OB" THE GENERA. 11 



PoRTULACA. Calyx adnate to the ovary, 2-parted, finally separating at 

 base and deciduous. Petals i-^G, inserted in the calyx, equal. Capsule 

 subglobose, 4-celled, many-seeded, opening circularly. Porkdacaccce, 

 p. 120. 



Talinum. Sepals 2, ovate, deciduous. Petals 5, distinct, or somewhat 

 connected at base. Capsule 1-celled, 3-vaIved, many-seeded. PortuLaca- 

 ceco^ p. 120. 



Chelidonium. Sepals 2, caducous. Petals 4. Capsule elongated, (re- 

 sembling a silique,) 1-celled, 2-valved ; valves dehiscent from the base to 

 the apex. Papaverdcecc, p. 21. 



Meconopsis. Sepals 2, caducous. Petals 4. Stigmas 4 — 6, radiating, 

 convex, free. Capsule obovoid, 1-celled; valves 4 — 6, dehiscent at the 

 apex. PapaveracecB, p. 20. 



Argemone. Sepals 3, caducous. Petals 4 — 6. Stigma 4 — 7-Iobed; 

 lobes radiately reflexed, persistent. Capsule obovoid, spinose, 1 -celled, 5- 

 valved ; valves opening at the apex. Papaveracece, p. 20. 



Sangulnaria. Sepals 2, deciduous. Petals 8 — 12. Stigmas 2, con- 

 nate. Capsule oblong, 1-celled, 2-valved, ventricose ; valves deciduous. 

 Papavcracece, p. 20. 



Papaver. Sepals 2, concave, caducous. Petals 4. Stigma sessile, 

 radiate, persistent. Capsule obovoid, 1-celled, opening by minute valves 

 under the margin of the stigma. PapaveracccB, p. 21. 



Podophyllum. Sepals 3, caducous. Petals 6 — 9. Stigma large, sub- 

 sessile, peltate, persistent. Berry somewhat fleshy, not dehiscent. Berhe- 

 ridace(^, p. 13. 



AcTiEA. Sepals 4 — 5. Petals 4 — 8, spatulate. Carpels solitary, bac- 

 cate, many-seeded. Ranunculacecc, p. 13. 



CiMiciFUGA. Sepals 4 — 5. Petals 3 — 5, concave or unguiculate, some- 

 times fewer or none. Carpels 1 — 8, follicular, many-seeded. Ranuncula- 

 cecc , p. 13. 



Sarracenia. Sepals .5, with a 3-leaved involucre. Petals 5. Stigma 

 very large, peltate, 5-angled. Capsule 5-celled. Sarracemacece, p. 22. 



Nymph^a. Sepals 4, at the base of the disk. Petals and stamens in- 

 serted into the fleshy disk surrounding the ovary. Nymphaacecc^ p. 19. 



NuPHAR. Sepals 5 — 6, and with the petals and stamens inserted at the 

 base of the disk. Nymphccacece, p. 19. 



Order II.— DI-PENTAGYNIA.— 2— 5 Pistils. 



, AscYRUM. Sepals 4; 2 inner ones much smaller. Palais 4, caducous. 

 Stamens scarcely united at base. Styles 2 — 3. Capsule 1-celled, 2 — 3- 

 valved. Hijpericacecc, p. 59. 



Hypericum. Sepals 5, more or less united at the base, mostly equal. 

 Petals 5, oblique, and often inequilateral. Stamens mostly numerous, 

 sometimes few, distinct or united into 3 — 5 parcels. Styles 3 — 5, distinct 

 or more or less united. Capsule membranaceous. Hijpericacca:, p. 57. 



Elodea. Sepals 5, somewhat united at base. Petals 5, deciduous, equi- 

 lateral. Stamens 9 — J 5, united into three parcels, which alternate with 3 

 hypogynous glands. Styles 3, distinct. Capsule oblong, membranaceous, 

 3-celled. Hupericacecc, p. GO. 



Obs. The remaining genera belong to the Natural Order RaiiuncvXa- 

 cece, p. 3. 



