CONTENTS. 



Dichogamy, cither Proterandrous or Proterogynous .... 219 



Froiei-ou-yny 



Proterandry 



Particular Ailaptaiion- in Papilionaceous Flowers .... 



In Kalmia-blossoms, Iri>. &c 



Transportation of 1'ullinia 



In Orchidacese and Asclepiadaceae 231 



Heterogonous Dimorphism and Trimorphism L'-'ll 



3. ADAPTATIONS i <>u CLOSE FERTILIZATION 240 



Clei.-to.i:ainy 241 



SECTION V. THE PKIMANTII. OR THE CALYX AND COROLLA IN 



J'AKTK 1 |. Vlt 



Perianth as to Duration, Numerical Terms, Union, &c. , . . 



Parts of Petals and of Gamophyllous Perianth 245 



Forms of Corolla and Calyx 246 



SECTION VI. Tin: AN-HUCEC-ITM, OR STAMENS IN PARTICULAR . 2H 



The Stamen as a whole ; Numerical Terms iM'.i 



The Filament and the Anther; their Modifications .... 251 



Pollen 256 



Pollen-tubes 258 



SECTION VII. THE PISTILS, OR GTNOECIUM 259 



1. IN ANGIOSPERMS 259 



Carpel or Carpophyll . 260 



Ventral and Dorsal Sutures ; 1'lacenta 261 



Simple or Apocarpous Pistils -''''-' 



Compound or Syncarpous Pistil if''- 1 - 



With two or more Cells and Axile Placentae ; Partitions . . i-'i'-l 



With one Cell and Parietal Placentae 265 



With one Cell and I-W Central Placenta . '-'<'><'> 



Anomalous Placentation - (i ~ 



2. IN GYMNOSIM.UMS 268 



Structure in (Inetacea- -' ;;l 



Structure in Coniferse 270 



In the Yew Family 271 



In the Pine Tribe, &c _ -~- 



In the C\ pros Tribe 273 



Structure in Cycadaiva- 274 



SECTION \'I1I. Tin: Ovri.i; 276 



Its Structure and Position 277 



\\- Forms, ( >rthotropous, Campylotropous, Ampliitropous, 



Anairojious 278 



Origin and Morphological Nature of the Ovule 282 



of the Fmbryo 283 



