112 Melanthacearum America SepUntrionalis Revisio. 



Catjjles basi bulbescentes seu rhizornatibus repentfbus, in- 

 ferne foliosi : folia graminea : inflorescentia plerumque pani- 

 culata ; ramis paucis, subsimplicibus : bractea subspathifor- 

 mes : jiores albidi, extus praecipue virescentes. 



Zigadenus, Michx.fi. 1, p. 213, t. 22 ; Pursh, fi. 1. p. 

 216 ; Willi, in mag. naturf.fr. 2. p. 30 ; Ell. boU 8. Car. 

 and Georg. l,p. 420 ; llmm. fy Schult. syst. 7, p. 101. 



Helonije species, Ker, in jour. sci. 1, p. 184. 



Obs. Hue pertinet Melanthium Sibiricum, Linn, et auct. 

 (Ornithogalum spicis florum longissimis, &c. Gmd.fi. Sibir< 

 1, p. 45, t. 8.) 



1. Z. glaberrimus; rhizomate repente ', foliis longe 

 lineari-lanceolatis, superioribus perbrevibus ; panicula pyrami- 

 dali ; bracteis ovatis, acuminatis, pedicellos subaequantibus ; 

 foliolis perianthii ovato-lanceolatis, acuminatulis, basi fere 

 angustatis, crassiusculis ; glandulis orbicularis distinctisw 



Z. glaberrimus; Michx.Jl. I. c. ; Pursh,jl. 1, p. 241; Redout. Lit. 

 t. 461 ; Ell. 1. c. ; Roem. Sf Schull. syst. 7, p. 1559 ; Hook. &f Am. in 

 hot. Beechey, p. 161 ? 



Z. bracteatus, Raim. If Schult. I. c. 



Helonias bracteata, Sims. bot. mag. t. 1703. 



Caulis 1 — 3-pcdalis, superne subnudus. Folia plana, supremis ad 

 bracteas subspathiformes diminutis. Panicula rami 3 — 5, plerique 

 simplices, 7 — 10-flori. Flores magnitudine Veratri viridis. Perian- 

 thii foliola leviter striata, stellato-patentia. Styli contigui. Ovaria 

 multi-ovulata ; ovulis biseriatis sursum imbricatis. 



Hab. In herbosis humidis, a Virginia (Pursh) et Carolina 

 super. ! usque ad Alabamam ! et in California, (fide Hook. Sf 

 Am. I. c.) 



