168 
Foxglove pollination, 52; 
biennial, 110 
Fruit, dehiscence, 67; Herb 
Robert, 119-28; Storksbill, 
150-1 
Fruits, closing when wet, 67; 
opening when wet, 70 
Fungi, 107; on Cranesbills, 139 
G 
Gallic acid, Herb Robert, 106 
Galls, 106-7 
Gardening as a recreation, 99- 
100 
Geranium cuttings, 43 
British species, flowers and 
pollination, 162; seeds and 
first-instance dispersal, 163 
columbinum. See Cranesbill, 
Long-stalked 
dissectum. See Cranesbill, 
Cut-leaved 
lucidum. See Cranesbill, 
Shining 
molle. See Dovesfoot 
pheum. See Cranesbill, 
Dusky 
pratense. See Cranesbill, 
Meadow 
pusilum. See Dovesfoot, 
small 
pyrenaicum. See Cranesbill, 
Mountain 
Robertianum. See Herb 
Robert 
var. purpureum. See Herb 
Robert, shingle variety 
rotundifolium. See Cranesbill, 
Round-leaved 
sanguineum. See Cranesbill, 
Bloody 
var. lancastriense. See Cranes- 
bill, Bloody 
sylvaticum. See Cranesbill, 
Wood 
Germination, necessities for suc- 
cessful, 79-81 
Glandular hairs. See Hairs 
Goat moth, food, 26 

INDEX 
Goatsbeard, fungus, 107 
Gorse, spines, 27, 34; coherent 
stamens, 47; dispersal, 76-7 
Grappling-hooks of Bramble, 38 
Grass, Rye, leaf margin, 28 ; 
silica, 28 
Grasses, wind pollinated, 50 
Great Yellow Maullein. 
Mullein 
Great Yellow-underwing. See 
Yellow-underwing 
Greenfly, 26, 100, 
budding, 43 
Groundsel, Common, glandular 
hairs, 27; competition between 
the seedlings, 35; dispersal, 
65, 67, 76 
Growth, 18-20, 137; mutual 
relations with respiration and 
nutrition, 19 
See 
120, 154; 
H 
Hairs, protection by, 22—4, 26-7, 
100-2; glandular, 27, 100, 
113, 119 
Hawthorn, spines, 27 ; dispersal, 
73, 76 
Hazel, wind pollinated, 
catkins, 51; stigmas, 51 
Hemlock poisonous, 30 
Henbane poisonous, 30 
Herb Robert (Geranium Roberti- 
anum), life-history, 90-130; 
names, 90—1 ; roots and leaves 
90-111; seedling, 92-5; pe- 
tiole, 97; water-pipes, 96-7 ; 
stump of leaf-stalk, 97-8; 
hairs, 100-2; tannin and 
gallic acid, 106; disease, 
107-8; duration, 110; rest, 
110-1, 129-30; evergreen, 
110; flowers and seeds, 112— 
30; pollen grains, 113-4 ; 
protection of pollen, 112, 1138, 
119; protection of flower, 
118-9; ripening of fruit, 120 ; 
number of seeds, 121; food 
reserve in seeds, 121; threads 
on seed, 123-9; dispersal, 
bits 
