Index . 
Vll 
Plates. XVIII, XIX. 
XX. 
XXL 
XXII-XXXII. 
XXXIII, XXXIV. 
XXXV, XXXVI. 
XXXVII. 
XXXVIII. 
XXXIX, XL. 
XLI, XLII. 
XLIII, XLIV. 
XLV. 
XLVI-XLVIII. 
XLIX. 
L, LI. 
Cytology of Allium (Reed). 
Araucarioxylon (Stopes). 
Osmunda (Gwynne-Vaughan). 
Blechnum, &c. (Bower). 
Cytology of the Chroococcaceae (Acton). 
Sporodinia (Keene). 
Jurassic Osmundaceae (Sinnott). 
Ulodendroid Scar (Watson). 
Herbaceous Angiosperms (Sinnott and Bailey). 
Dark- ground Illumination (Price). 
Meiosis in Vicia (Gwynne-Vaughan). 
Ostenfeldiella (Ferdinandsen and Winge). 
Macroglossum (Campbell). 
Indian Selaginellas (Bancroft). 
Seedling Anatomy (Thomas). 
b. Figures. 1,2. Embryo of Helminthostachys (Lang) 
3* 
4- 
5- 
6 . 
J -3- 
4-9* 
10-15. 
16, 17. 
18-22. 
23- 
24-27. 
28-33. 
Basal region of a young plant of Helminthostachys (Lang) 
A young plant of Helminthostachys (Lang) 
Trigonocarpus Shorensis (Salisbury) 
Seeds of Trigonocarpeae (Salisbury) 
Trigonocarpus clavatus (Arber) 
Cornucarpus acutus (Arber) . 
Cardiocarpus congruens (Arber) 
Samaropsis crassus (Arber) 
Samaropsis emarginatus (Arber) 
Samaropsis subacuta (Arber) . 
Cordaicarpus areolatus (Arber) 
Radiospermum inflatum (Arber) 
A recording transpirometer (Blackman and Paine) 
a }> a >> 
The respiration of plants (Knight and Priestley) 
Equisetum debile (Kashyap) 
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