. 251 
REVIEWS. 
The Ferns of South Africa: containing Hoh denis and Figures 
of the Ferns sac! Fern Allies of South Africa. By Tuomas 
R. Sim. Second edition. Demy 8vo, pp. x. + 384; 186 
plates. Price 25. s. net. Cambridge Golvenats Press. 
new and enlarged edition of a book which made its first 
its predecessor, of w a notice appeared in this Journal for 
189 2 uring the period that has elapsed, the author has 
continued his investigations: a supplement to the book was 
ublished in ae and this, with more recent observations, is 
u 
valleys, as well as the Mein bree sone be expected to yield 
further novelties. In additi o his own discoveries, Mr. Sim 
includes the ferns collected i ve "Gazaland 3 in 1 y Mr. C. F. M. 
Swynnerton, enumerated by Mr. Gepp in Journ. Linn. Soe. (Bot.) 
xl. 237-244, and those published by Dr. J. Medley Wood in his 
Handbook to the Flora of Natal (1907), as well as information 
from other sources. 
he-nomenclature, which in the apien edition followed that of 
Hooker & Baker’s Synopsis Filicum, now follows with very pre 
variation Carl Christensen’s Index Pilicins (1905-6), which wa 
accepted as the authority for fern nomenclature by the Br siadels 
Caress (1910) and to the value of which "Me Sim pays a 
deservedly high tribute. The introductory chapters, reproduced 
in 1892 from the author's Handbook of the Ferns of Kaffraria 
(1891), are, metatis mutandis, retained; in his notice of this work 
(Journ. Bot. 1891, 253) Mr. J. G. Baker suggested the more 
complete enumeration which has now been carried out so 
satisfactorily. The careful descriptions are coal e = by a 
full synonymy and a detailed geographical distribut Four 
new species are described and figure ymen. opyliam uncina- 
tum, erage Eylesti, Pellea Swynnertoniana "Trot Mr. 
Gepp to P. calomelanos), and Notholena bipinna Poin well as 
um w name for 
plant originally deseri ibed as a a The genus Marsilia 
is now represented by only one species, M. macrocarpa, to which 
the four admitted in the first editioit are now reduc 
oe e Vy 
University Pres are surprised, however, that 
pointed out to the Katie the desirability of making intelligent 
f the page-headings, which here as in the former issue run 
;  throaghout the descriptive portion as “ descriptions of species. 
It is always a matter of astonishment to us to find that head- 
space which, as in the various colonial floras, can . so usefully 
employed to indicate what is below it, should be wasted in this 
