696 THE AMERICAN NATURALIST. — [Vor. XXXV. 
Professor Peck's quarto plates illustrating the edible fungi of New 
York, with a number of additional plates and revised letter-press, 
have been issued as Vol. IV, No. 3, of the Memoirs of the New York 
State Museum. 
A study of Boletus luteus, deformed by the parasitic Hypomyces 
chrysospermus, by Van Bambeke, appears in the recently issued 
Bulletin de la Société Royale de Botanique de Belgique for 1900. 
A new species each of Tolyposporium and Ustilago in the ovaries 
of Eriocaulon septangulare, from Massachusetts, is described by 
Clinton in Rhodora for April. 
The cambial slime diseases of trees are being rediscussed by 
Dr. Holtz in current numbers of the second Abteilung of the Central- 
blatt fiir Bakteriologie, etc. 
Dr. E. F. Smith has published an extended and well-illustrated 
résumé of what is known of bacterial plant diseases, in recent 
numbers of the Centralblatt für Bakteriologie, Abteilung 2. 
A paper on the organography and taxonomy of Galaxaura, a genus 
of red alge, by Kjellman, is separately issued from the Æ. Svenska 
Vetenskaps- Akademiens Handlingar, Nol. XXXIII, No. 1. 
Nowhere have ecological facts found so good exposition in garden- 
ing as at the Berlin botanical garden, where, from the moment of 
assuming the direction of the establishment, Dr. Engler has devoted 
himself to a development of this most important museum feature of 
a botanical garden. One of the most instructive of recent treatises 
on the ecological distribution of plants is issued as Appendix No. 7 
to the current volume of the (Vofizb/att of the Berlin garden, and con-. 
sists in a terse logical analysis of the plant -formations of the Alps 
as exemplified in the newly established garden at Dahlem. 
An extensive and well-illustrated treatise on the dissemination 
ecology of Scandinavian plants, by Dr. Rutger Sernander, is dis- 
tributed from the University of Upsala, and forms an octavo of over 
450 pages, the Swedish text being accompanied by a German summary. 
A good example of what Huth has called stem-fruiting plants ux 
given in a plate of Artocarpus integrifolia, published by Dr. Wilcox 
in the Proceedings of the Columbus Horticultural Society for 1900. 
R. E. B. McKenney publishes some illustrated ecological notes 07 
plant distribution in the Beihefte zum Botanischen Centralblatt, Bd. X, 
eit 3 
