292 . INDEX. 
Secondary ribs, 83 Squame, 66 
xylem rays, 228 St. Gall, 24, 27 
Secreting cells, 244 Stamen, 67 
Secretion, receptacles of, 251 Staminodia, 71, 75 
receptacles of, formed by cell Starch, 108 
fusion, 263 assimilated, 108, 120 
receptacles of, intercellular, autochthonous, 108 
263 bean, 114 
Secretions, 134, 242 cellulose, 121 
organs of, 242 composition of, 121 
schizogenous receptacles for, formation of, 111, 119 
254 granules, compound, 111 
Seed, 87 granules, corroded, 121 
appendages of the, 90 granules, form of, 112 
integuments of, 87 granules, size of, 123 
nucleus of, 87 hilum of, 109 
shell, 87 lichen, 123 
testa, 87 maize, 112, 116 
vessel, 86 maranta, 115 
yield of, 74 nucleus of, 109 
Sepals, 67, 68 oat, 117 
Septicidal, 85 paths of, 119 
Septifragal, 85 — potato, 112, 114 
Serapion, 23 reserve, 108 
Sertiirner, 39 rice, 112, 117 
Sheath, 66, 79 sago, 113 
nucleus, 202 sheath, 120, 206, 231 
Sieve plates, 231 transitory, 120 
- portion of vascular bundle, 213 wheat, 112, 115 
tubes, 217, 231 Stearic acid, 106 
Silica, skeleton of, 145 Stearin, 135 
Siliqua, 84 Stellate hairs, 182 
Silicium, 144 Stem, 61 
Soda, caustic, 271 organs of, 60 
Sodium, 144 structures, 60 
hydroxide, 271 structures, form of transverse 
Soft bast, 231 section, 61 
Solitar, 99 summit of, 64, 174 
Spaces, intercellular, 174, 235 Stereids, 194 
Si J Stereom, 194 
Spathe, 79 Stigma, 73 
oe mechanical elements, papillze of, 73 
Stinging hairs, 182 
Secceons of chlorophyll, 101 Stipites, 61 
of leaf, 101 Stipule, 66 
stals, 111, 126 Stipules, 66 
Stolons, 57 
ike, Stoma, 239 
a veeney aay Stomata, 238 
Stone cells, 156, 158, 171, 200 
fruits, 86 2 
ores, | Ponce stn - 
Spring-wood, 221 ets on, 
