1900] CURRENT LITERATURE 425 
given, 7 species being recognized, one of which is new.— KARL FRITSCH 
(ibid. Beiblatt 5-23) has published an account of the Gesneriacea of Brazil. 
—OTTO V. SEEMAN (bid. Beiblatt 28) has published two new species of 
Salix (S. pseudolapponum and S. aemudans) from Colorado, collected and 
distributed by Baker, Earle, and Tracy.—F. V. CoviLLE (Proceedings of 
the Washington Academy of Science 2 : 275-286. /. 75. 1900) has given an 
account of the tree willows of Alaska, recognizing five species, one of which 
(S. amplifolia) is described as new.—A. W. Evans (ibid, 287-314. pls. 16-18) 
has published notes on the Hepaticae collected in Alaska by the Harriman 
Expedition, the list containing sixty-three species.—C. L. PoLLarD (Proc. 
Biol. Soc. Washington 13 : 169. 1900) has described a new violet from Ala- 
bama,— E. L. Morris (did. 171-182) has discovered in West Virginia forty- 
seven species heretofore unreported from the state, and also new subspecies 
of Polypodium vulgare and Vernonia gigantea.— Joun M. HoLzinGER (Asa 
Gray Bull, 8: 95-99. #/.6. 1900) has reported from Yellowstone National 
Park a Polytrichum (P. Jensentt Hagen) new to the United States, and here- 
tofore known from northern Europe.— K. M. WIEGAND (Bull. Torr. Bot. 
Club 27: 511-527. 1900) has published upon Juncus tenuis and some of its 
North American allies, discussing thirteen species, and describing four species 
as new. P. A. RYDBERG (#béd. 528-538), in continuing his “ Studies on the 
Rocky mountain flora,”’ presents the species of Melanthacez, finding that the 
family is represented in the region under consideration by at least five 
génera and seventeen species. Of these, one genus (Stenanthella) and seven 
species are described as new. The new genus is based on Stenanthium 
occidentale Gray, and the new species belong to Tofieldia (1), Veratrum (1), 
and Zygadenus (5).—W. N. SUKSDORF (Bot. Monats. 18: 153-156. 1900), 
in continuing his account of Washington plants, has described ae 
or vareties of Pentstemon, Mimulus, Castilleia, Aphyllon, and Lister signs In 
Mém. Herb. Boiss. (no. 20, October 1900) publication of the African flora is 
Continued, new species being described under numerous families by the vari- 
ous collaborators, and under Scrophulariacee SrapF describes and figures a 
CG 
Sere Spine Soret erg ue its 
gymnosperms deals 
with the embryology of Cephalotaxus Fortune. Systematists have ‘sista 
_ Cephalotaxus between Phyllocladus 
_ and Taxus on the other. In anatomi 
cycads. It was the object of this study to 
would throw any light upon the relatio 
Material was obtained from a botanical garden in southern Russia. 
gie der Gymnospermen, IlI. Embryo- 
“™ ARNOLDI, W.: Beitrage zur Morpholo ak 
genie von Cephalotaxus Fortunei. Flora 82: 46-63. pls. 1-3. 
a st, 
