MELANTHACE.E. 367 



globose, scarcely longer than the involucre. Nartkecium pubens Mich. 

 Melanthium racemosum JValt, 



HAB. Swamps. Del. to Car. July. U- Scape 18 inches high. 

 Leaves a foot long, flowers greenish-white, in a racemed spike. 



3. XEROPHYLLUM. Mich. 



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

 ous at base. Stigmas 3, revolute, partly united below. Cap- 

 sule subglobose, 3-celled ; cells 2-seeded, opening at the sum- 

 mit. Hexandria. Trigynia. 



X. setifolium Mich : leaves subulate-setaceous ; flowers in a crowd- 

 ed oblong raceme ; filaments dilated at the base, as long as the peri- 

 anth. Helonias asphodeloides Linn. 



HAB. Sandy plains. N. J. to. Car. June. If. Scape 3 5 feet 

 high. Radical leaves forming large tufts a foot long and very 

 narrow. Flowers white, in a large terminal raceme. 



4. HELONIAS. Linn. 



Perianth 6-parted, spreading ; segments sessile and with- 

 out glands. Stamens 6. Styks 3, distinct. Capsule 3- 

 celled, 3-horned ; cells few-seeded. Hexandria. 'Frigynia. 



1. H. latifolia Mich. : scape leafless ; spike ovate, crowded ; bracts 

 linear-lanceolate j leaves lanceolate, mucronate, nerved. H. lullala, 

 Linn. 



HAB. Sandy swamps. N. J. to Vir. Pursh. May. Z, Flow- 

 ers pale purple. Anthers blue. 



2. H. eryihrosperma Mich. : scape simple, leafy ; leaves linear, very 

 long, nerved ; ' raceme oblong ; bracts short ; capsule shortened, with 

 divaricate horns ; seeds ovate, red. Melanthium Iceturn Ait. M. mus- 

 catoxicum Walt. 



HAB. Shady woods. Penn. to Car. June, July. If- Stem 2 

 feet high. Leaves very long and linear. Flowers white, in a 

 simple terminal raceme. 



3. H. angustifolia Mich. : scape leafy j leaves very long and narrow, 

 linear, subulate ; raceme oblong, lax ; capsule oblong, with the sum- 

 mit appressed ; seeds linear. 



HAB. N. Y. Muhl. S. to Car. June. U.Stem 2 feet high, 

 smooth. Leaves narrower than in the preceding. Floicers in a 

 simple terminal raceme. 



4. II dioica Pursh : scape leafy ; leaves lanceolate ; racemes dioe- 

 cious, spiked, cernuous; pedicels very short, without bracts; segments 

 of the perianth linear ; stamens exserted. H. lutca Ait. Veratrum lu- 

 teum Linn. Melanthium dioicum Walt. 



HAB. Damp grounds. N. J. to Geor. W. to Miss. June. 21. 

 Stem 12 feet high. Leaves becoming broader near the root. 



