CONTENTS 
XV 
Pages 
THE COROLLA. — Definition; parts; physical characteristics; func- 
tions. Forms of the Corolla and Perianth 145-147 
THE ANDRCECIUM OR STAMEN SYSTEM.— Definition; parts; 
terms denoting number of stamens in flower; insertion of sta- 
mens; proportions of stamens; connation of stamens; stamen 
color. Gross Structure and Histology of the Filament. Gross 
Structure and Histology of the Anther. Anther Dehiscence. 
Development of the Anther. Attachment of Anther. 
Pollen: description; forms 147-154 
THE GYNCECIUM OR PISTIL SYSTEM.— Definition; Gymno- 
spermous and Angiospermous; parts; the pistil a modified leaf; 
carpel; dehiscence; apocarpous and syncarpous pistils; terms 
denoting the number of carpels entering into the formation of 
the pistil; compound pistils; ovules or megasori as trans- 
formed buds; position of ovules in ovary; Gymnospermous 
and Angiospermous ovules; structure of Angiospermous ovule; 
shape of ovule 154-156 
THE PLACENTA. — Definition; types of placenta arrangement. . . . 156 
THE STYLE. — Definition; style-arms; relation to carpels forming the 
gynoecium; variations from typical stylar development . . .156-157 
THE STIGMA. — Definition; forms in wind- and animal-pollinated flow- 
ers; stigmatic papillae 157-158 
POLLINATION. — Definition; Close and Cross Pollination; terms 
applied to plants pollinated by various agencies 158 
MATURATION OF THE POLLEN GRAIN AND FORMATION OF 
MALE GAMETOPHYTE 158-159 
MATURATION OF THE EMBRYO SAC AND FORMATION OF 
THE FEMALE GAMETOPHYTE ico 
FERTILIZATION IN ANGIOSPERMS. — Process; formation of 
embryo and endosperm 
THE FRUIT. — Definition; modifications 160 
FRUIT STRUCTURE. — Pericarp; pseudocarp; anthocarp; epicarp; 
mesocarp; endocarp; sarcocarp; putamen; sutures; valves; 
dehiscence r 60-1 61 
CLASSIFICATION OF FRUITS. — Simple; Aggregate; Multiple; dry 
dehiscent; dry indehiscent; fleshy indehiscent. Forms of 
Simple Fruits: capsular; schizocarpic; achenial; baccate; drup- 
aceous. Etaerio. Forms of Multiple Fruits: strobile or cone; 
sorosis; syconium; galbalus 161-166 
