1887] Botany. 479 
Botanical News.—A new monthly periodical, —Popular Gar- 
dening,—which first made its appearance last year, promises to 
become of interest to botanists as well as gardeners. It is pub- 
lished in Buffalo, N. Y.——-Rev. Francis Wolle, of Bethlehem, 
Pa., well known as a student of the fresh-water algz and 
author of a most useful work on the “ Desmids of the United 
States,” is preparing a treatise on the Fresh-Water Algz of North 
America, The work may be expected about the middle of the 
year. It will be illustrated by one hundred and fifty plates, con- 
taining two thousand figures. We trust that the enterprising 
author will be rewarded by an abundance of orders for the book, 
which necessarily must be somewhat expensive. In the Feb- 
ruary number of the Yournal of Botany Richard Spruce describes 
anew Hepatic (Lejeunea holt) from Ireland, and J. G. Baker a 
A recent 
nounced for early publication: An elementary class-book of 
botany, by Dr. ay, “to take the place,” according to the 
Botanical Gazette,“ of ‘How Plants Grow’ and the ‘ Lessons’ ;” 
an introduction to the study of lichens, by Henry Willey, of 
New Bedford, Mass.,—according to the Torrey Bulletin, “ it will 
include the collecting and mounting of lichens, their structure 
and organs, the distribution of North American species, the 
ae Bethlehem, Pa..—this work, of which mention has’ already been 
= made, will be fully illustrated with colored plates; a treatise on 
the natural families of plants (“ Die natürlichen Pflanzenfamilien”), 
by Professors Engler and Prantl, to be illustrated by many thou- 
sand wood-cuts to illustrate the structure; the anatomy and 
Physiology of Plants,” by Dr. S. H. Vines; “Outlines of Classi- 
ication ae Special Morphology of Plants,” by Dr. K. Goebel; 
“Grasses of North America,” by Dr. W. J. Beal; “ Microbes, 
“erments, and Moulds,” by E. L. Trouessart ; the new edition 
of Rabenhorst’s “ Kryptogamen Flora;” vol. i. “ Pilze, by Dr. 
_ Winter; vol. ii. “ Die Fampflanzen,” by Dr. Luerssen k vol. iv. 
“Die Laubmorse,” by Limpricht (these are appearing in parts, — 
