Index to recent Literature relating to American Botany 
Allen, C. E. The Early Stages of Spindle-formation in the Pollen- 
mother-cells of Zavix. Ann. Bot. 17: 281-312. f/. 7g, 15. Mr 
1903. 
Andrews, E. F. Botany All the Year Round. 1-302. f I-54}. 
New York. 1903. 
Bacon, A. E. An Experiment with the Fruit of Red Baneberry. 
Rhodora, 5: 77-79. 3 Mr 1903. 
Barbour, W. C. The Hepatics. Gamophyllous, 1: 25-27. fd. r. 
Ap Igot. 
Barbour, W. C. Hapauink <P omeen Bryologist, 6: 27-32. f. 1-6. 
Mr 1903. 
Barton, E.S. Sporangia of Ectocarpus breviarticulatus. Jour. Bot. 
30: 51. pL g10, f. 7, 867 4 FE 1901. 
Bennett, A. Notes on Potamogeton. Jour. Bot. 40: 145-149. 1 Ap 
1g02. 
Includes descriptions of two new American species, P. rectifolius and P. stri:tifolius. 
Bennetts, W. J. Additions to the Flora of Milwaukee County. Bull. 
Wis. Nat. Hist. Soc. II. 2: 39-44. Ja 1902. 
Bertrand, C. E. & Cornaille, F. Les caractéristiques de la trace 
foliaire marattienne et de la trace foliaire ophioglosséenne. Bull. 
Soc. Bot. France, 49: 87-93. 29 My 1902. 
Bertrand, C. E. & Cornaille, F. Les caractéristiques de la trace 
foliaire onocléenne et les principales modifications de cette trace. 
Bull. Soc. Bot. France, 49: 118-125. 29 My rgo2. 
Bioletti, F. T. & Twight, E. H. Erinose of the Vine. Calif. Agric. 
Exp. Sta. Bull. 136: 1-7. f. 7-g. N 1901. 
Blackman, F. F. & Tansley, A.G. A Revision of the Classification 
of the Green Algae. New Phytol. 1: 17-24. 23 Ja1go2; 47-48. 
19 F 1902; 67-72. 19 Mri1go2; 89-96. 19 Ap 1go2; 114-120. 
16 My 1902; 133-144. 25 Je 1902; 163-168. 24 Jl 1902; 
189-192. 30 O 1902; 213-220. 28 N 1902; 238-244. 23 D 
1902. 
Blackman, V. H. Observations on the Pyrocysteae. New Phytol. 1: 
178-188. pl. g. 300 1902. 
Britton, E.G. The European Species of Sematophyllum. Jour. Bot. 
40: 353-355. 1 O 1902. 
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