184 LINN^EAN CLASS XII. 



on the calyx. Styles 3 — 6-cleft. Capsule 4-celled, many-seeded. Por 

 tulacaiece, 22. 



Talhium. Sepals 2. Petals 5, distinct. Style filiform, cleft at the 

 apex. Capsule 3-valved, 1 -celled, many-seeded. Portulacacece, 22. 



Gkelidonium. Sepals 2, caducous. Petals 4. Capsule 2-valved, 

 1 -celled, many-seeded, linear, dehiscing from the base upward. Papa- 

 ', 11. 



Polanisia. Sepals 4, spreading. Petals 4, unequal, entire, nearly 

 orbicular. Pod linear, sessile or nearly so. Capparidacecs, 14.' 



Qlaucium. Sepals 2, caducous. Petals 4. Capsule linear, 2-valved' 

 2-celled, many-seeded, seeds reniform. Papaveracece, 11. 



Argemonc. Sepals 3, caducous. Petals 6. Stigmas 4 — 7. Capsule 

 opening by valves, separating from the placenta. Papaveracece, 11. 



Sanguinaria. Sepals 2, caducous. Petals 8 — 12. Stigmas 2. Cap- 

 sule oblong-ovate. Seeds numerous. Papaveracece, 11. 



Papaver. Sepals 2. Petals 4. Stigmas 4 — 20, sessile, radiating. 

 Capsule 1 -celled, opening by pores beneath the lobes of the stigma. 

 Papaveracece, 11. 



Podophyllum. Sepals 3, caducous. Petals 6 — 9, obovate. Stigma 

 large, sessile. Fruit fleshy. Seeds numerous, on a lateral placenta. 

 Berberidacecs, 6. 



Actcea. Sepals 4 — 5. Petals 4 — 8 or none, spatulate, oblong, short- 

 er than the stamens. Fruit baccate, solitary, many-seeded. Ranuncu- 

 lacecc, 1. 



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

 culate. Stigma very large, 5-angled, petaloid, covering the stamens. 

 Capsule 5-celled, 5-valved, many-seeded. Sarraceniacece, 10. 



Nuphar. Sepals 5 — 6. Petals numerous, small, inserted on the re- 

 ceptacle. Fruit berry-like, many-celled, many-seeded. Nymphccacece, 9. 



Nymphcsa. Sepals 4. Corolla many-petaled. Stigma a broad disk. 

 Fruit berry-like, many-celled, many-seeded. Nymphctaceoa, 9. 



Bejaria. Calyx 7-cleft. Corolla 7-petaled. Style 1. Capsule many- 

 seeded, 7 -celled. Ericacew, 7 2. 



Rhizophora. Calyx superior, limbs 4, many-lobed. Petals oblong, 

 emarginate, coriaceous. Fruit ovate, 1-celled, indehiscent. Trees. 

 Rhizophoracecv, 48. 



Citrus. Calyx 5-cleft. Petals 5, oblong, dilated at the base. Fruit 

 9 — 18-celled. A itrantacecs, 30. 



Order II. to Order V.— DI-PENTAGYNIA. 

 The genera belonging to these orders will be found under the Nat- 

 ural Orders 1 and 19. Delphinium, Aconitum, Aquilcgia, Cimicifuga, 

 under the 1st; Ascyrum, Hypericum, and Elodca, under the 19th. 



Okih.r XI I.— POLYGYRIA. 



Magnolia. Sepals 3, caducous. Petals 6— -12. Carpels arranged in 

 a cone, 2-valved, I -seeded. Magnoliaeecs, 2. 



Liriodendron. Sepals 3, concave. Petals fi, in two series, obovate, 

 lanceolate, oampanuhitc. Carpels imbricated in a dense cone, 1 — 2- 

 seeded. (Tulip-tree.) Magnoliacete, 2. 



