1893. | Notes and News. II5 
i ith the botan- 
. J. T. Rorurock has severed his long connection wi 
ical a of the University of Pennsylvania, and has become general 
secretary of the Pennsylvania Forestry Association. moe 
bli } dor Fischer 
Tue Bibliotheca Botanica,heretofore published by Theo 
in Cassel, is hereafter to be published by Erwin N — in Stuttgart. 
It will be edited as heretofore by Drs. Liirrsen and Hanlein. 
Prop. J. C. ARTHUR’s paper on “The gases in living plants”, read by | 
i lation 
ointment at the Washington meeting of the American Association, 
ier peared in the American Naturalist, beginning with the January 
number. 
THE INFLUENCE of the salts of phosphoric acid upon plants pet a 
studied by Herr C. Loew in the case of Spirogyra. He found that 
Stimulated the development of chlorophyll and the general activities 
ofthe cell. In his experiments disodium phosphate was used. 
M. E. Gain has been conducting some experiments to discover the 
relation of moist soil and moist atmosphere to plant development. A 
: dry air is very favorable to the produc- 
Pe »and moist soil is favorable; dry soil is unfavorable, and 
moist air very unfavorable to flowering.— Comptes Rendys. 
. “MEEHAN’S MONTHLY began its third volume with the new year, and 
my opening number Presents a colored plate of Opuntia prolifera. 
The leading papers, treating of notable North American plants, are 
Valuable from the amount of information they bring together; and the 
smaller notes which follow contain information too important to be 
lost. 
Tae INITIAL NUMBER of the Bulletin de ! Herbier Boissier, under the 
sfitorial direction Eugéne Autran, is before us. It contains 
: texcellent plates. The two papers are 
natural : The genera Achatocarpus and Bosia and their place in a 
E. ha by Schinz and Autran; and Plante Postiane, by George 
RF. HL KNow.ton in an j i in Sci (Jan. 1 
. > interestin aper In S¢lence 3)s 
“se aeation to the former existence of the ab Artocarpus (bread- 
ei North America. A 
b ate as early Pliocene or late Mio- | 
4 genus with a — <xisted as far north as Oregon. kee AL : 
ompelled to dix ar history, formerly existing in North America, bu 
d 01's Journal de Botanique continues to be full of int- 
and valuabl aterial. The number for Dec. 16th contains a 
Ouillard. 4 menomycetes, Sirobasidium, by Lagerheim and 
Aulisconem?, NW Senus of Chinese lilies near Polygonatum, called 
of France hy 2445 Acontinuation of the 
ang. C& by Camus. 
4 4 20d the concluding part of the lichens of Carissy 
mood, by Pabbé Hue. The’ 
esque,” from a genera} morphological and anatomical study, 
