BOOK-NOTES, NEWS, ETC. 39 
a cells of the primary cortex. The cambium for 
cortex externally and secondary phloem isherdaihg. 
are continuous with those of the leaf-traces. The roots, the 
— bundle of which is collateral — with sicersiod 
toxylem, are arranged in a very regular manner on the root- 
aS organ of the plant. The primary mera of the imac 
proceeds from a primary meristem situat pany three radiating 
lines corresponding with the furrows of the caudex. The primary 
and secondary tissues of the rhizophore are ssatesbiglis similar 7 
the corresponding tissues of the stem and therefore need n 
further ie on 
Tae second number of the Annals of the Bolus we ptenelt 
(Oandwidge University Press, 5s. net) contains illustrated papers 
by the editor, Dr. H. H. W. Pearson, on the internal temperature 
of Euphorbia virosa and Aloe dichotoma, and by Mr. W. C. Wors- 
dell on the stem-anatomy of these plants. Messrs. L. and = 
Bolus and R. L. Glover continue the enumeration of the plan 
collected on the Great Karasberg by the Percy Sladen Monotg ‘ 
Expedition in 1912-13, and the first-named describes two new 
ert 
as are also those of species in the Great Karasberg enumera- 
tion, although no selina to these is made in the text—a some- 
what inconvenient o 
genus of marine alge, and of its allies Gloacehtion & and Pseudo- 
dt aE latter a new genus. It cis inter ss to note that 
rare. 
blished it in cel but in fron meantime the plant had been set 
up as a new gen in by Montague (1842) and Myclo- 
mium, by Ritzing (1843).  Broleeset Setchell Sein eleven 
species, five of which are new to science. In tloiophloea he 
places seven species, four of which are new to science; and i i 
Pseudoscinaia two species, both new. He gives full diagnoses 
and synonymy of y cies, followed br important critical 
distribution. Scinata <a to esse ly a northern hemi- 
sphere type, since nine of its eleven peta are con a 
. north of the Equator, and these represent all the various 
types of structure P lerinee the genus. Gloiophloea and Pseudo- 
Denis have each an equal number of species in each hemisphere. 
The paper is a valOat e addition to algological literature; and 
the numerous figures showing differences of structure in the 
species should be of great assistance in the determination of 
species.—A. & E. 8. G. 
