INDEX 
474 
Stamens, polyadelphous, 190 
proportions of, 189 
tetradynamous, 189 
triadelphous, 189 
Standardization of ocular micrometer, 
3i 
Staphisagria, 325 
Staphylococcus, 220, 222 
pyogenes aureus, 224 
Star Apple Family, 380 
Starch, 75 
assimilation, 75 
Barley, 78, 79 
Bean, 80, 81 
Buckwheat, 79 
Canna; 81 
Cassava, 80, 81 
characteristics of commercial 
kinds, 77-81 
compound grains, 77 
Corn, 79, 80 
fill, 77 
Maranta, 78, 79 
Pea, 80, 81 
Potato, 78, 79 
Rice, 79, 80 
Rye, 78 , 79 
Sago, 78, 81 
reserve, 76 
structure and composition of, 76 
Wheat, 78, 79 
Steckbeck, 68 
Stem, defined, 136 
direction of growth, 137 
distinction from root, 123 
functions, 136 
generative tissues of, 137 
modification of, 137, 138 
Stemonitis fusca, 230 
Stems, above-ground, 138 
aerial-tuberous, 137 
annual, 137, 138 
ascending, 137 
biennial, 137 
Stems, cactoid, 138 
climbing, 138 
decumbent, 137 
duration of, 137 
elongation of, 137 
endogenous, 139, 140 
exceptional types of dicotyl, 145, 
146 
exogenous, 139 
fruticose, 138 
herbaceous, 138 
histology of annual dicotyl, 140- 
142 
of perennial dicotyl, 143-145 
of herbaceous monocotyl, 152 
of woody monocotyl, 153, 154 
perennial, 138 
phylloid, 138 
procumbent, 137 
reclining, 137 
repent, 137 
scandent, 138 
size of, 136 
spiny, 137 
subterranean tuberous, 138 
suffruticose, 138 
tendriliform, 137 
twining, 137 
underground, 139 
Sterculiaceae, 361 
Sterigmata, 258, 259, 266 
Sterigmatocystis niger, 264 
Stevens, 85 
Stigma, 196, 199 
defined, 199 
of animal pollinated flowers, 199 
of wind pollinated flowers, 199 
papillae of, 199 
Stillingia, 355 
sylvatica, 355 
Stimuli, extrinsic, 62 
intrinsic, 62 
Stink horn, 279 
Stipe, 265, 274, 290 
