1888. | BOTANICAL GAZETTE, 245 
a variety from southern Russia, 
flo amens. O 
there were stamens in all. In seventy-six cases the stamens were three, 
€ same 
usual number. In the others the stamens ranged from one to five. Where 
five were present they alternated with the five petals, and with the five 
parts of the pistil in such cases, Of the three stamens usually found, one 
stood alternate with the petals and the other two opposite to them, each 
of the latter showing by its position and larger size that it represented 
two A. A. Crozier. 
Ames, Towa. 
CURRENT LITERATURE. 
ost-index of fungi. ea 
Those who are acquainted with the Cryptogamic herbarium of 
Harvard University know what voluminous indexes are kept up to 
facilitate study of that splendid collection. In publishing an index to 
the h 
have 
a 
list of host plants arranged in the usual order, and in nomenclature fol- _ 
OWing generally Watson’s index. These names are printed in bol ace © 
type, and followed by the names of fungi occurring upon them. Synonyms 3 
are but sparingly given, usually only those which have appeared in con- 
nection with the record of the occurrence of the species on particular — 
osts in N. A. 
the authors, at Cambridge, Mass. 
The plant cell, : 
It is a little over twenty years since Hofmeister’s “ Lehre von a aed 
Planzenzelle ” appeared, and in those twenty years a vast oe ee 
made in our knowledge of the finer structure of the pa oie 
ans of the improved optical appliances, and particularly ie ape 
of vestigation. As no work has appeared since the claaae ates si , 
Hoimeister which gives in compact form a statement of the k coscalle 
We possess about the plant cell, this book? of Dr. Zimmermann 1s — — 
ARLOW, W. G, . B,—A provisional host index ust, 1888. 
0.8.—Part I-Polypetale, pp. 52, sq, roy. 60° tenis es ane nop Abdr. 
e nzen iD 
aus der Enoyiinni Frm peas Morphologie und mAb elung, Handbuch Botanik.) pp. — 
8vo : : ieee 
e der Naturwissensc 
™, figg. 36, Toy. 8vo. Breslau: Edward Trewend 
