Index. 
Vll 
Plates. XXI. 
XXII. 
XXIII. 
XXIV. 
XXV, XXVI. 
XXVII. 
XXVIII. 
XXIX. 
XXX. 
XXXI, XXXII. 
XXXIII, XXXIV. 
XXXV. 
XXXVI. 
XXXVII, XXXVIII. 
XXXIX, XL. 
XLI, XLII. 
XL1II. 
XLIV. 
XLV. 
XLVI, XLVII. 
XLVIII. 
XLIX-LIII. 
Seedling Structure of Araucaria Bidwillii (Shaw). 
Utricularia emarginata, Benj. (Chandler). 
Prophases of the Heterotypic Mitosis (Mottier). 
Structure and Development of the Ovule of Myrica Gale (Kershaw). 
Embryo-Sac and Embryo of certain Penaeaceae (Stephens). 
Mesostrobus, a New Genus of Lycopodiaceous Cones from the Lower Coal 
Measures, with a Note on the Systematic Position of Spencerites 
(Watson). 
Sexuality and Development of the Ascocarp in Ascophanus carneus, Pers. 
(Cutting). 
Vascular Structure of some Species of Gleichenia (Boodle and Hiley). 
Seedling Structure of Gymnosperms. Ill (Hill and de Fraine). 
Perception of Light in Plants (Wager). 
Observations on ‘Chromatin Bodies’ and their Relation to the Nucleolus in 
Galtonia candicans, Decsne (Digby). 
Development of the Fructification of Armillaria mucida, Schrad. (Fischer). 
Fertilization in Ephedra altissima (Berridge). 
Biology of Armillaria mucida, Schrader (Fischer). 
Further Studies on the Cytology of the Ascus (Fraser and Brooks). 
Cytological Studies on Oenothera. I. Pollen Development of Oenothera 
grandiflora (Davis). 
Coccomyxa subellipsoidea, a new member of the Palmellaceae (Acton). 
Botrydina vulgaris, Brebisson, a primitive Lichen (Acton). 
Occurrence of Centripetal Xylem in Equisetum (Eames) 
Lateral Roots of Amyelon radicans, Will., and their Mycorhiza (Osborn). 
Mucilage Glands of Undaria (Yendo). 
Life-History of Griffithsia Bornetiana (Lewis). 
b . Figures, i. 
2 . 
3 - 
4 - 
5 - 
6 . 
7 - 
8 . 
9 - 
io. 
i. 
3 - 
4 - 
5 - 
A, B. 
1. 
2 . 
I. 
2 . 
3 - 
4 - 
5 - 
6 . 
7 - 
PAGE 
Median longitudinal section of Physostoma elegans (Oliver) . . 76 
Transverse sections of Physostoma elegans (Oliver) .... 77 
Approximate positions of planes of section (Oliver) . . . .80 
Numerical variation of ribs in Physostoma and petals in Sempervivum 
Funkii (Oliver) 84 
Oblique section across tip of seed (Oliver) 86 
Tangential section through pollen-chamber (Oliver) . . . . 92 
Mr. Watson’s median section through pollen-chamber (Oliver) . . 92 
Pollen-grain of Physostoma (Oliver) 93 
Longitudinal sections of the apices of the ovules of Ginkgo, Cardio- 
carpus, and Physostoma (Oliver) . . . . . .107 
Longitudinal and transverse sections of Lagenostoma Lomaxii (Oliver) 109 
Position of ‘ flanks’ and ‘ bridge ’ in wheat endosperm (Brenchley) . 127 
Infilling of starch into wheat endosperm at different stages (Brenchley) 128 
Influx of starch into grain during development (Brenchley) . .130 
Development of plumule (Brenchley) 134 
Development of radicle and rootlets (Brenchley) . . . .136 
Fossombronia. C. Haplomitrium Hookeri (Horne) . . . 159 
Relation between number surviving and time (Harvey) . . .183 
Proportion between logarithm of concentration of poison and logarithm 
of time for poisoning (Harvey) . . . . . . .185 
Abies sibirica (Hill and de Fraine) .192 
Abies pectinata (Hill and de Fraine) 194 
Picea ajanensis (Hill and de Fraine) ...... 196 
Pinus australis (Hill and de Fraine) 202 
Pinus contorta, var. Murrayana (Hill and de Fraine) . . - 205 
Pinus montana, var. gallica (Hill and de Fraine) .... 206 
Pinus sylvestris (Hill and de Fraine) 208 
