LINN.EAN ARRANGEMENT 



MELANTHIUM. Polygamous. Perianth petaloid, rotate, deeply 6-parted ; 

 segments unguiculate, with two glands at the base. Stamens on the claws 

 of the perianth. Capsule ovoid-conic, 3-celled, many-seeded. Melantka- 

 cete, p. 365. 



VERATRUM. Polygamous. Perianth calyx-like, deeply 6-parted, spread- 

 ing, persistent ; the segments sessile and without glands. Stamens on the 

 receptacle. Capsule ovoid, membranaceous, 3-lobed ; the carpels distinct 

 at the summit, many-seeded. Melanthacece, p. 366. 



HELONIAS. Sometimes dioecious. Perianth corolla-like, 6-parted, spread- 

 ing ; segments sessile and without glands. Stamens at length exceeding 

 the perianth. Capsule 3-celled, 3-horned. MelantJiacece, p. 366. 



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

 ous at base. Stigmas 3, revolute, partly united below. Capsule subglobose, 

 3-celled ; cells 2-seeded, opening at the summit. Melanthacece, p. 366. 



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

 smooth. Capsule 3 6-celled; cells united at base, many-seeded. Melan- 

 thacecc, p. 366. 



SCHEUCHZERIA. Perianth of 6 somewhat petaloid persistent leaves; the 

 3 inner ones narrower. Anthers on slender filaments. Capsules 3, inflated, 

 united at base, 1 2-seeded. Jwncaginacea, p. 380. 



TRIGLOCHIN. Perianth 6-leaved, somewhat colored, deciduous; leaves 

 concave. Anthers subsessile. Capsules 3 6, united by a longitudinal re- 

 ceptacle from which they usually separate at the base, 1-seeded. Juncagi- 

 iiacece, p. 379. 



MEDEOLA. Perianth petaloid, 6-parted, revolute. Stamens inserted at 

 the base of the perianth. Styles filiform, elongated, divaricate. Berry 

 3-celled. TriUiacece, p. 359. 



TRILLIUM. Perianth deeply 6-parted ; 3 outer segments (sepals) spread- 

 ing ; 3 inner petaloid, (petals.) Stamens inserted at the base of the seg- 

 ments, nearly equal. 'Styles stigmatose on the inside. Berry ovoid, 3- 

 celled. Trilliacca, p. 360. 



SAURURUS. Flowers in a solitary spike. Scales 1-flowered. Corolla 

 none. Fruit 3- or 4-celled ; the carpels easily separating at maturity, 1- 

 (rarely 2-) seeded, not opening. Saururacece, p. 318. 



ORDER IV. POLYGYNIA. Many Pistils. 



ALISMA. Perianth 6-leaved ; 3 outer leaves persistent, calycine ; 3 inner 

 colored, petaloid. deciduous. Carpels numerous, distinct, 1-seeded, crowned 

 with the persistent style. Alismacece, p. 379. 



* CLASS VII. HEPTANDRIA. 7 Stamens. 

 ORDER I. MONOGYNIA. 1 Pistil. 



TRIENTALIS. Calyx deeply 6 8-parted. Corolla deeply 6 8-parted, 

 rotate. Stamens 68 (mostly 7.) Capsule globose, somewhat fleshy, 

 (berry,) opening at the sutures, and then 5-valved. Primulacece, p. 290. 



^ESCULUS. Calyx campanulate, 5-toothed. Petals 4 5, more or less 

 unequal. Filaments recurved backward. Fruit coriaceous. 

 iiacefe, p. 62. 



(Vlmus in CLASS V., ORDER II.) 



