(V.) 
Pteridosperms and Angiosperms (Fig. 32)—F. W. Oliver 232 
llachiopteris corrugata, On the Tyloses of (Figs. 12 and 13) 
—F. E. Weiss . 82 
Reduction Division in Plants, Recent Work on the—Agnes 
Robertson ... ... .. ... ... ... 9 
Reviews :— 
American Fossil Cycads (Wieland)—W.C.W. ... 242 
Botany for Young People (Stopes) ... .. ... 195 
Two Recent Ecological Papers [Ecology of Woodland 
Plants (Woodhead), Vegetation of the Mesa 
Region (Shantz)j—A.G.T. ... ... ... ... 219 
The Nucleus of the Yeast Plant (Mutchler) ... ... 250 
Some General Aspects of the Algae (Oltmanns’ Mor¬ 
phologic und Biologie der Algen, Allgemeiner Teil 
—A.G.T. ... ‘.' . 34 
Toadstools at Home (Hastings) ... ... ... 196 
The Vegetation of the Scottish Highlands (Esquisse 
de lageographie et de la vegetation des Highlands 
d’Ecosse, par Marcel Hardy)—A.G.T. .. ... 98 
Rhodesia, see Some Aspects of the Vegetation of South 
Africa, Part Ill. ... ... ... ... ... 93 
Roots of Monocotyledons ... ... ... ... ... 97, 119 
Secondary Thickening in Pteridophyta—A Resume— 
(T.G.H.) .. 208 
Seedlings (Palm-), Transition from Stem to Root in 
(Figs. 4 —10)—Eric Drabble ... ... ... 56 
“ Sexuality” of the Mucorineae, The—V. H. Blackman ... 215 
Sketches of Vegetation at Home and Abroad : — 
11. Some Aspects of the Vegetation of South Africa 
— F. E. Weiss. Part II.—Natal and the Trans¬ 
vaal (Plates I. and II. and Figs. 1—3) ... ... 1 
Part III.—Rhodesia and the Victoria Falls ... 93 
III. The “ Karroo” in August. Plates V.—VII. and 
Figs. 15—23—F. E. Weiss and R. H. Yapp ... 101 
Solatium tuberosum, On Abnormal Flowers of (Fig. 11)— 
Daisy G. Scott ... ... ... ... ... 77 
Sphenophyllum Dawsoni, On a Suggestion of Heterospory 
in (Fig. 14)—D. Thoday ... ... ... ... 91 
Stimuli, Associated—Francis Darwin ... ... ... 199 
