2 GROUPS AND ORDERS. 



CONSPECTUS OF THE GROUPS AND ORDERS. 



Group 1. Ovaries several or numerous (\n BcrbcriJaccn: solitary), distinct; when in several rows, sometimes cohering 



tcclhcr, but not united into a compound pistil. Petals and stamens inserted on the receptacle. 



• Stamens or pistils (one or both) numerous. 



Order 1. R.tNCNCULACEJE. Sepals 3 - C, usually 5, deciduous. Petals 3 - 15. Anthers extrorsc (sometimes none). 

 Ovaries rarely fevf, distinct.— Herbaceous (rarely shrubby) plants, with acrid watery juice; leaves 

 without stipules. 



2. MaonolucEjE. Sepals 3 - C, deciduous. Petals 3 to many. Anthers adnatc, elongated. Carpels in one or 



several rows, often more or less cohering. — Trees or shrubs, with large and usually coriaceous 

 punctate leaves ; stipules membranaceous. Flowers solitary, generally large and fragrant. 



3. Akonace«. Sepals 3. Petals G. Seeds with ruminated albumen. — Trees or shrubs, with alternate entire leaves 



destitute of stipules. 

 ♦• Stamens few. Pistils very few or sohtary. 



4. Me.nispebmaceje. Flowers small, usually dioecious or polygamous. Sepals 3-12, in 1 - 3 rows. Petals as 



many as the sepals, or fewer (sometimes none). Carpels usually several ; only one or two arriving 

 at maturity, and forming one-seeded berries or drupes. — Climbing or twining frutcscent plants, 

 with alternate palmately veined leaves. 



5. BERBEBiDACEi:. Flowers perfect. Stamens opposite the petals ; cells of the anther xisually opening by valves. 



Ovary solitary, simple. — Shrubs or herbs, usually without stipules. 



Gboup 2. Ovaries several, either distinct or united into a compound pistil of several cells. Stamens usually numerom, 

 inserted on the receptacle or torus. — Aquatic herbs. 



• Carpels not united into a compound ovary. Leaves centrally peltate. 



6. Cabombaceje. Torus small ; ovules 2 or several in each carpel, inserted on the dorsal suture. 



7. NELUMEiACEa:. Torus large, turbinate; the ovaries immersed in its disk, each with a solitary ovule. 



*» Ovary compound ; the ovules covering the dissepiments, 



8. NYMPHJEACEi:. Stigmas united in a radiated disk. 



*** Ovary compound; the placentie in the axis. 



9. SARRACENIACE.E. Lcaves hollow, pitcher-shaped. 



Group 3. Ovary compound, with parietal placenta. Calyx not adherent to the ovary ; the stamens and pistils inserted 

 on the receptacle. Lcaves not dotted. 

 » Styles or stigmas united, 

 f Sepals 2, or rarely 3, deciduousi 



10. PAPAVERACEa:. Petals 4, equal. Stamens numerous (rarely few). Seeds albuminous. Juice milky or colored. 



11. FcMARiACEi. Petals 4, irregular. Stamens 6, united in 2 parcels. Pod one-celled. 



tt Sepals and petals 4, or rarely 6, 



12. CRnciFEHiE. Stamens 6, two of them shorter than the others. Pod 2-celled. 



13. CAPPAR1DACE.K. Stamens 6 - 32 ; (when 6, not tetradynamous.) Pod one-celled. Seeds kidney-shaped. 



+ft Sepals 5 (rarely 3), persistent. 



14. VioLACEj!. Petals 5, irregular. Stamens 5. 



15. CisTACEa;. Petals fugacious, regular. Stamens usually numerous. 



»• Styles or stigmas separate. 



16. Droserace*:. Stamens few. Leaves circinnate, usually with glandular hairs. 



Group 4. Ovary compound, with the placenta; parietal, or 2 - 5-celled from their meeting in the axis ; styles distinct, or 

 partly united. jEstivation of the calyx imbricated. Stamens and petals inserted on the receptacle. Seeds 

 with a straight embryo, and little or no albumen. 



17. HvPERicACE.!. Stamens usually numerous and polyadelphous. Leaves dotted. — Shrubs or herbs, without 



stipules. 



18. ELATiNACEa:. Stamens as many or twice as many as the petals. Seeds attached to a persistent central axis. — 



Small annual weeds, with axillary flowers. 



