54 SYMPETALAE 



Stem herbaceous or woody at the base only, rarely throughout, but 

 then flowers 5-nierous. Leaves exstipulate. . . 199. Gentianaceae. 



600. Stamens 7 — 18, with united filaments. Placentas 3 — 5 601 



Stamens 23 or more, with free filaments. Leaves undivided. . . 602 



601. Sepals 3. Corolla-lobes 4 — 6. Stamens 7^9 or 14 — 18. Anthers 



opening outwards Cinnamosma, 157. Winteranaceae. 



Sepals 4 — 5. Corolla-lobes 4 — 5. Stamens 8—10. Anthers opening 

 inwards or laterally 118. Meliaceae. 



602. Corolla-lobes 6. Sepals 3. Filaments and styles very short. Placentas 



numerous, confluent. Albumen abundant, ruminate. 81. Anonaceae. 

 Corolla-lobes 11^ — 14. Sepals 2 — 4. Filaments and styles long. Placentas 

 2, two-cleft. Albumen scanty, uniform. 



Hoplestigma, 194. Hoplestigmataceae. 



603. (588.) Stamens as many as the corolla-lobes, 3 — 5. Fruit a capsule. 



Herbs or undershrubs 162. Achariaceae. 



Stamens twice as many as the corolla-lobes, 10. Fruit a berry. Trees 



Carica, 163. Caricaceae. 



604. (553.) Ovary 2-celled 605 



Ovary 3- or more-celled 669 



605. Ovules solitary in each ovary-cell 606 



Ovules 2 or more in each ovary-cell 621 



606. Ovules erect or ascending 607 



Ovules pendulous, descending, or horizontal 611 



607. Fertile stamens 2 or 4 608 



Fertile stamens 5 or 6 609 



608. Seeds borne on a hook-like outgrowth of the funicle, exalbuminous. Fruit 



capsular 216. Acanthaceae. 



Seeds not on a hook-like outgrowth of the funicle. 205. Verbenaceae. 



609. Stamens opposite the divisions of the corolla. Anthers opening out- 



wards. Stigma I. Trees or shrubs 193. Sapotaceae. 



Stamens alternate with the divisions of the corolla. Anthers opening 

 inwards 610 



610. Stigma I. Corolla with imbricate or contorted aestivation. Seeds 



exalburninous. Herbs. Leaves alternate, exstipulate. 



Rochelia, 204. Borraginaceae. 

 Stigmas 2. Corolla with valvate aestivation. Seeds albuminous. Trees 

 or shrubs. Leaves opposite or whorled, stipulate. 



Gaertnera, 219. Rubiaceae. 



611. (606.) Fertile stamens 2 or 4 612 



Fertile stamens 5 or more 618 



612. Stamens 4, free from the corolla. Corolla regular or nearly so, 2 — 4- 



lobed. Seeds with abundant albumen 189. Ericaceae. 



Stamens inserted on the corolla 613 



