490 Index to Recent Literature 



Durand, E. J. Studies in North American Discomycetes, L The 

 Genus Holwaya Sacc. Bull. Torr. Club, 28 : 349-355- P L 2{ 5- J 9 

 Je. 1 90 1. 



Fretz, C. D. Tulipa silvestris in the Flora of the United States. Tor- 

 reya, I : 82. Jl. 1901. 



Gilbert, B. D. A new Species of Asplenium. Fern Bull. 9 : 53, 54- 

 JL 1901. 



m A. Kamchatkanum. 



Gilbert, B. D. Working List of North American Pteridophytes north 

 of Mexico, together with Descriptions of a Number of Varieties not 

 heretofore published. 1-40. Utica. 1901. 



New varieties in Equuetum and Isoetes by A. A. Eaton, Osmunda by Grout, a 

 Athyrium, Nephr odium , and Polypodium by Gilbert. 



Greene, E. L. Some literary Aspects of American Botany. II. Cath. 

 Univ. Bulletin, 295-303. Jl. 1901. 



Griffiths, D. The North American Sordariaceae. Mem. Torr. Club, 



II : 1-134. //. i-ip and /. 1-6. 30 My. 1901. 



78 species described, 64 from actual cultures ; new species in Sordaria (5)> Pleurage 

 (13), Hypocopra (3), Delitschia (5), and Sporormia (7). 



Griggs, R. F. The Vernation of Salix. Ohio Nat. 1 : 124-126. Je. 

 . 1901. [Illust.] 



Halsted, B. D. Diembryony in Corn. Torreya, 1: 68, 69. Je. 1901- 



nd 



[Illust.] 



1. 



Hill, E. J. Lycopodium tristachyum. Torreya, I : 76, 77. Jl- I 9 < 



Hill, E. J. The -Rock Relations of the Walking-fern. Fern Bull. 9 : 

 55, 56. Jl. 1901. 



H[ooker], J. D. Cladrastis tinctoria. Curt. Bot. Mag. HI. 57 '■ P l 

 7767 ' Ap. 1 90 1. 



Native of western United States. 



- 



H[ooker], J. D. Wyethia mollis. Curt. Bot. Mag. III. 57 : P L 777 2 ' 

 My. 1 90 1. 



Native of California. 



H[ooker], J. D. Manettia bicolor. Curt. Bot. Mag. HI. 57 '• P l 

 7776. My. 1 90 1. 



Native of Brazil. 



Howe, M. A. Botanizing in Bermuda. Plant World, 4 ' io 3> io4 ' 

 //. 4—5. Je. 1 90 1. 



Howe, M. A. Observations on the algal Genera Acicularia and Aceta- 

 bulum. Bull. Torr. Club, 28 : 321-334. //. 24, 25. 19 J e - I 9° 1 ' 



