INDEX TO AMERICAN BOTANICAL LITERATURE iia 
Matthew, G. F. A backward step in palaeobotany. Trans. Roy. Soc. 
Canada, II. 7‘: 113-122. gor. 
Miller, F. G. & Pammel, L. H. A study of the germination and 
growth of Leguminosae, especially with reference to small and large 
seed. Proc. Soc. Prom. Agric. Sci. 22: 133-159. pl. 1-5. 1901. 
Also reprinted as Iowa Agric. Exp. Sta. Bull. 62: 155-177. f/. r-5. D 1901. 
Moore, G.T. The contamination of public water supplies by algae. 
Yearbook U. S. Dept. Agric. 1902: 175-186. f/. 78, 19. 1903. 
Nelson, E. A revision of certain species of plants of the genus 47- 
tennaria. Proc. U. S. Nat. Mus. 23: 697~713. 4 Je 1901. 
Contains descriptions of several new species and subspecies. 
Nelson, E. W. The agaves, a remarkable group of useful plants. 
Yearbook U. S. Dept. Agric. 1902: 313-320. ~/. 39-76. 1903. 
Olsson-Seffer, P. Examination of organic remains in postglacial de- 
posits. Am. Nat. 37: 785-797. f. z, 2. D 1903. 
Pammel, L. H. Some changed conditions of our flora incident to the 
settlement of the state [Iowa]. Proc. Soc. Prom. Agric. Sci. 22: 
1O7—-8E2. YOOT. 
Pammel, L. H. Some ecological notes on the vegetation of the Uin- 
tah mountains. Proc. Iowa Acad. Sci. 10: 57-68. p/. 15-22. 1903. 
Parish, S. B. A few new or rare Southern California plants. Bull. 
So. Cal. Acad. Sci. 2: 81-83. 6 O 1903. [Illust.]. 
Includes description of Da/ea Saundersii sp. nov. 
Perrédés, P. E. F. The anatomy of the stem of Derris uligtnosa 
Benth., an eastern fish poison. Proc. Am. Pharm. Assoc. 50: 321I- 
331. pl. 1-9. 1902. 
Plowman, A. B. Electromotive force in plants. Am. Jour. Sci. IV. 
15: 94-104. F 1903. 
Pollock, J. B. The relation of the fibro-vascular bundles in the root 
and hypocotyl in Zchinocystis lobata Torr. & Gray. Rep. Mich. 
Acad. Sci. 3: 40-42. f.1-g. 1902. 
Reed, H.S. The ecology of a glacial lake. Rep. Mich. Acad. Sci. 
3: 43-45. 1902. 
Rolfe, R. A. Diacrium indivisum. Orchid Rev. 11: 187. Je 1903. 
Rolfe, R. A. Epidendrum Chioneum. Orchid Rev. 11: 35. F 1903. 
Rolfe, R. A. The genus Campylocentrum. Orchid Rev. 11: 245- 
247. Au 1903; 278. S 1903. 
