INDEX TO AMERICAN BOTANICAL LITERATURE 363 
Guillet, C. Relationship between the weather and plant growth: a 
comparative study of the last two springs. Ottawa Nat. 18: 40-54. 
6 My 1904. 
Harger, E. B. Some introduced plants of Connecticut. Rhodora 6: 
78. 6 Ap Igo04. 
Hariot, P. & Patouillard, N. Description de Champignons nouveaux 
de l’Herbier du Muséum. Bull. Soc. Myc. France, 20: 61-65. 30 
Ap 1904 
Includes two new American species: Calvatia Diguett, from California, and Zig- 
noella cubensis, from Cuba, 
Harris, J. A. A new theory of the origin of species. The Open 
urt, 18: 192-202. Ap 1904. 
With a Zortrait of H. de Vries, of whose mutation-theory it treats. 
Hemsley, W. B. Chloraea crispa. Curt. Bot. Mag. III. 60: p/ 
7955- 1 My 1904. 
Native of Chile. 
Hemsley, W. B. Dicentra chrysantha. Curt. Bot. Mag. III. 60: 7. 
y 1904 
Native of California. 
Hemsley, W.B. Marsdenia Imthurnii. Curt. Bot. Mag. Il. 60: 
Pl. 7953. 1 My 1904 
A new species; native of British Guiana. 
Hennings, P. Fungi fluminenses a cl. E. Ule collecti. Hedwigia, 
43: 78-95. 24 Mr 1904. ae 
Includes two new genera, Perisporiopsis and Balansiella, and 41 new species in 33 
genera. 
Hennings, P. Ueber die auf Hevea-arten bisher beobachteten parasit- 
ischen Pilze. Notizbl. Kénigl. Bot. Gart. Berlin, 4: 133-138. f/. 
I5 A 04 
Includes new species in Dothidella, Aposphaeria and Ophiobolus. 
Hieronymus, G. Selaginellarum species novae vel non satis oognitae. 
II. Selaginellae e subgenere (vel sectione) Heterophyllo. Continu- 
atio prima. Hedwigia, 43: 1-64. 29 F 1904; 65. 24 Mr 1904. 
Includes many Mexican, Central American and South American species, of which 
13 are described as new. 
Hill, E. J. Remarks on some fernworts of western New York. Fern 
Bull. 12: 18~20. [Mr] 1904. 
Kalbfleisch, A. S. Polystichum acrostichoides and some insects that 
infest it. Fern Bull. 12: 48-50. [My] 1904. 
