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every page by drawings made from the living plant, either native 
or cultivated. The species from the U. S. described and figured 
are Abies amabilis, Forbes, A. grandis, Lindl., A. concolor, Lindl., 
A. subalpina, Englm., A. nobilis and A. magnifica, with varieties. 
Contributions to American Botany, XIII. Sereno Watson. (Proc. 
Amer. Acad. Arts and Sci., xxi., pp. 414-468.) 
This latest of Mr. Watson’s contributions is made up of (Ist.) 
A List of Plants collected by Dr. Edward Palmer, in Southwestern 
Chihuahua, Mexico, in 1885. This collection comprises between 
five and six hundred numbers and has furnished many new species; 
the Gamopetalz were named by Dr. Gray, the Graminez by Dr. 
Vasey, and the Cryptogams by Professor Eaton. (2d.) Descrip- 
tions of New Species of Plants, chiefly from the Pacific States and 
Chihuahua, in which 37 undescribed plants are characterized. 
(3d.) Notes upon Plants collected in the Department of Ysabal, 
Guatemala, February to April, 1885; and (4th.) Notes upon some 
Palms of Guatemala. 
Coreopsis.—Annual Species of. (Garden, xxix., pp. 498, 499, 
with plate.) 
Coreopsis cardaminefolia, C. Drummondii, C. aurea, C. At- 
kinsoniana, and C. aristosa, are figured and directions are given 
for growing these and other species in gardens. 
Desmidiee.—Key to the. A.C. Stokes. (Amer. Month. Micros. 
Journ., vii., pp. 109-114.) 
An artificial classification of North American Desmids, in- 
cluding both genera and species, with references to the pages of 
Mr. Wolle’s “ Desmids of the United States.” 
Diatoms. 
Mr. E.A. Congdon reported to the Natural Science Association 
of Staten Island a list of twenty-two fossil diatoms discovered near 
Clove Lake. All but three have also been found living in the 
neighboring ponds. These are Stephanodiscus Niagare, Bibla- 
rium rhombus and Actinoptychus annulatus. 
Flora of Jowa.—Contributions to the. J. C. Arthur. (Proc. 
Davenport Acad. Nat. Sci., iv., pp. 27-30 and 64-75.) 
Hora of the Yellowstone National Park, Frank Tweedy. (Pamph- 
let, 8vo, 78 pp., Washington, 1886; published by the author.) 
