X^UBLICATIOIVS 



OF 



The New York Botanical Garden 



Journal of the New York Botanical Garden, monthly, illustrated, con- 

 laining notes, news and non-technical articles of general interest. Free to all mem- 

 bers of the Garden. Toothers, lo cents a copy; $i.oo a year. [Not offered in 

 exchange.] Vol. I, 1900, viii -f- 213 pp. Vol. II, 1901, viii + 204 pp. Vol. Ill, 

 1902, viii + 244 pp. Vol. IV, 1903, viii -j- 238 pp. 



Bulletin of the New York Botanical Garden, containing the annual reports 

 of the Director-in- Chief and other official documents, and technical articles embodying 

 the results of investigations carried out in the Garden. Free to all members of the 

 Garden; to others, $3.00 per volume. Vol. I, Nos. 1-5, 449 pp., 3 maps, and 12 

 plates, 1896-1900. Vol. II, Nos. 6-8, 518 pp., 30 plates, 1901-1903. Vol. Ill, 

 No. 9, 174 pp., 15 plates, 1903. 



Memoirs of the New York Botanical Garden. Price to members of the 

 Garden, $1.00 per volume. To others, $2.00. [Not offered in exchange.] 



Vol. I. An Annotated Catalogue of the Flora of Montana and the Yellowstone 

 Park, by Dr. Per Axel Rydberg, assistant curator of the museums. An arrangement 

 and critical discussion of the Pteridophytes and Phanerogams of the region with 

 notes from the author's field book and including descriptions of 163 new species. 

 ix -f- 492 pp. Roy. 8vo, with detailed map. 



Vol. II. The Influence of Light and Darkness upon Growth and Development, 

 by Dr. D. T. MacDougal, first assistant and director of the laboratories. An ac- 

 count of the author's extensive researches together with a general consideration of 

 the relation of light to plants. The principal morphological features are illustrated. 

 xvi -j- 320 pp. Roy. 8vo, with 176 figures. 



Contributions from the New York Botanical Garden. A series of tech- 

 nical papers written by students or members of the staff, and reprinted from journals 

 other than above. Price, 25 cents each. 



Vol. I. Inclusive of Nos. 1-25, vi -f- 400 pp. 35 figures in the text and 34 

 plates. ;S!S.oo. 



RECENT NUMBERS 25 CENTS EACH. 



No. 43. Some correlations of leaves, by Dr. Daniel Trembly MacDougal. 

 No. 44. Soil-temperatures and vegetation, by Dr. Daniel Trembly MacDougal. 

 No. 45. Studies in plant-hybrids, by Dr. William Austin Cannon. 

 No. 46. Some aspects of desert vegetation, by Dr. Daniel Trembly MacDougal. 

 No. 47. Anatomy and physiology of Baccharis genistelloides, by Miss Elsie M. 

 Kupfer. 



No. 48. Mutations in plants, by Dr. D. T. MacDougal. 



All subscriptions and remittances should be sent to 



New York Botanical Garden 



Bronx Park, New York City 



