56 The Botanical Gazette. [February 
fresh and developed new leaves and roots, although some had 
been preserved in herbaria for two years and three months. 
The Mexican plants which Prof. Wittrock succeeded in reviving 
were: Scolopendrium nigripes; Asplenium furcatum, A. 
Pringlet; Polypodium Plumula, P. lanceolatum,; Gi heilanthes 
lendigera, C. Szovitsit; Lsoetes Pringlet. Selaginella lepido- 
phylla, the well-known resurrection-plant, was also cultivated, 
and specimens which had been kept dry in a jar for more 
than eleven years revived. The paper is illustrated by five 
partly colored plates.—THEO. HOLM. 
Anatomy of carices. 
A very comprehensive study of the anatomical structure of 
about fifty species of Carex has been made by M. Mazel, 
forming a very welcome addition to the papers which deal 
with anatomical characters of species. Although the author 
admits that he has not succeeded in finding any characters in 
this genus sufficient to characterize the different groups ? 
large genus, of which the representatives are spread all overt 
the world and living under the most different conditions as 10 
climate and soil. This has not been taken into consideration, 
has a considerable number of types, many of which appre 
again farther south, and of which the structure is better suite : 
ae 
ANToINE MazeL: Etudes d’anatomie compareé sur les organes de vegetation 
dans le genre Carex. P 
P. 213 7 plates. Genave 1891. 
