f 20 ORDER 149. MELANTHACE^E. 



persistent, without glands ; stamens 6, hypogynous, at length longer 

 than the perianth, anthers short, oval ; styles 3, distinct ; capsule 3- 

 celled, 3-horned ; cells loculicidal, many-seeded. Lvs. mostly radical, 

 narrow, often gramineous, sheathing at base. Fls. in a terminal, simple 

 raceme. 



H. bullata L. N. J., Perm, to Ya. Scape 10 to 18' high, rather thick and 

 fleshy, hollow, nearly naked. Lvs. lance-spatulate, about as long as the scape, 1 

 to Ijr wide. Rac. short. Pedicels as long as the flowers, colored. Fls. purple, 

 segm. obtuse, with blue anthers. May. (H. latifolia Ph.) 



8. CHAWLELIR'IUM, Willcl. (Gr. xafiai, on the ground, Aeiptov, a 

 lily.) Flowers dioecious; perianth 6-sepaled, spreading, persistent; 

 sepals narrow ; filaments C, perigynous, filiform, longer than the sepals 

 (short in the ) ; ovary free, with 3 distinct styles ; capsule oblong, 

 loculicidal ; seeds many, linear-oblong, winged at each end. Rt. tuber- 

 ous, premorse. St. leafy, strict, slender. Lvs. lanceolate, the radical 

 oblanccolate and obovate-obtusc. Rac. spike-like, nodding, dense- 

 flowered, yellowish-white. 



C. luteum Gray. BLAZING STAR. Low grounds, Can. and U. S. St, 12 to 30' 

 high, furrowed. Radical Ivs. 3 to 5' by 6 to 12". in a sort of whorl. Fls. small, 

 very numerous, in long, terminal, spicate racemes, which are more slender on the 

 barren plants. Ovaries as long as the linear petals, subtriangular. Caps 3-fur- 

 rowed, oblong, tapering to the base, opening at the top. The fertile plants are 

 taller, more erect, but with fewer flowers. Apr. Jn. (Helonias dioica Ph.) 



9. TOFIELD'IA, Hudson. (To Mr. Tofield, a Scotch gentleman, re- 

 siding near Doncaster.) Flowers , calyculate, with 3 remotish, united 

 bracts ; Ifts. of the perianth petaloid, spreading, sessile, and without 

 bracts ; sta. C ; anth. roundish-cordate, introrse ; ovaries 3, united ; 

 styles distinct, short ; ova. 3-lobed, 3-partible ; capsule en -seeded. 

 Lvs. cquitant, subradical. Scape not bulbous. Fls. spicate or race- 

 mous. 



Pedicels clustered in 3s. Stems Bcabrous-elamlular ................................. Nos. 1, 2 



Pedicels separate. Stem glabrous ....... .". ........................................... No. 3 



1. T. glutinosa Nutt. St. leafy below, glandular-scabrous, simple; Ivs. a fourth 

 the length of the stem, linear-ensiform, glabrous, obtuse / rac. oblong, few-flowered, 

 dose, composed of 3-flowered, alternate fascicles; caps, longer ihau ihe perianth. 

 Woods, Ohio to Wise., N. to Arc. Am. Stem slender, scape-like, 1 lj$ dot, 

 ted with dark-colored glands. Leaves 3 G' by 3 6", carinate. Spicate raceme 

 1 1^' long, 9 18-flowered. Involucre truncate, 3-toothed, a little below the 

 perianth. Petals and sepals oblanceolate, less than 2" long, carpels 4". 



2. T. ptibens Dryand. St. leafy at base, rough-puberulent ; Ivs. nearly half /At 

 length of the stem, linear-ensiform, strongly striate, acute, glabrous ; rac. linear* 

 elongated, composed of many remoti-sh, alternate fascicles ; pedicels 2 to 3 together, 

 as long as the flowers ; fls. 3-bracted at base ; capsule scarcely exceeding the 

 perianth. Pine barrens, Del. to Fla. St 2 to 3f high, slender. Lvs. more than 

 twice longer than in No. 1. Rac. 6 to 8' long, 30 to 40-flowered. Fls. small, 

 greenish-white. Jl. Sept. 



3 T. glabra Nutt. St. leafy below, glabrous ; Ivs. nearly as in No. 2 ; rac. 

 elongated, dense, with the pedicels separate (not clustered), scarcely longer than 

 their bracts ; carpels distinct to near the base ; stig. sessile. Car. to Ark., in wet 

 grounds. St. 1 to 3f high. Rac. 2 to 5' long, 20 to 30-flowered. Seeds liuear- 

 oblong, not caudate. 



10. PLEE'A, L. C. Rich. (Gr. TrAem?, the Pleiades ; its flowers.) 

 Perianth colored, persistent, 6-sepaled, stellately spreading ; stamens 9 



