190 
Uniola, 97 
Upright Brome—Bromus erectus. 
Also B. madritensis 
Uses of grasses, 1, 2 
V-shaped leaf-sections, 20, 53, 73 
Vagabond grasses, 29, 32, 34 
Variability, 26 
Vascular bundles, 21, 22, 62, 63, 
64, 65, 66, 67, 68, 69, 70, 71, 75, 
76, 78, 80, 81 
Vascular-bundle 
122 
Vegetative organs, 4 
Veins, 18, 21, 22, 68, 76,91 
Venation, 21, 62, 67, 68 
Vermin, 35 
Vernal grass—Anthoxanthum, 83 
Vernation—folding of the leaves in 
bud, 21 
Versatile—hung loosely so as to 
turn freely, 94 
Vessels, 67 
Violet-brown sheath, 18 
Viviparous grasses, 112, 114, 134 
Vulpia Myurus—Festuca Myurus ; 
V. uniglumis—Festuca uniglumis 
sheath, 68, 99, 
Wall Barley—Hordeum murinum 
Wall Fescue—Festuca Myurus 
Walls, grasses of, 29 
Waste-places, 29 
Water-storing tissues, 36, 70 
Water Whorl-grass — Catabrosa 
aquatica 
Wavy Hair-grass—dira flexuosa 
Wavy Meadow-grass—Poa lara 
Wax, 36, 70 
INDEX, GLOSSARY, AND SYNONYMS 
Web—minute tufted soft hairs at 
the base of the caryopsis, 113, 
114, 127, 131, 138, 139, 140, 
141 
Weeds, 27, 28, 29, 35 
Wheat—Triticum, 1, 120, 127, 132, 
133 
Wheat-grass—A gropyrum 
Whorl-grass—Catabrosa 
Wild Oat—Avena fatua, 117 
Wind-borne seeds, 125, 126 
Wings, 125, 142 
Wood Barlev—Hordzum sylvaticum 
Wood False-Brome—Brachy podium 
sylvaticum 
Wood Meadow-grass—Poa nemo- 
ralis 
Wood Melick—WMelica uniflora 
Wood Poa—Poa nemoralis 
Wood-species, 28, 33 
Woolly Holeus—Holcus lanatus 
Xenia—cases where the direct 
infinence of the pollen is evident 
on the seed resulting from its 
action, 120 
Xerophilous—of the nature of a 
xerophyte, 70 
Xerophytes—plants adapted to dry 
situations, 24, 25, 36, 37, 38, 68, 
70 
Xylem, 67 
Yellow Oat-grass—Avena flavescens 
Yellow-sheathed grasses, 18 
Yorkshire Fog—Holcus lanatus, 152 
Zostera, 3 
CAMBRIDGE: PRINTED BY J. AND C. F. CLAY, AT THE UNIVERSITY PRESS. 
