370 HEXANDRIA. TRIGYNIA. helonias- 



ceme i Jiedunclcs longer than the flowers. Petals persistenty 

 longer than the stamens. Cafisules 3, twice as long as the 

 petals, triangular, acute, cohering to the very summit. Ell. 

 Hab. In New- York, Muhlenberg. + 



4. H, ? dioka Ph.: scape leafy; racemes dioeciousp 

 spiked, cernuous ; pedicels very short, without bracts ; petals 

 linear; stamens exserled ; leaves lanceolate. Pursh Fl. 

 I. p. 243. El Hot i Sk.l.T^. 423. H. lutea H ort. Kew, 

 ed. 2, II. p. 330. Bot. Mag. 1062. U.pumila J acq. icon, 

 rar. IL t. 453. Veratrum lutewn L. W il I d. Spec. IV. 

 p. 897. Nutt. Gen. I. p. 234. Melanthium dioicum 

 Wa 1 1. Car. p. 1 26. M. densum L a m. Em. IV. p. 26, Ve- 

 ratrum caule simplicissimo, spica ante florescentiam incur- 

 vata. Cold. Koteb. 80. Gro n. Virg. 158. 



Root large, praemorse. Stem 1 — 2 feet high, simple, very 

 smooth, slightly angular. Leaves lanceolate, acute ; the radi- 

 cal ones broader. Flowers dioecious and polygamous, in long 

 »pike-like racemes. StamIniferous: Petals linear-spathu- 

 late, obtuse, 1 -nerved, white. Stamens rather longer than the 

 petals ; f laments subulate ; anthers terminal, 2-lobed. Ger- 

 wera entirely wanting. Pistilliferous or Perfect : Raceme 

 becoming erect, generally few-flowered. Petals linear. Sta- 

 mens very short, abortive. Germen ovate, subtriangular, with 

 the sides deeply furrowed ; stigmas 5, spreading or reflexed- 

 Capsule ovate-oblong, 3-furrowed, opening at the summit. 

 Seeds many in each cell, acute, compressed. 



Ha3. In wet meadows and bogs ; common in hilly and moun- 

 tainous situations. June. Unicorn' s-horn. — Devil's-bit, he. 

 This species possesses a diff"erent habit from either of the 

 preceding, and should, perhaps, be the type of a new genus. 

 It is intermediate between Helonias and Veratrum. 



255. XEROPHYLLUM. Michaux. 



Corolla subrotate, deeply 6-parted. Filaments con- 

 tiguous at the base. Stigrnas 3, revolute, partly united 

 below. Capsule subglobose, 3-celled ; cells 2-seeded, 

 opening at the summit. Mi c h. Fl. L p. 210. Nutt. 

 Gen. I. p. 234, Heloniadis sp, L. Nat. Ord, 



JUNCE^ JUSS. MELANTHACEiE R. B T WU, 



X. setifolimn M ic h. : raceme oblong, crowded ; bracts 

 setaceous ; filaments dilated at the base, as long as the co- 

 rolla; leaves subulate-setaceous. Mich. Fl. I. p. 211, 

 J{utt. Gen. f. p. 235. Hklonj as asphodeloides L, Willd, 

 Spec, IL p, 274, Bot, Mag. 748. Pursh FL I. p. -243. 



