1876. ] Botany. 47 
groups of Alge, by H. C. Sorby. Six different characteristic coloring- 
matters, soluble in water, have been detected and are here described. 
e six are referred to two typical coloring-matters, Phycocyan and 
Phycoerythrin. 
The Gardeners’ Chronicle, November 20, 1875. Rue, a popular ac- 
count of its historical and legendary associations. Autumn tints of trees, 
by J. McNab. Garcinia mangostana, by Mr. Prestoe, of Trinidad (an 
interesting description, with plates, of the fruit of the mangosteen). 
Comptes rendus des Séances de V Académie des Sciences, September 20, 
1875. On the rôle of the protective sheath of the vascular bundles in 
herbaceous dicotyledons, by J. Vesque. On the development and struct- 
ure of glands within the leaf, by J. Chatin. September 27th. Abnormal 
variation of hybrid plants, by Ch. Naudin. 
Annales des Sciences Naturelles, Botanique, 1875-1-1. New researches 
respecting the Mucorinee, by Ph. Van Tieghem. To be hereafter no- 
iced. 
Jahrbucher fiir Wissenchaftl. Botanik, Bd. X., heft 2. On the anat- 
omy of leaves, by Reinke (with special reference to certain glands oc- 
curring on them). On the fertilization of Basidiomycetes, by Max Reess. 
Germination of the spores of Cyathus (a gastromycetous fungus), by R. 
Hesse. On the development of certain leaves, by A. B. Frank (treat- 
ing chiefly of the theory of interposition). 
Flora, 1875, No. 22. On growth, and the formation of chlorophyll, 
by C. Kraus. (The formation of chlorophyll does not retard growth.) 
No. 23. Abnormal fir-cones, by Döbner. On the action of vegetable 
acids on chlorophyll within the plant, by C. Kraus. (No effect pro- 
duced unless the protoplasma and the contained chlorophyll are en- 
feebled.) No. 26, On abnormal cones, by A. Braun. 
Botanische Zeitung, October 1st to November 5th, inclusive. Fertili- 
zation of species of Agaricus, by Dr. E. Eidam. In reports of societies : 
Gottingen, H. Conwentz shows that the microscopic anatomy of the vascu- 
lar bundles may be sometimes used as a diagnosti¢ character in ferns. 
Bonn: On the formation of the primordial utricle, by Professor Pfeffer 
(elsewhere noticed). Leipsic: An examination of certain lichens with 
respect to the Schwendener theory, by G. Winter (favorable to the 
theory). New Peronosporee, by Schenk. On certain fungi, by G. Win- 
ter. On intercellular thickening in the cellular tissue of ferns, by 
Luerssen. On flesh-eating plants, by Reess and Will. (Investigations 
made before the appearance of Mr. Darwin’s treatise, and generally con- 
firming his results, by more technical methods of research.) On the 
origin of high hydrostatic pressure in vegetable cells, by Dr. Pfeffer 
(elsewhere noticed). On the morphology of vascular cryptogams, by 
Dr. Frank (comparing them with the lower grades). On the lower 
limits of sexuality in plants, by Dodel-Port. On fertilization, by Stras- 
burger. On the plants of Ætna, by Professor Strobl. Brandenburg: 
