TETRANDRIA.— MONOGYNIA. 77 



pressed, partly margined, 1 -celled. Seeds few, 

 imbricate, elliptic, with a membranaceous margin. 



122. OBOLARIA. Cal. 2-parted, bracteiform. Cor. 



campanulate, 4 -cleft ; segments entire (orcrenu- 

 late.) Stain. subdid}'namous, proceeding from the 

 clefts of the corolla. Stig. bifid. Caps, ovate. 

 1 -celled, 2-valved, many-seeded. 



t t 4-petalled. 



123. AMMANNIA. Cal. 1 -leaved, campanulate, pli- 



cate, 8-toothed, inferior. Cor. 4-petalled or 0- 

 inserted upon the calyx. Caps. 4-celled, man}'- 

 seeded. 

 J 24. PTELEA. Cal. 4-parted. Pet. 4, spreading. Stig. 

 2. Samara compressed, orbicular, 2-celled, 2- 

 seoded. 



tit Apeialous. 

 lb, RIVINA. Cal. 4-parted, persistent. Pet. 0. Berr,, 

 1 -seeded. Seed lentiform, scabrous. Stam. 8 — 

 4—12. 

 126. ALCI1EM1LLA. Cal. 8-cleft ; segments spread 

 ing, alternately smaller. Cor. 0. Style lateral, 

 from the base of the germen. Fruit surrounded 

 by the calyx. 

 SYMPLOCARPUS. Spath ventricose, ovate, acu- 

 minate. Spadix subglobose, covered with per- 

 fect flowers Cal. deeply 4-parted, persistent : 

 segments cucullate, truncate, becoming thick and 

 spongy. Pet. 0. Style pyramidal, 4-sided ; stig. 

 simple, minute. Seeds solitary, immersed in th» 

 spong}' receptacle. 



DIGYNIA. 

 HAMAMELIS. Cal. 4-cleft, with 3 brads (involu- 

 ( rum) at the base. Pet. linear, very long. Mut 

 roriaceous, 2-celled, 2-horned, cleft at the top. 

 Seed 1 in each cell. 



TETRAGYNIA. 



. >9. ILEX. Cal. minute, 4— 5-toothed. Cor. rotate, 4- 

 pattftd, or 4-petalled. Style ; stig. 4. Berry 



t i 2 



