72 BOTANICAL GAZETTE [JANUARY 
underlies the discussion has been developed by his physiological investigations, 
chiefly in connection with the vegetation of arid areas.—J. M. C. 
Scientific expedition to New Guinea.—A second part of volume VIII, con- 
tinuing the account of the botanical results of this expedition, has been published 
recently,’ which includes about 50 families of the higher plants, over 190 genera, 
and approximately 300 species and varieties. The taxonomic work has been 
done by noted specialists, and their results have been ably edited by Dr. H. A. 
LORENTZ. ieti 
cicratea of the Hippocrateaceae, Diandriella of the Araceae, and Cyrtandropsis 
of the Gesneriaceae. The more important constituents of the flora, as shown 
by families, are: the Euphorbiaceae (60 species), Leguminosae (52), Piperaceae 
(21), Araceae (20), Myrtaceae (19), and Compositae (17). The publication is 
a meme aa, contribution to our knowledge of the flora of New 
Guinea.—J. M. GREENMAN. 
RUTES FOR STUDENTS 
Current taxonomic literature—O. Ames (Torreya 10:90, QI. 1910) 
records a new species of Ponthieva (P. Brittonae) from the Bahamas.—J. C. 
Artuur (Mycologia 2:213-240. 1910) under the title “Cultures of Uredineae 
in 1909” has placed on record some of the results of his researches during the 
past year, and includes two new species of Gymnosporangium described by 
F. D. Kern.—W. BEcKEr (Beih. Bot. Centralbl. 26: 289-390. 1910) has issued 
the second and closing article on the taxonomy of European violets, embody- 
ing the results of long-continued study in this genus——M. BouLy de LESDAIN 
(Bull. Soc. Bot. Fr. IV. 10:236-240. 1910) under the title ‘Notes liché- 
nologiques no. XII’ has described several new species of lichens, some of 
which are from Mexico.—T. S. BRANDEGEE (Univ. Calif. Pub. Bot. 4:85-95- 
1910) has published 23 new species of flowering plants from Mexico; the paper 
is based chiefly on collections made in the state of Puebla by C. A. PURPUS, 
and the types are deposited in the herbarium of the University of California. 
One new genus (Amphorella) of the Asclepiadaceae is proposed.—N. L. BRIT 
TON (Bull. Torr. Bot. Club 3'7:345-363. roro) in continuation of his studies 
on West Indian plants presents a synoptical treatment of the genus Como-— 
cladia, recognizing 18 species of which 7 are indicated as new to science; the 
article includes also descriptions of 24 new species of spermatophytes belong- 
ing to different genera.—G. Dismrer (Bull. Soc. Bot. Fr. IV. 10:Mém. 1s 
pp. 1-37. t910) under the title “Revision des Philonotis de degen 
recognizes 25 species, 2 of which and several varieties are new.—P. DvSsE 
7 Nova Guinea. Résultats de l’expédition scientifique Néerlandaise 4 la Nou- 
velle-Guinée en 1907 sous les auspices du Dr. H. A. Lorentz. Vol. VIII, Botanique 
Livraison IT. 4to, pp. 221-426. pls. 52-68. Leide: E. J. Brill. 1910. 
