Periodical Literature. 
XXIX 
Gazette, The Botanical ( continued ). 
No. 10. Ross : On the Structure and Development of the Lemon (with Plate). 
„ — - Coulter: Pithecolobium Texense , Coulter. 
„ — Bailey : Protective resemblance in Cassia. 
„ — Schneck : Poisoning by Euphorbia marginata. 
„ n. Stephan i : Hepaticae Africanae novae in insulis Bourbon, Maurice et 
Madagascar lectae. 
„ — Eycleshymer : Celloidin Imbedding in Plant Histology. 
„ — - Thomas : The Collodion Method in Botany. 
„ — Swezey : Simple device for illustrating hydrotropism. 
„ *— Halsted : Collections of Weeds. 
„ 12. Rex: Notes on the development of Tubulina cylindrica and allied 
species of Myxomycetes. 
,, — Halsted : Notes upon Peronosporeae for 1890. 
,, — MacMillan : Notes on some Phanerogams of Central Minnesota. 
„ — Galloway : Note on the nomenclature of Uncinula spiralis , B. & C. 
„ — Britton : On priority of place in biological nomenclature. 
„ — Holm : Mounting plants. 
Insect Life. Vol. III. No. 4. 
Osborn : On the use of contagious diseases in contending with injurious 
insects. 
Journal, American Monthly Microscopical. Vol. XI. Nos. 1-9. 
Peticolas : Fossil marine Diatom deposit from Artesian wells at 
Atlantic City. 
Terry s A search for Diatoms in Boston Harbour. 
Tolman : Microscopic study of Woods. (Illustrated.) 
Bolley Note on the Wheat Rust. 
Mell : A microscopic study of the Cotton Plant. 
Cole : Preparation of microscopical sections from barks and roots. 
Reyburn : Life-history of micro-organisms with relation to the theory of 
evolution. 
Some newly-described Desmids. (Illustrated.) 
McClatchie : Preparation of Vegetable Tissues for Sectioning on the 
Microtome (also in Naturalist). 
Journal of Mycology. Vol. VI ( continued ). 
No. 2. Southworth : A new Hollyhock Disease. (Plate III.) 
,, — Galloway : Description of a new Knapsack Sprayer. (Illustrated.) 
,, — • Brefeld : Recent investigations of Smut Fungi and Smut Diseases. 
(Translated.) 
,, — Galloway and Southworth : Preliminary notes on a new and 
destructive Oat Disease. 
,, — Nessler : Copper-soda and Copper-gypsum as Remedies for Grape 
Mildew. (Translated.) 
„ — MacMillan : Note on a Minnesota species of Isaria and an attendant 
Pachybasidium. 
„ — Ellis and Tracy : A few New Fungi. 
„ — Bunzli : Combating the Potato Blight. (Translated.) 
„ — • Ellis and Everhart: Mucronoporus Andersoni. 
„ — Fairchild : Index to North American Mycological Literature. 
