PMOL: i.] e feecent Literature. . 285 
Catalogue of Canadian Plants. Part V. Acrogens. By JoHN 
Macoun. This part contains the Ferns and Fern Allies, and Addi- 
tions and Corrections to vol. i-iv., which are rather extensive, em- 
bracing a hundred pages and conforming to recent revisions. , The 
first of these additions, oddly enough, is a synonym, the western 
form of Anemone nemorosa having been separated* in 1884 under 
the name of 4. Gray?, Kellogg & Behr. The work in general has 
been carefully done, and reflects credit upon the Government of 
Canada and the botanists concerned in its production. 
List of Canadian Hepatica, by Wm. Hy. PEARSON. pps. I-28, 
with ttwelve plates. This is a continuation of the Catalogue of 
Canadian plants, issued also by the Geological Survey of Canada. 
Mr. Pearson notes in the preface the great similarity of the Flora 
to that of Northern Europe. In the list of 165 species only one 
new one is described, a circumstance which speaks volumes for the. 
good jndgment of the author. 
Notes on the Leaves of Liriodendron, by THEODOR HOLM (Proc. 
Nat. Mus. xiii, pp. 15-35, pl. iv-ix.) In this very interesting arti- 
cle the author describes and figures numerous variations in size and 
form of the leaves of the tulip-tree (Liriodendron tulipifera) and 
argues from analogy that the many fossil species described from 
leaves, of comparatively slight variation are many of them at least 
doubtful. A very timely warning is given of the danger of work- 
ing in fossil species without preliminary study of the range of varia- 
_ tion in the nearest living representatives. 
Bulletin of the Santa Barbara Society af Natural History, vol. 7, 
No. 2. Several papers are contained in this number, besides the 
addresses, reports, etc. “Charm Stones,” by L. G. Yates, is of con- 
siderable interest. The botanical papers show evidence, in some 
“cases, of having been written a considerable time before publication. 
Bull. Torrey Club, xvii, No. 11. Contributions to Canadian 
Bryology, No. 3: John Macoun. An Enumeration of the Plants 
collected by Dr. H. H. Rusby in South America, 1885-1886—xiv: 
"graphical Distribution of Phlox bifida: Frank McDonald. 
si oe 
— * Bull. Cal. Acad. i, 5. 
_N. L. Britton. Indian Bread Root: W. M. Beauchamp. Geo-- - 
