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24 BOTANICAL GAZETTE. | January, 
dent Stokes (of the Royal Society) gave a brief account of his place in — 
botany, the most appreciative words being quoted from Prof. Asa Gray. 
THE THIRD NUMBER of Pittonia (November, 1887) contains “ West 
American phases of the genus Potentilla,’ the third paper on “ West Am. 
ew 
Asperifoliz,” “Some American Polemoniacex,” “N 
* 
its thirteenth number, and, with its array of autho 
; 4 SHORT note in the Biologisches Centralblatt (vii. 510) Stahl suggests 
that raphides, hitherto considered as a ion, specially 
sefu plants as a protection against the herbivorous animals. In @ 
series of experiments it was found that a large number of animals eat not 
snails—eat only the parts of the pla rom ch the needle crystals 
ar dds that many plants considered poisonous — é. g. 
maculatum—owe the burning taste wholly t¢ e€ numerous raphid 
