570 The American Naturalist. l [June, 
atus Schrader, being uncertain, the species is to bear the name of P, 
major (Fries) Morong; P. tuckermani Robbins (1856) gives way to 
the earlier P. confervoides Reichb.; P. marinus L. turns out not to be = 
that species, and must take the name P. filiformis Pers. (1805). ; 
CHARLES E. BESSEY. ; 
Pe ots) EE A eE 
Hough’s American Woods.—The third part of R. B. Hough's 
« American Woods” has recently been distributed. The twenty-five 
species in this part are Magnolia glauca, Ilex opaca, Acer rubrum, A. 
negundo, Prunus pennsylvanica, P. avium, Pyrus communis, Oratægus 
punctata, Amelanchier canadensis, Liquidamber, styraciflua, Diospyros 
virginiana, Fraxinus sambucifolia, Morus rubra, Hicoria suleata (Carya 
sulcata), H, glabra (Carya porcina), Quercus bicolor, Q. prinus, 
muhlenbergii, Q. coccinea, Betula populifolia, Salix amygdaloides, Pop- 
ulus tremuloides, P. dilatata, Chamæcyparis thyoides, Pinus mitis. 
Each species is represented by three sections of the wood, transverse, 
radial and tangential, each 44 by 2inches. A good descriptive text 
accompanies the set of specimens. The parts are sold by the author at 
Lowville, N. Y., for the low price of five dollars each. 
: CHARLES E. BESSEY. 
Allen’s Characee of America.—Five years ago Dr. T.F. 
Allen of New York City brought out Part I of a promising work on 
the Characez of America, consisting of an introductory chapter on the 
structure, followed by the keys to the species of all our genera. e 
has now brought out the first fascicle of Part II in which he begins the 
work of carefully describing and illustrating every species. The illus- 
` trations are ample, there being no less than fourteen plates for the eight 
species of Nitella included. The descriptions are full and apparently 
well drawn up, measurements being fully given. The following are 
the species described : oe 
N. opaca Ag.—New England and Canada to California and Mexico. 
N. obtusa Allen.—A new species from Lake Tamiscouata, Canada. 
N. montana Allen.—A new species from Montana. 
N. blankinshipii Allen—A new species from Missouri. 
N. missouriensis Allen.—A new species from Missouri. 
N. flexilis Ag.—Across the continent. 
N. subglomerata A. Br.—N. Y. and N. J. to Oregon, Texas and : 
Missouri and the var. brachyteles A. Br. of this species occurs ae 
Mexico Alabama. 
ni glomerulifera A. Br—Mass. to N. J., Ohio and Louisiana. 
Every botanist will hope for the early a ance of the succeeds — 
fascicles. A : T ARLES E. BESEY. 
