CONTENTS XV11 



PAGES 



THE LAMINA. Definition. Mode of Development of the Lamina 

 of Leaves: Dorsoventral; convergent; centric; bifacial; re- 

 versed; ob-dorso ventral. A. Dorsoventral: (a) Dorsoventral 

 Umbrophytic; (&) Dorsoventral Mesophytic; (c) Dorsoventral 

 Xerophytic; (d) Dorsoventral Hydrophytic. Gross Structure 

 and Histology of Different Types of Dorsoventral Leaf Blades. 

 Gross Structure and Histology of the following types: B. 

 Convergent; C. Centric; D. Bifacial 160-173 



STRUCTURE AND DEVELOPMENT OF STOMATA 173-176 



HISTOLOGIC DIFFERENCES BETWEEN LEAVES OF DICOTY- 

 LEDONS AND MONOCOTYLEDONS 176 



INFLORESCENCE. Definition; Parts of Inflorescences; Determi- 

 nate; Indeterminate; Mixed Forms of Indeterminate and 

 Determinate Inflorescences 177-180 



PR^EFLORATION. Convolute; involute; re volute; plicate; imbricate; 



valvate; vexillary; contorted 180 



THE FLOWER. Definition; floral parts; essential organs; complete; 

 perfect; hermaphrodite; regular; symmetrical; imperfect; 

 double; staminate; pistillate; neutral; connation; adnation. . 181-183 



THE RECEPTACLE, TORUS OR THALAMUS Definition; varia- 

 tions in structure; anthophore; gonophore; gynophore; carpo- 

 phore 183 



THE PERIGONE. Definition; dichlamydeous; monochlamydeous . 183 



THE CALYX. Definition; parts; physical characteristics; connation; 

 kinds and forms; persistence; adnation; sepaline spurs; sepaline 

 stipules; sepaline position 183-185 



THE COROLLA. Definition; parts; physical characteristics; func- 



*. tions. Forms of the Corolla and Perianth 185-188 



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 188-195 



