX. Pflanzenchemie. 

 • Cf. XIV. Jacoby. 



Becker, J. 1918. Serologische Untersuchung von Kornrade in Mehl 

 und Kleie. (Cbl. Bakt. 2. XLVIII. p. 417-420.) 



Boas, F. und H. Leberle. 1918. Untersuchungen über Säurebildung 

 bei Pilzen und Hefen. I. (Biochem. Zschr. XC. p. 78—95.) 



Souvelot. 1918. Contribution a l'etude chimique du fruit de Camelia 

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Brüdorlein, J. 1917. Contribution ä l'etude de la panification et ä la 

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Curtius, T. und H. Franzen. 1918. Ueber die chemischen Bestand- 

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