1906] CURRENT LITERATURE 355 
ward to Monterey Bay. Species are described under 22 genera, Parmelia being 
the largest with 14 species; and new species are characterized under Cetraria, 
Usnea, Parmelia, and Gyrophra.—J. M. C. 
Die naturlichen Pflanzenfamilien —Part 223 continues the families of mosses 
by BrotHERus, Hedwigiaceae being concluded; Fontinalaceae, Climaciaceae, 
Cryphaeaceae, Leucodontaceae, and Prionodontaceae being completed; an 
Spiridentaceae being begun 
The first part of the second supplement has also appeared, including the litera- 
ture of 1899-1904 in reference to gymnosperms and monocotyledons, with a 
few pages beginning the dicotyledons.—J. M. C. 
Index Filicum.—The sixth, seventh, and eighth fascicles of CHRISTENSEN’S 
work® have appeared with great promptness, carrying the references from Glei- 
chenia Cunninghamii to Polypodium basiattenuatum. It should be urged upon 
colleges and libraries that so useful and thankless a task should be supported 
by adequate subscriptions.—J. M. C. 
Text-book of pharmacognosy.—A new textbook of pharmacognosy by G1Lc'? 
is worthy an English edition. It is the best illustrated text for ordinary student 
use that has appeared. The work would be still more valuable if a greater num- 
ber of cuts showing the anatomical elements as they appear in powder had been 
included.—Raymonp H. Ponp. 
Plants of Bermuda.—A list of plants collected by the author in Bermuda 
in 1905 has been published privately by A. H. Moore of Cambridge, Mass. The 
pamphlet contains 22 pages, 3 plate reproductions of rs and descrip- 
tions of new species of Rhynchospora and Elaeodendron.—. rg 
Das Pflanzenreich.tt—Part 24, ee in amet of this year, contains the 
Aponogetonaceae by KrAusE and ENGLE g d.—J.M.C. 
NOTES FOR STUDENTS. 
Items of taxonomic interest.—J. Carport continues (Bull. Herb. Boiss. IT. 
6:1-17. 1906) his account of the mosses collected by the Swedish Antarctic Expe- 
dition, describing nineteen new species from S. Georgia Island and 5 from the 
Antarctic lands.—Pa.rprin adds (idem 18-22) 5 new species to the Chinese flora. 
—H. Curist lists (idem 45-58) the ferns of Costa Rica, which is astonishingly rich, 
and describes 8 as new.—I. Tuérr10r (Bull. Acad. Int. Geog. Bot. 16:40. 1906) 
gives a 2-line diagnosis of two new Leptodontia from New Granada, with other 
° CHRISTENSEN, C., Index Filicum, etc. Fasc. 6-8. Copenhagen: H. Hag- 
erups Boghandel. 1905 and 1906. Each 3s. 6d : 
= Gre, Ernest, Lehrbuch der Pharmacognosie. 8vo, pp. vii+368. Berlin: 
™t ENGLER, A., Das Pflanzenreich. Heft. 24, Aponogetonaceae by K. KRAUSE 
assisted by A. ENGLER. pp. 22, figs. 9 (718 M1.20. Leipzig: Wilhelm Engelmann. 
1906. 
