376 
Anatomical Characters of North American Gramineea.—A Study 
of Some. Theo. Holm. (Bot. Gaz. xvi., 166-171, 219-225, 
275-281, 5 plates). 
An anatomical study of species of Unzola, Distichlis, and Pleu- 
ropogon. 
A Remarkable Orange Tree. W. W. Bailey. (Bot. Gaz. xvi. 
St8;314). 
The author cites an instance in which an orange tree, com- 
pletely girdled, lived and bore fruit for at least seven years, 
although there was no connection between the upper part of the 
tree and its roots except through the heart wood. The tree 
finally yielded when a vigorous young sprout came up from the 
root. : 
Aristolochia gigas. W. B. Hemsley.. (Gard. Chron. x. 552, f. 
75): 
Bacteria of the Melons. Byron D. Halsted. (Bot. Gaz. xvi., 
303-305). 
Read before Sec. F., A. A. A. S., Washington meeting, Aug., 
1891. 
Botanical Fottings. A. Alexander. (Journ. and Proc. Hamil- 
ton Asso., Part vii., 79-85). 
Cleistogamy in Polygonum acre. TY. H.Kearney, Jr. (Bot. Gaz., 
xvi. 314, illustrated). 
Epiphyllum Gertneri. (Bot. Mag. t. 7201). 
Flora of St. Helen’s Island, Montreal—Notes on the. D. P. 
Penhallow. (Can. Rec. Sci. iv. 369-372). 
A list of some sixty native and introduced plants. 
Further Notes on the Mutilation of Flowers by Insects. J. 
Schneck. (Bot. Gaz. xvi. 312, 313). 
The author adds that he has seen Xylocopa Virginica visit 
Pentstemon pubescens, P. levigatus, Pontederia cordata, Astraga- 
lus Canadensis and Trifolium pratense. 
Helianthus mollis. Thos. Meehan. (Bot. Gaz. xvi. 312). 
A note on variation according to environment. 
Tlex Cassine, the Aboriginal North American Tea. E. M. Hale. 
(Bull. No. 14, Div. Bot. U. S. Dept. Agric., illustrated). 
This is an account of Jlex vomitoria, Ait., with figure of the 
species in fruit and a map of the United States showing distribu- 
