278 Index to American botanical literature 



Bolley, H. L. Observations regarding the constancy of mutants, and 

 questions regarding the origin of disease resistance in plants. Am. 

 Nat. 42 : 171-183. [Ap] 1908. 



Brainerd, E. Viola chinensis in the Eastern United States. Rhodora 



10: 38-40. [Ap] 1908. 

 Britton, N. L. North American trees. i-x + 1-894. /. 1-781. 



New York. Ap 1908. 



Includes the trees found wild north of the West Indies and Mexico, describing new 

 species in Populus (2) Salix, Acer (2), Fraxintts (3), and Acacia, 



Britton, N. L. The genus Ernodea Swartz : a study of species and 

 races. Bull Torrey Club 35 : 203-208. 29 Ap 1908. 



Includes E. Millspaughii, E. Nashii, and E. Taylori, spp. nov. 



Britton, N. L. Wild Jamaica cotton. Science II. 27 : 665. 24 Ap 



1908. 



Campbell, D. H. Symbiosis is fern prothallia. Am. Nat. 42: 154- 

 165./. i-j. [Ap] 1908. 



Clute, W. N. A new fern. Am. Bot. 14: 8-10. [My] 1908. 

 [Illust.] 



Clute, W. N. Compass plant fruits. Am. Bot. 14: 3, 4- [ M > r ] 

 1908. [Illust.] 



Collins, J. F. Some mosses from Aroostook County, Maine. Rhodora 

 10: 37, 38. [Ap] 1908. 



Cook, M. T. The development of the embryo-sac and embryo of 

 Potamogeton lucens. Bull. Torrey Club 35 : 209-218. pi. p> l0 

 + f. a-f. 29 Ap 1908. 



Cook, 0. F. Note on Professor Britton's wild Jamaica cotton. Science 

 II. 27: 665, 666. 24 Ap 1908. 



Cushman, J. A. The New England species of Closterium. Bull. Tor- 

 rey Club 35 : 109-134. //. j-5. 20 Ap 1908. 



Includes C. Novae- Angliae, sp. nov. from Massachusetts. 



Dowell, P. New ferns described as hybrids in the genus 

 Bull. Torrey Club 35 : 135-140. 20 Ap 1908. 



Includes D. Clintoniana X intermedia, D. Goldiana X intermedia, D. Gohiiana 

 X marginalis, hybb. nov. 



Eaton, A. A. Nomenclatorial changes in Isoetes. Rhodora 10 : 4 2 - 



Dry opt 



[Ap] 



7 



, C- W. Two little known Myxosporiums. Ann. Myc 6: 

 /. iy 2. 31 Mr 1908. 



Includes M. corticolum and Al. longisporum spp. nov. 



