Periodical Literature. 
xv 
Journal of Mycology. Vol. IV. 
Ellis and Everhart : Additions to Ramularia and Cercaspora. 
and Halsted : New Iowa fungi. 
and Everhart : New species of fungi from various localities. 
Morgan : The genus Geaster. 
De Toni : Revision of the genus Doassansia. 
Rau : A Lichen new to the United States. 
Tracy and Galloway: New Western Uredineae . 
Forster : Agarics of the United States, genus Panus. 
Ellis and Kellerman : New Kansas Fungi. 
Swingle : Notes on Fungi from Western Kansas. 
Tracy and Galloway : Notes on Western Erysipheae and Peronosporeae . 
Pammel : Some Mildews of Illinois. 
Ellis and Everhart : Synopsis of the North American species of 
Hy poxy Ion and Nummular ia. 
: New species of Fungi from various localities. 
Journal of Science, American. Vol. XXXV. 
Dana : Asa Gray. 
Goodale : Recent contributions to our knowledge of the vegetable 
cell. 
Journal of Trenton Natural History Society. Vol. I. 
No. 3. Stowell : Notes on the Flora. 
Memoirs of the Boston Society of Natural History. Vol. IV. 
No. 4. Trelease : North American Geraniaceae . 
„ 6. Thaxter : The E 7 ito 77 iophthoreae of the United States. 
Naturalist, American. Vol. XXII (1888). 
Bessey : Tumble-weed again ( Corisper 77 ium hyssopifolium. L.) 
: The grass-flora of the Nebraska plains. 
Haaker : The germination of dodder. 
Coulter : Evolution in the Plant-Kingdom. 
Beal : The rootstocks of Leersia and Muhle 7 iburgia. (Illustrated). 
Bessey : Effect of ice upon trees. 
Proceedings of the Academy of Natural Sciences of Philadelphia 
( 'continued ) . 
1887, 
Part 3. Meehan : Contributions to the life-histories of plants. 
: The origin of the grassy prairies. 
Wilson : On the relation of Sarraceyiia purpurea to S. variola 7 ‘is. 
Rothrock : Mimicry among plants. 
Rusby : Lecture on Cincho 7 ia. 
Proceedings of the American Academy of Arts and Sciences. Vol. XXIII. 
( continued ). 
Gray : Notes upon some Polypetalous Genera and Orders. 
Watson : Some new species of plants of the United States with re- 
visions of Lesquerella , and of the North American species of 
Draba. Some new species of Mexican Plants, chiefly of Mr. 
C. G. Pringle’s collection in the Mountains of Chihuahua in 
1887. Description of some plants of Guatemala. 
