42 BOTANICAL GAZETTE. | [ February, 
oe i The work’ has since been sent for review, and can be commended as a _ 
Sas carefully prepared account of the action of 
_ Cially those directly due to or derived from plants—such plants being 
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with one or more species each, are put into the list of “ poisonous.” The 
virulent kinds of Rhus naturally take the lead, and the series shades 
, 0 work done in 1865. At that time Prof. Maisch, of Philadelphia, decided : 
that the poisonous properties reside in a volatile acid which he call 
. Phe 
- terial theory has received some credence, even from careful medical : 
_ Writers (e. g., Dr. Gradle in “Germ Theory of Disease,” 1883), and a de-— 
_. Seription of the microbe is included in systematic works (e.g, Groves” 
_ * Bacteria and Yeast Fungi,” 1884), so that some notice of it would have — 
nin : te 
Many of the 
_ the majority 
toa succession of surprises quite as disagreeable in their way as if he were — 
ct 
_ Cite at random, arnica, beggar-ticks, 
weed, golden-rod and cocklebur. 
of additional information, and the au- 
s be pleased to receive data of authentic nature fr om 
users of the work 
*WHitr, Dr. Jamrs C.— Dermatitis Venen 
Upon the skin. 21g 
. — iS 
ala, an account of the action of external irritants: 
PP-, 8vo. Boston: Cupples & Hurd, 1887.05 pokes 
