ORDER CXXXI. MKLAJmUtCKM. 539 



mit. Stamens 6, dilated at the base, hypogynous. Capsule 

 angled, 3-celled. 



1. 0. cro'ceum, (Ell.) Stem none. Leave* linear, nerved, flat, 12 — 18 

 inches loqg. Scape terete, glabrous. Flowers in a terminal raceme, on 

 peduuclt-s twice as Ion*; as the flower. Bracts ovate, short ; leaves of 

 the perianth oval, obtuse. Filaments subulate. — White. U- June — 

 July. Middle Geo. 12—18 inches. 



Order CXXXI.— MELAXTHA'CEiE. 



Perianth 6-parted, petaloid, inferior. Stamens 6. Anthers 

 usually turned outward. Ovary 3-celled. many-seeded. Style 

 3-parted. Stigmas 3. Capsule divisible into 3 pieces. Her- 

 baceous plants, with leaves sheathing at the base. 



ANALYSIS. 



L Stamens 9 Pleea, 2 



Stamens 6 2 



..si 3 



4 



3. Fruit baccate Slrfpt-opw, 7 



Fruit capsular Uvula ria, 6 



4 Perianth with an involucre 7b/teldiu, 1 



IVrianth without an involucre 5 



5. Flowers white 6 



Flowers greenish-white 7 



6. Leaves of the perianth with glands Zygadenus, 4 



Leaves of the perianth without glands ffeioniai, 3 



7. Leaves narrow Jfelanthium, 5 



Leaves broad Yeratrum, 8 



Genus I.— TOEIEL DLA. Hudson, 6—3. 

 (In honor of Mr. Tofield.) 



Perianth 6-parted, with a 3-parted involucre at the base. 

 Stamens 6. Style 1. Capsule 3 — 6-celled, united at the base. 



1. T. pu ben?. (Smith.) Stem scabrous, simple, naked toward the 

 summit. Leaves ensiform, narrow, glabrous, the upper one very smnll. 

 Flowers in racemes. Segments of the perianth lanceolate, alternated 

 larger ; the involucre very small, 3-toothed. Stamens attached to the 

 base of the perianth. Capsule 3-angled, 3-valved, 3-celled, with 2 seeds 

 in a cell. — Green and purple. 11. July — Sept. In wet soils. Com- 

 mon. 1 — 2 feet. 



2. T. glaber'eeha, (Xutt.) Stem terete, leafy near the base. Leaves 

 linear, ensiform. Flowers in racemes, nearly verticillate. 

 Involucre small. 3-toothed. Segments of the perianth oblong-oval. — 

 "White. %. Oct. Middle Car. and Geo. 2—3 feet. 



Genes II.— PLE EA. Mich. 9—3. 

 (From pleias, the seven stars, from the disposition of its flowers.) 



Perianth 6-parted, expanding. Stamens 9. Styles 3. Cap- 

 •i-valved. 3-celled. Seeds numerous, attached to 

 the margin of the valves. 



