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Le Botaniste. VII ser. 3—4 fasc. Directeur M. P. A. Dangeard, Prof. 
Univ. Poitiers. 1900. 8°. 418. 
Programme d’un essai sur la reproduetion sexuelle. Par P. A. Dangeard. 
Sep. Poitiers. 1900. 8°. 6 8. 
Bulletin de la Station agronomique de l’Etat a Gembloux. 1899 u. 1900. 
No. 66, 67, 68. Directeur Prof. A. Petermann, Bruxelles. 8°, 
Lutte contre les parasites. Rapports preliminaires. VI. Congres inter- 
national d’agriculture, VII sect. t. I. Paris, Masson et Cie. 1900. 
Collection de la Station Experimentale pour lY’Industrie Sueriere dans 
l’Ouest de Java ä Kagok-Tegal. Expos. Univ. Paris 1900. 8°. 58 S. 
I. Les parasites vegetaux de la Cakhetie. II. Fungi parasitiei trans- 
caucasiei novi aut minus cogniti. auct. N. Speschnew. Russisch. 
80, 65, 14 8. 
Sur la pluralit& de l’espece dans le groseillier a grappes eultive. Par 
M. Edouard de Janczewski. Rep. Compt. rend. Fevr. 1900. 4°, 38. 
Some Common Florida Seales. By H.A. Gossard. Florida Agric. Exp. 
St. Bull. 51. 1900. 8°. 20 S. m. Textfig. 
Some miscellaneous results of the work of the division of entomology. 
IV. Prep. Direct. L.O. Howard. U. S. Depart. Agric. div. entomology. 
Bull. 22. Washington 1900. 8°. 109 S. m. Textfig. 
A fruit-disease survey of the Hudson valley in 1899. By F. C Stewart 
and F. H. Blodgett. N.-Y. Agric. Exp. St. Bull. 197 Geneva N.-Y. 
Dez. 1899. 8°. 34 S. m. 'Textfig. u. Taf. 
Studies on subterranean organs. By A.S. Hitchcock. Transact. Acad. 
scieuce of St. Louis. vol. X No. 4. April 1900. 8°. 118. 
A Severe Sleet-storm. By Herrmann von Schrenk. Rep. Trans. Acad. 
sciences St. Louis. X. No. 5. 8°. 7 S. m. 2 Taf. 
Notes on Arceuthobium pusillum. H. v. Schrenk. Shaw School of 
Botany. Rep. „Rhodora“ 1900. 8°. 5 S. m. 1 Taf. 
A parasite upon carnation rust. Frederick H. Blodgett. N.-Y. Agric. 
Exp. Stat. Bull. 175. April 1900. 8°. 6 S. m. 3 Taf. 
A Fragrant „Mycoderma‘ Yeast, Saccharomyces anomalus (Hansen). By 
B. T. P. Bakker, B. A. Cambridge. Sond. Annals of Botany XIV. 
June 1900. 8°. 29 S. m. Doppeltafel. 
An Inguiry into the Cause and Nature of Crown-Gall. By J. W. Toumay. 
Arizona Agric. Exp. Stat. Bull. 33. April 1900. Washington. 8°. 648. 
m. Textabb. 
Stigmonose: a disease of carnations and other pinks. By Albert F. Woods, 
Assistant chief. Div. of vegetable phys. a. pathol. Bull. 19. Washington 
1900, °3%,720584m. 3. Taf. 
Tea blights. By John C. Willis, Director, Roy. Bot. Gard. Peradeniya 1899. 
Royal Bot. Gardens, Ceylon. Circular I. No. 16. 8°. 7 S. 
Tea-mites, and some suggested experimental work against them. By Ernest 
Green, Gouv. Entomologist. Roy. Bot. Gardens, Ceylon. Cireular I. 
N0,17.. 1900.780,24033: 
Curing and fermentation of eigar leaf tobacco. By Oscar Loew. Dep. 
Agric. Rep. No. 59. Washington 1899. 8°, 34 S. 
