160 
left practically to draw our own conclusions from the mass of tes- _ 
timony produced. Plants of problematic or doubtful affinity are 
treated in the two closing chapters, but not with the same wealth 
of discussion that we find in the others. In this connection may 
be noted Spiraxis, Williamsonia, Spirangium, Sigillariopsis and 
Lyginodendron. 
No matter how our future views may be changed by the dis- 
covery of new facts, this book will always be a valuable work of 
reference for the botanist and palzobotanist. A. H. 
Index to Recent Literature Relating to American Botany. 
Abnormal Ailanthus Leaflets—A Series of. Mrs. W. A. Kel- 
lerman. (Science xix. 90, 91 ; illustrated). 
Anatomy of Carices. Theo. Holm. (Bot. Gaz. xvii. 56). 
| Appendix to the Catalogue of the Flora of Nebraska. H. J. 
Webber. (Trans. Acad. Sci. St. Louis vi. 1-47; reprint; 
Contrib. Shaw School of Botany, No. 9). 
Mr. Webber, in continuing his studies of the Nebraska Flora, 
has found many things to add to and some corrections to make 
in his published catalogue of 1890. These are presented in this 
Appendix, which enumerates 432 species not before reported from 
the State, making the whole Flora, as at present known, 2322 
species and varieties. 
Blackberry Plant—A Seedling. Mrs. W. A. Kellerman. (Sc: 
XIX. 94, 95; illustrated). 
Describes, the changes in leaf form in a young seedling, from 
the entire to the multifoliate type. 
Burnt Spots on Leaves. Theo. Holm. (Bot. Gaz. xvii. 89). 
Butternut—The. Geo. B. Sudworth. (Hardwood, i. No. 5): 
Note on the distribution of and the durability of the woods 
of various species of the Juglandacez. 
California Palms. (West. Am. Scient. viii. 13). 
Note on Washingtonia Jilifera and W. robusta. 
Cercospore from Alabama—Some. Geo. F. Atkinson. (Elisha 
Mitchell Sci. Soc. viii. 34). 
Twenty-eight species of Cercospora are described as new. 
