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umal of the New York Botanical Garden, cesar illustrated, con- 
taining notes, news and non-technical articles of general oes Free to all mem- 
bers of the Garden. To others, ro cents a copy; $1.0 year. {Not offered in 
exchange.] Vol. I, 1900, viii-+ 213 pp. Vol. II, oor, a ere pp. Vol. III, 
1902, viii + 244 pp. 
Bulletin of the New York Botanical Garden, alee the annual | reports 
of the Director-in- Chief and other official documents, and te 
the results of investigations carried out c e ge fe . ai 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, ee -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 
rk, by Dr. Per Axel Rydberg, assistant curator of the museums. An arrangement 
and critical discussion of the Pteridophytes and Phanerogams of the region with 
otes from the author’s field book and including descriptions of 163 new species. 
. oy. 8vo, with d map. 
Vol. Il. The Influence of Light and Darkness upon Growth and aa ea 
r. D. T. MacDougal, first assistant ies director of eo ree ipoliner An a 
nt of the author’s extensive researches together with a ral consideration af 
te relation of light to plants. The principal morphological fans are illustrated. 
xvi -+ 320 pp. Roy. 8vo, with 176 figu 
Contributions from the New York Botanical Garden. A series of tech- 
nical papers written en sadent or members of the staff, and reprinted from journals 
other than above. 25 cents eac 
Jol. 1. Tnclusive “ot Nos 1-25, vi + 400 pp. 35 figures in the text and 34 
plates. $5.0 
CURRENT NUMBERS 25 CENTS EACH. 
No. Me The Polyporaceze of North America—IV. The genus Eanes, by 
Dr. W. A, Murrill. 
No 39. A preliminary enumeration of the grasses of Porto Rico, by George V. 
Nash. 
No, The phyllodes of Oxyfolis fliformis, a swamp xerophyte, by Miss Rosina 
J. Renne 
e Polyporaceae of North America.—V. The genera Cryftoporus, 
Piri ee and Porodiscus, by Dr. W. A. Murrill. 
No. 42. A revision of the family Fouquieraceae, by George V. Nash. 
No. 43. Some correlations of leaves, by Dr. Daniel Trembly MacDougal. 
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