192 
Rue, 66 
Runner, 25, 156 
Rupture, 30 
Rupture, of tissues, 23 
Ruscus (see Butcher’s broom) 
Rush, 55, 93, 117, 120, 165 
s 
SACOATE, 85, 88 
Saffron, 138 
Sage, 86, 96, 97, 100, 105, 169 
Sagittate, 58 
St. John’s wort, 66, 94 
Salts, 3, 4, 9, 10, 71, 173 
Salver-shaped, 89, 118, 125 
Samara, 137 
Sand, 173 
Saprophyte, 3, 64, 71 
Sap, 8, 38, 130; ascending or crude, 41, 42, 
67, 713; course of, 41-42; elaborated, 
42, 67 (see Cell-sap) 
Sap-wood, 38, 42 
Sarracenia, 54, 71 
Saucer-shaped, 89 
Sawdust, 173 
Saxifrage, 100 
Scabious, 170 
Scale, 28, 64, 98, 99, ror, 163, 165 (see Scale- 
leaf 
ea 
Scale-leaf, 46, 61, 64, 67; description of, 
157, 160 
Scalpel, 29, 74 
Scaly, 78, 86, 163 
Scape, 76, 112 
Scar, 132 (see Leaf-scar) 
Scarlet pimpernel, 138, 170 
Scarlet runner, 25, 53, 59, 64, 72, 127 
Scattered, 48, 49, 112, 166, 167, 168, 169, 170 
Schizocarp, 137 
Sclerenchyma, 33, 34, 36, 41, 66 
Scorpioid cyme, 80 
Scotch fir (see Fir) 
Scrophularia, 169 
Scrophulariaceze, 169 
Scutellum, 133, 143 
Sea-squirt, 4 
Secondary ; bast, 37; leaflet, 61; lobe, 59; 
root, 13; stem, 21; wood, 37 
Secretion, 66 
Secretory reservoir, 66 
Section ; cross-s, (see Transverse s.) ; longi- 
tudinal s., 30, 107, 160 ; preparation of, 
172-173; radial s., 30, 32, 33, 38; tan- 
gential s., 30, 38; transverse s., 30, 31, 
38, 40, 98, 106, 160 
Section-cutting, 172 
Secundine, 108 
Sedges, 21, 26, 50, 53, 117, 118, 120, 142, 160, 
165 
Seed, 7, 67, 68, 75, 86, 102, 109, 115, 136, 137, 
139, 163, 164, 171, 1733 description of, 
158, 162; distribution of, 140-142; exa- 
mination questions on, 177 ; germina- 
tion of, 142-143; morphology of, 132- 
135 ; physiology of, 140-143 ; protection 
oI, 140 
Seed-coat, 132, 134, 136, 137, 139, 140, 142, 
143 
Seedling, 19-20, 44, 50, 54, 61, 68 
Segmented, 58 
Self-pollination, 115, 120, 125, 126, 127, 129, 
131 
INDEX. 
Self-sterile, 115, 123, 130 
Sensitiveness, 3 (see Irritability) 
Sensitive plant, 3, 53, 72 
Sepal, 74, 75, 82, 83-86, 87, 88, 103, 110, 118, 
I25, 12 : 
Septicidal, 137, 138 
Septifragal, 138 
Series, 21, 162, 163, 164, 165, 166, 168, 169, 
170; linear s., 2 
Serrate, 58 
Sessile, 52, 58, 59, 63, 96, 103, 117, 122, 157 
Setose, 28 
Seven, 6z 
Shadow, 54 
Shape (see Form) 
Sheath, 53, 63, 64, 76, 163, 164 ; description 
of, 157 
Sheathing, 55, 63, 84, 169 
Shepherd’s purse, 28, 76, 83, 85, 105, 109, 
137, 167 
Shoot, 19, 22, 25, 26, 40, 41, 42) 43, 44, 46, 
54, 61, 68, 70, 71, 74, 75, 76, 80, 92, 99, 
I0Q, 132) 173 
Shortening, of root, 19 
Short-styled, r25 
Shrub, 23, 48, 156, 166, 169 
Sieve-plate, 31, 33 
Sieve-tube, 31, 33, 34, 35, 36, 67 
Silica, 67 
Silicula, 137 
Siliqua, 137, 141, 167 
Silky, 28 
Silphium, 55 
Silver grain, 38 
Silverweed, 62 
Simple, 59, 76, 78, 79 
Six, 82, 93, 94, 98, 99, 117, 123 
Size, of plants, 23, 156 
Skeleton leaves, 8 
Sleep, of plants, 72 
Slecpii aaa II 
1d€8, 171-173 
Slit, 124 
Sloe, 28, 169 
Slugs, 41 
Small-flowered geranium, 120 
Smooth, 156 (see Glabrous) 
Snails, 41, rz 
Snapdragon, 77, 87, 90, 94; 95, 96, 97, 113; 
128, 138, 169 
Snowberry, 104 
Snowdrop, 21, 76, 83, 86, 93, 94, 98, tor, 105, 
113, 123, 166 
Sodium, 173 
Soft-bodied insects, 111 
Soil, 17, 19, 45, 141, 142 
Solid, 23, 156 
Solomon’s seal, 26 
Solution, of food, 10, 17, 18, 69; how to 
prepare, 173 
Sorrel, 64, 117, 166 
South, 55 
Sowbread (see Cyclamen) 
Spadiciflore, 163, 164-165 
Spadix, 78, 99, 120, 125, 163, 164 
Spanish chestnut (see Chestnut) 
Sparganium, 165 
Spathe, 76, 120, 125, 164 
Species, 21 
Speedwell, 89, 94, 95, 169 
Spike, 77, 78, 117, 118, 163, 166 
Spikelet, 117, 163 
