Index to Vols. XI— XX. 41 
Vibrissea ochroleuca, description (*), xi. 262. 
— rimarum, description, xi. 263. 
— truncorum, description (*), xi. 260. 
var. albipes , description (*), xi. 260. 
— vermicularis, description, xi. 263. 
Vicia Faba, proteolytic action in germinating 
seeds of, xvi. 1 2 ; xx. 1 1 5. 
- — proteases of seeds of, xx. 1 15, 118. 
Vines, S. H. — On Leptomin, xv. 181. 
— Proteolytic Enzymes in Plants, I. xvii. 
237. 
— Id. II. xvii. 597. 
— ■ The Proteolytic Enzymes of Nepenthes, 
I. xi. 563. 
— Id II. xii. 545. 
— ^ Id. III. xv. 563. 
— The Proteases of Plants, I. xviii. 289. 
— Id. IT. xix. 149. 
— Id. III. xix. 17 1. 
— Id. IV. xx. 1 1 3. 
— Tryptophane in Proteolysis, xvi. 1. 
Vitality of seeds, estimation of by an elec- 
trical method, xv. 427. 
Volvocineae, evolution and polymorphism, 
xi. 103. 
W. 
Wager, H. — On the Fertilization of Perono- 
spora parasitica (Plate XVI), xiv. 263. 
— The Nucleolus and Nuclear Division in 
the Root-apex of Phaseolus (Plate V), 
xviii. 29. 
— The Nucleus of the Yeast Plant (Plates 
XXIX and XXX), xii. 499. 
— The Sexuality of the Fungi, xiii. 575. 
Wallace, W. — On the Stem-structure 
of Actinostemma biglandulosa (Plate 
XXXIV), xiv. 639. 
Waller, A. D. — An Attempt to estimate 
the Vitality of Seeds by an Electrical 
Method, xv. 427. 
Watson, W. — Germination of Seeds of 
Bertholletia excelsa (Plates IV and V), 
xv. 99. 
Weiss, F. E. — A Mycorhiza from the Lower 
Coal Measures (Plates XVIII and XIX 
and one text-figure) (+), xviii. 255. 
— The Vascular Branches of Stigmarian 
Rootlets (Plate XXVI) (t), xvi. 559. 
— The Vascular Supply of Stigmarian 
Rootlets (one text-figure) (f), xviii. 180. 
West, W., and West, G. S. — Observations 
on the Conjugatae (Plates IV and V), xii. 2 9. 
Wigglesworth, G. — The Cotyledons of 
Ginkgo biloba and Cycas revoluta (one 
text-figure), xvii. 789. 
— The Papillae in the Epidermoidal Layer 
of the Calamitean Root (three text-figures) 
(t), xviii. 645. 
Wild, G., and Lomax, J. — A new Cardio- 
carpon-bearing Strobilus (+), xiv. 160. 
Williams, J. Lloyd. — N ew Fucus Hybrids, 
xiii. 187. 
Williams, J. Lloyd.— R eproduction in 
Dictyota dichotoma, xii. 559. 
— Studies in the Dictyotaceae, I. The 
Cytology of the Tetrasporangium and the 
Germinating Tetraspore (Plates IX and 
X), xviii. 1 4 1. 
— Id. II. The Cytology of the Gameto- 
phyte Generation (Plates XII-XIV), 
xviii. 183. 
— Id. III. The Periodicity of the Sexual 
Cells in Dictyota dichotoma (six text- 
figures), xix. 531. 
— The Antherozoids of Dictyota and Taonia 
(Plate XXV), xi. 545. 
Willis, J. C. — On the Dorsiventrality of 
the Podostemaceae, with reference to 
current views on Evolution, xvi. 593. 
— and Burkill, I. H.— Flowers and Insects 
in Great Britain. Part II. Observations 
on the Natural Orders Dipsaceae, Plum- 
baginaceae, Compositae, Umbelliferae, and 
Cornaceae, made in the Clova Mountains, 
xvii. 313. 
Id. Part III. Observations on the 
most Specialized Flowers of the Clova 
Mountains, xvii. 539. 
Willow, change in sex of, xii. 557. 
AVind, dispersal of seeds by, xix. 351. 
Wolfe, J. J. — Cytological Studies in 
Nemalion (Plates XL and XLI and one 
text-figure), xviii. 607. 
Wood - destroying Fungus, Penicillium as 
a, xii. 565. 
Worsdell, W. C. — Observations on the 
Vascular System of the Female ‘ Flowers ’ 
of Coniferae (Plate XXVII), xiii. 527. 
— The Affinities of the Mesozoic Fossil, 
Bennettites Gibsonianus (t), xiv. 717. 
— The Anatomical Structure of Bowenia 
spectabilis, xiv. 159. 
— The Morphology of the ‘Flowers’ of 
Cephalotaxus (Plate XXXV), xv. 637. 
— The Morphology of Sporangial Integu- 
ments, xvi. 596. 
— The Nature of the Vascular System of 
the Stem in certain Dicotyledonous 
Orders, xvi. 599. 
— The Structure and Morphology of the 
‘ Ovule. 5 An Historical Sketch (twenty- 
seven text-figures), xviii. 57. 
-- The Structure and Origin of the Cyca- 
daceae (seventeen text-figures), xx. 129. 
— The Structure of the Female ( Flower’ 
in Coniferae. An Historical Study (seven 
text-figures), xiv. 39. 
— The Vascular Structure of the ‘ Flowers ’ 
of the Gnetaceae (one text-figure), xv. 
766. 
— The Vascular Structure of the Ovule of 
Cephalotaxus, xiv. 317. 
— The Vascular Structure of the Sporo- 
phylls of the Cycadaceae (Plates XATI 
and XVIII), xii. 203. 
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