Xl SYNOPSIS OP GENERA. 



ACORUS. Spad. cylindric, covered with flowers. Perianth glumace* 

 ous, 6-petalled, naked. Stig. sessile, very minute. Caps. 3-celled, 3- 

 angled. Aroidea, p. -381. 



Juicers. Perianth inferior, glumaceous, 6-parted. Caps. 3-celled, 3- 

 valved. Seeds many. Juncett, 371. 



LUZCLA. Perianth 6-parted, glumaceous. Caps, superior, 3-celled, 

 3- valved ; cells 1 -seeded. Juncea;, p. 373. 



TRIGYNIA. 



MELANTHIUM. Polygamous. Perianth rotate, 6-parted ; segments 

 with claws and 2 glands at the base of each; claws stamimferous. 

 Caps, sabovate, 3-celled ; apex partly trifid. Seeds many, membrana- 

 ceously winged. Melantliacete, p. 366. 



VKRATRUM. Polygamous. PeriantJi 6-parted, spreading ; segments 

 8e*sile, without glands. -S'tom, inserted upon the receptacle. Caps. 

 oblong, 2-valved, many-seeded, Mdantitacea, p. 368. 



HELONIAS. Perianth 6-parted, spreading, without glands. Styles 3, 

 distinct. Caps. 3-celled, 3-horned ; cells few-seeded. Melantkacea, 

 p. 367. 



XEROPHYLLUM. Perianth subrotate, deeply 6-parted. Fil. contigu- 

 ous at base. Stig. 3, revolute, partly united below. Caps, subglo- 

 bose, 3-celled ; cells 2-seeded, opening at the .top. Melanthacete, p. 

 367. 



TOFIELDIA. Perianth 6-parted, with a small 3-parted involucre. 

 Caps. 3 6-celled ; cells many-seeded. Melanthacete, p. 366. 



SCHEUCHZERIA. Perianth 6-parted. Ant/i. linear. Stig. sessile, la- 

 teral. Caps, inflated, 2-valved, 1 2-seeded. Juncaginea:, p. 379. 



TRIGI.OCHIN. Perianth of 6 deciduous leaves, 3 inserted above the 

 rest. Stam. very short Caps. 3 6, unjted by a longitudinal re- 

 ceptacle. Juncagineae, p. 378. 



MEDKOLA. Perianth 6-parted, revolute. Slig. 3, divaricate, united 

 at the base. Ber. 3-celled ; cells 3 6-seeded. Smilacea, p. 360. 



TRILLIUM. Perianth 6-parted ; 3 outer segments resembling a calyx; 

 3 inner petaloid. Stig. 3, sessile. Ber. superior, 3-celled ; cells many- 

 seeded. Smilacea, p. 360. 



Kf.MKx. Perianth 6-leaved. Nut triquetrous, covered by the 3 in- 

 ner valviform leaves of the perianth. Stig. many-cleft. Poh/gonea, p. 

 303. 



TETRAGYMIA. 



BAURCRUS. FL in an ament or crowded spike. Scales 1 -flowered. 

 Cor. none. Anth. adnate to the filaments. Caps. 4, each 1 or rarelj 

 ^seeded. Saururea>, p. 317. 



POLYGYNIA. 



Ar.is.MA. Col. 3-leaved. Cor. 3-petalled. Caps, many, clustered, 

 distinct, 1-seeded, not opening. Alismacea, p. 378. 



HEPTANDRIA. 



MONOGYNIA. 



TRIKNTALIS. Cal. 7-parted. Cor. 7-parted, regular and flat. Ber. 

 dry, opening at the suture, many-seeded. Primulacetc, p. 289. 



