TABLE OF CONTENTS. 
PAGE 
On the grange and embryo of Taxodium. Contribu- 
tions from the Botanical — of the — 
opkins saat No. 1 (with plates I-x1) - W.C. Coker 1,114 
Mitosis in Pellia. Contributions from the Hull Botanical 
Laboratory. XLIX (with plates x1I-xIv) - - C.J. Chamberlain 29 
New Western plants. I - - - - - . = AyD BaBimer —52 
Studies in spindle formation (with plates xv, Xv1) - - A. A, Lawson 81 
The embryo sac of Casuarina stricta. Contributions from 
the Hull Botanical Laboratory. L (with plate xvi) - i. CG. Frye” Toi 
The vegetation of the Bay of Fundy salt and diked marshes: 
an ecological study. Contributions to the ecological 
gs geography of the Province of New Brunswick. 
o. 3 (with sixteen figures and maps) - W.F. Ganong 161, 280, 349, 429 
Geographic distribution of /scetes saccharata. Contributions 
the Hull Botanical Laboratory. LI (with map) G. H. Shull 187 
A. sketch of the flora of southern California - . - - S.B. Parish 203, 259 
A» écological SS of ie flora of mountainous North Caro- 
i lina - - . y eS Harshterger 241, 368 
_ Qdontoschisma Macounii and its North American allies 
(with plates xvI-xx) .W. Evans 321 
On pa hence distribution and ecological relations of 
g plant societies of northern North America 
i dee maps) - - £. N. Transeau 401 
Aralia in American paleobotany (with diagram) - - . £. W. Berry = 421 
Notes on Garrya with descriptions of new speciesand key - Alice Eastwood 456 
BRIEFER ARTICLES — 
Positive geotropism in the ite of the isi alias 
(with one figure) - - £. 8B. Copeland 62 
Contributions to the biology of Rhizobia - . - A. Schneider 65 
The occurrence of two venters in the archegonium of 
Polytrichum juniperinum (with one figure) - - Mary C. Bliss 141 
Polyembryony in Ginkgo > = = - - M.T. Cook 142 
A gall upon a mushroom (with six figures) é - C. Thom 223 
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