NOTES AND NEWS. 
THE PIGMENT of the negro skin, also found in white races to a much 
less extent, is believed (Abel and Davis in Scéence 2: 110) to hold some 
chemical relation to chlorophyll. 
A KEY TO THE WOODY PLANTS of Mower county, Minnesota, has been 
published by Mr. K. C. Davis. It is intended to be used in the winter 
time, and embraces fifty-two species of ligneous plants. 
THE BOTANICAL LIBRARY of Mr. C. G. Lloyd of Cincinnati numbers 
3,000 bound volumes and 1,000 pamphlets, and contains many choice 
and valuable works. It receives a large number of additions yearly. 
_ ToxicopENpRIc ACID, which was studied by Maisch in 1865, and 
Since that time generally accepted as the poisonous principle of Rhus 
Toxicodendron or poison ivy, is now said by Pfaff (Sczence 2: 118) to 
be identical with acetic acid, and that the poisonous substance is an 
oil, which he calls toxicodendrol. 
Mr. Epwarp C. Jerrrey, of the University of Toronto, finds that 
three, or even fourembryos. Of these only one persists in the ripened 
Seed. Cf. Annals of Botany 9: 537. D 1895 
tent persons, but the determination was incorrect. The plant in ques- 
won isa form of A. Novi-Belgii L. The Myriophyllum scabratum Mx. 
ae to be M. Farwellii Morong.—A. J. Grout, Columbia College, 
- Second paper supplements the first by correcting a number of 
terminations. sae PP y 
y a TIONAL donation of $10,000 for the endowment of the New 
Hen, Potanic Gard 
of hte a few years the foremost botanic garden in America, and one 
erecting }es4.2 the world. The work of constructing roads and 
"8 buildings will begin in the spring. About 250 species of 
[97] 
