OKDER CXXXI. MKLA.NTHACK.K. 5o9 



mit. Stamens 6, dilated at tlie ba-e, hyporjynous. Capsule 

 angled, 3 -celled. 



1. 0. CRo'cEUii, (Ell.) Stem none. Zea»'c.s linear, nerved, flat, 12 — 18 

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

 peduncles twice as long as the flower. Bracts ovate, short ; leaves of 

 the perianth oval, obtuse. Filaments subulate. — "White. If. June — 

 July. Middle Geo. 12—18 inches. 



Order CXXXl.— MELANTIIA'CE^. 



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

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

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

 baceous plants, with leaves sheathing at the base. 



ANALYSIS. 



1. stamens 9 / Vt««, 2 



Stamens 6 2 



2. Styles 1 3 



Styles 3 4 



3. Fruit baccate Strrptopu,^, 7 



Fruit capsular i'ndafta, 6 



4. Perianth with an involucre ToJieUUn, 1 



Perianth without an involucre 5 



5. Flowers white 6 



Flowers greenish-white "^ 



6. Leav&s of the perianth with glands Zi/gatfenuJi, 4 



Leaves of the perianth without glands I/elonia«, 3 



7. Leaves narrow Melanth iutn, 6 



Leaves broad Veratrum, 8 



Genus L— TOFIEL'DIA. Hudson, 6-3. 

 (In honor of Mr. Toficld.) 



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

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



1. T. pu'bens, (Smith.) Stem scabrous, simple, naked toward the 

 summit. Leaves ensiform, narrow, glabrous, the upj-er one very small. 

 Flowers in racemes. Segments of the perianth laneeolate, alternately 

 lar"-er ; the involucre very small, 3-toothed. *S7a//»r;i.s' attacheii to the 

 base of the perianth. Caj>sulc 3-angled, 3-valved, a-oellel, with 2 seed.s 

 in a cell.— Green and purple. U- July— Sept. In wet soiu. Com- 

 mon. 1 — 2 feet. 



2. T. glaber'rima, (Nutt.) Stem terete, leafy near tlic base. I^avei 

 linear, ensiform, sheathing. Floiccrs in racemes, nearly vertioillate. 

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

 White. U- Oct. Middle Car. and Geo. 2—3 feet. 



Genus II.— PLE'EA. Mich. 9—3. 

 (From pleias, the seven stars, from the disposition of iU» (lowers.) 

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

 sule 3-angled, 3-valved, 3-cellt'd. Seeds numeruu*, attached to 

 the margin of the valves. 



I 



