PUBLICATIONS 
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The New York Botanical Garden 
f the New York Botanical Garden, moe ihe con- 
taining Sera news and non-technical articles of general interest. ‘o all mem- 
bers of the Garden. To others, 10 cents a copy; $1.00 a year. TNot offered in 
exchange.] Vol. I, 1900, viii-+ 213 pp. Vol. II, 1901, viii 204 pp. Vol. III, 
1902, viii + 244 pp. 
Bulletin of the New York Botanical Garden, containing the annual bodving 
of the Ditectorin.Chiet and other official documents, and 
the results of investigations carried out B ae Garden. Free to eo members of th 
Garden; to ethos, 5. oo per volume. , Nos. 1-5, 449 pp., 3 maps, and 3 
piates, 1896-1900. Vol. II, Nos. 6-8, ae ae 30 plates, eee 1903. 
Memoirs of the apie! ee Botanical Garden. Price to members of the 
Garden, $1.00 per volum To others, $2.00. [Not t offered i in exchange. ] 
Vol. I. An An cata Catalogue bes Peo Bras a a pene Be the Yellowstone 
Park, by Dr. Per Axel Rydberg, assistai An arrangement 
and critical discussion oe ee a eridophytes oa Praneaeeee of the region with 
notes from the author’s d including descriptions of 163 new species. 
ix + 492 
92 pp-_ Roy. Bios or eile map. 
I. The Influence of Light and Darkness upon Growth and Der 
ee ae D. T. MacDougal, first assistant and director of the Seg NE 
of the author’s extensive researches together with a general consider: ae of 
the SG of light to plants. The Bae morphological fence are illustrated. 
vi-+ 320 pp. Roy. 8vo, with 176 figu 
Contributions from the New York Botanical Garden. A series of tech- 
nical pees written by students or members of the staff, and reprinted from journals 
other than above. rice, 25 cents e 
Vol, I. tka of Nos anes vi i + 400 pp. 35 figures in the text and 34 
sie $5.c 
CURRENT NUMBERS 25 CENTS EACH. 
No. 33. Studies in the Asclepiadaceze, by Miss A, M. Vail. 
No The genus Ried/a ae rece of new iy from a America 
and the oe anary Islands, by Dr. M. A. Howe and Prof, L. M. Under 
No. 35. The ae abe of North America.— III. The genus oo by Dr. 
W. A. Murrill. 
No. 36. Studies on the Rocky Mountain Flora.—X, by Dr. P. A. Rydberg. 
No. 37. Some Generic Segregations, by Dr. Per Axel Rydberg. 
No. 38. The Polyporacese of North America—IV. ‘The genus Z/fvingia, by 
Dr. W. A, Murrill. 
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