202 BOTANICAL GAZETTE [iiARCH 



imbibition, and solution, are discussed, first in the abstract, and then applied, so 

 far as possible, to the explanation of the formation of membranes, protoplasmic 

 movement, cell division, molecular structure, turgor, the movement of water, etc. 

 They form a useful summary, naturally not quite up to date, of facts and theories 

 which it is essential for the student of physiology to command. It is doubtful if 

 elsewhere they can be found more conveniently arranged and effectively presented. 

 All of them have for some years found a place in the writer's lectures on plant 

 physics.— C. R. B. 



North American Flora.— The first part of volume IX has just appeared, being 

 the sixth part published. It contains a part of the Polyporaceae, by \V. A. MuR- 

 ^^^y 33 genera being presented, the following being new: Hydno porta, Fus- 

 coporia (9 spp., 2 new), Ftiscoporella (6 spp., 5 new), Fomitiporia (17 spp-, 16 

 new), Fomitiporella (9 spp., 7 new), Tinctoporia (i new), Melanoporella, and 

 Melanoparia, The large genera are Coriolus (40 spp., 13 new), Polyporus 

 (35 spp., 2 new), TjTomyces (25 spp., 6 new), and Hexagona (19 spp., 5 new). 

 In other genera 9 new species are described.— J. M '^ 



Plantarxtm 



new 



The species illustrated in the twenty -five plates of this 

 es by Hemsley, one of which represents a new Chinese 

 genus {Sinojranchetia) of Lardizabalaceae. Five additional new species are 

 described, but not illustrated. These 16 new^ species are all oriental, chiefly 

 Chinese, and belong to the following families: Sabiaceae, Hamamelidaceae (8), 

 Lardizabalaceae (6), and Triuridaceae.— J. M. C. 



Part 229 contains the completion of Hookeriaceae, 



M,v^^i.,.iu^^„„ TDu 'i"--ae, and most of Leskeaceae, 



pletion of Ascolichenes and 



Pfianzenfamil 



BROTHERrs. Part 



AHLBRUCKNER. The fourth part 



index.— J 



004) 



and 



Pflanzeiireich.9— Part 32 contains the tribe Coelog)'ninae of Orchida- 



ceae by Pfitzer and Kr:vxzlix. Of the 15 genera recognized 

 described as new: Plychogyne, Hologyne, Sigmatogyne, Chela 

 lostalix. The snenVc r,„niber "•'= *^~ ' i.-:_~ 



Dendrochilum (74), and PhoUdota (31). 



(103), 



1 



AID 



Eucalyptus 



the description, synonj-my, range, and affinities of eight species. This series, 

 be gun in 190 3, now includes thirty-one species.— J. M. C. 



7 Hooker's Icones Plantarum. IV. 9^: pis. 2826-2850. 1907. 

 » ExGLER, a;, und Praxtl, K., Die naturlichen Pflanstenfamilien. Lief. 229 

 una 22s und Ergknzmigsheft II, Lief. 4. Leipzig: Wilhelm Engelmann. 1907- 

 _ 9Engi.ee, a., Das Pflanzenreich. Heft. 32. Orchidaceae-Monandrae-Coelo- 



gynm^ voa E. Pfixzer und Fr. Kranzlin. pp. 169. figs. 54 (294). Leipzig: WH- 

 helm Engelmann. 1907. lf8.4o. y / fi J'/ ^ v^/ 



1° M-\IDEN, J. H., A critical revision of the genus Eucalyptus. Part IX, pp- 259" 

 294- pts. 41-44. Sydney: Published by the State of Ne^v South Wales. 1907. 25. 6i. 



