612 INDEX TO RECENT LITERATURE 
Hansen, G. Lilium pardalinumand L. Humbolti. Gard. Chron. IIL. 
32: 36. 19 Jl. 1902. 
Harris, J. A. Normal and teratological Thorns of Gleditschia tria- 
canthos L. Trans. Acad. Sci. St. Louis, 11: 215-222. pl. 21-25. 
24 D. tgor. 
Harshberger, J. W. How Fungi gain Entrance to living Trees. 
Forest Leaves, 8: 88-91. D. 1gor. 
Heald, F. D. The Electrical Conductivity of Plant Juices. Bot. 
Gaz. 34: 81-92. f. 7-2. 21 Au. 1902. 
Heller, A.A. Nomina nuda. Muhlenbergia, 1: 24-26. 9 Au. 1901. 
Heller, A. A. Four southwestern Plants. Muhlenbergia, 1: 27—-29- 
- g Au. Igor. 
New species in Draba, Petalostemon and Vernonia. 
Heller, A. A. Some Inaccuracies—I. Muhlenbergia, 1: 30. 9 AU. 
Igol. 
Hennings, P. Fungi S. Paulenses. I. a Cl. Puttemans collecti. Hed- 
wigia, 41: 104-118. f. a, 6, c. 23 Je. 1902. 
_ New species in Puccinia (3), Uredo (4), Dimerosporium, Asterina (2), Aster 
idium (3), Lycosphaerella (2), Phylladron (4), Dothidella, Auerswaldia, Ps seudo- 
Sraphis, Cocconia ? Puttemansia (gen. nov.), Phyllosticta (3), Ascochyta, phe”) Opstsy 
Diplodia (2), Pseudo-melasmia (gen. nov.), Pestalozzia (3), Tetracrium (gen. 
nov,), Periconia, Helminthosporium, Cercospora (4), Macrosporium, and Epicoccum. 
Hennings, P. Fungi Costaricenses. I. a Cl. Dr. H. Pittier Mis. 
Hedwigia (Beiblatt), 41: (100)-(105). 23 Je. 1902. 
New species in Uromyces, Uredo, Corticium, Pleosphaerulina, Phyllachora (2), 
Tophrina, Aschersonia, Hainesia, and Triposporium. 
Hillman, FH. The Seeds of Rescue Grass and Chess. Bull. U- > 
Dept. Agric. (Plant Industry), 25: 1-4. f 7-3. 1902. 
Hoffmann, R. Virulence of the wild Parsnip. Rhodora, 4: 188 S. 
1902. 
H{ooker], J.D. Begonia angularis. Curt. Bot. Mag. III. 50: 
7842. 1 Ji. 1go2. 
Native of Brazil. 
Hfooker], J. D. Heterotoma lobelioides. Curt. Bot. Mag. Ul. 58: 
FJ. 7849. 1 Au. 1902. 
Native of Mexico and Guatemala. 
8: 
H[ooker], J.D. Gelsemium sempervirens. Curt. Bot. Mag. IIL. 5 
J. 7851. 1 Au. 1902. 
Native of the southern United States. 
