INDEX 
38,3 
Stamens, histology of parts, 148-150 
hypogynous, 148 
indefinite, 148 
insertion of, 148 
monadelphous, 148 
perigynous, 148 
polyadelphous, 148 
proportions of, 148 
tetradynamous, 148 
triadelphous, 148 
Staphisagria, 275 
Staphylococcus, 175 
pyogenes aureus, 179 
Star Apple Family, 328 
Starch, 47 
assimilation, 47 
Buckwheat, 50 
Canna, 51 
Cassava, 51 
characteristics of commercial 
kinds, 49, 50 
Corn, 50 
Leguminous, 51 < j 
Maranta, 49 
Potato, 49 
Rice, 50 
Rye, 50 
reserve, 47 
structure and composition of, 49, 
5 ° 
Wheat, 50 
Stem, defined, 97 
direction of growth, 98 
distinction from root, 87 
functions,- 97 
generative tissues of, 98 
modification of, 98, 99 
Stems, above-ground, 99, 100 
aerial-tuberous, 99 
annual, 98 
ascending, 98 
biennial, 98 
cactoid, 99 
climbing, 99 
decumbent, 98 
Stems, duration of, 98 
elongation of, 98 
endogenous, 100, 101 
exceptional types of dicotyl, 106 
107 
exogenous, 100 
fruticose, 100 
herbaceous, 99 
histology of annual dicotyl, 101, 
102 
of perennial dicotyl, 104, 105 
of herbaceous monocotyl, 113 
of woody monocotyl, 114, 115 
perennial, 98 
phylloid, 99 
procumbent, 98 
reclining, 98 
repent, 98 
scandent, 99 
spiny, 99 
subterranean tuberous, 99 
suffruticose, 99 
tendriliform, 99 
Sterculiaceae, 309, 31 1 
Sterigmata, 31 1 
Sterigmatocystis niger, 210, 21 1 
Stevens, 54 
Stigma, 154 
defined, 157 
of animal pollinated flowers, 157 
of wind pollinated flowers, 157 
papillae of, 157 
Stillingia, 303 
sylvatica, 303 
Stink horn, 228 
Stipe, 213, 222 
Stipules, 1 19, 129 
axillary, 129 
caducous scaly, 129 
lateral, 129 
modified, 129, 130 
sepaline, 144 
Stomata, 71 
structure and development of, 
134-136 
