169 
Serotinous Pines. Geo. B. Sudworth. (Gard. and For. v. 160, 
illustrated). 
Notes on Pinus clausa, its geographical distribution and 
synonymy. 
Some Curious Catnip Leaves. Mrs. W. A. Kellerman. (Science 
xix. 66, 67, illustrated). 
The writer’s observations are strikingly remindful of Grant 
Allen and appeal equally to the faculty of observation and im- 
agination. 
Talauma macrocarpa, Zuce. (El Estudio, iv, 133, 1891). 
The Economical Tree. T.S. Hopkins. (Evening News, Thomas- 
ville, Ga. i. No. 48). . 
In this case it is an old Morus alba that sends out adventi- 
tious roots from the summit of its hollow trunk, which, reaching 
the earth, have enabled the tree to survive uprooting and ampu- 
tation of its limbs. 
The Tannins, Henry Trimble, Ph. M., Professor of Analytical 
Chemistry in the Philadelphia College of Pharmacy. (Vol. 1, 
8vo. 168 pp., Philadelphia, 1892). 3 | 
Monograph on the history, preparation, proprieties, metiays 
of estimation and uses of the vegetable astringents, with an index 
to the literature of the subject. 
Trillium erectum. (Meehan’s Month. ii. 49, illustrated). 
irilliums—The. 1.. Greenlee. (Am. Gardening xiii. 206, 
illustrated), 
Ueber Einige Brasilianische A gen. M. Mobius. (Ber. Deutsch. 
Bot. Gesellsch. x. 17, illustrated). 
Ulota Americana, Mitten. F. Venturi. (Revue Bryol. xix. 2, 
1892). 
This is a long and interesting discussion on the specific value 
of Mitten’s species as compared with its allied species which M. 
Venturi considers to be U. Hutchinsie rather than: U. orsipa and 
U. crispula with which Mitten compared it. He also criticises S. 
0. Lindberg very severely for taking up Ulota Americana of 
Palisot de Beauvois (1805), for U. Hutchinsia, Hanmnat (1852), 
stating that the type of the former is unknown, and it 1s imposst- 
