Genus 9. 



BUNCH-FLOWER FAMILY. 



491 



1. Zygadenus glaberrimus Michx. Large- 

 flowered Zygadenus. Fig. 1230. 



Z. glaberrimus Michx. Fl. Bor. Am. 1: 214. 1803. 



Rather dark green, slightly glaucous, stem 

 stout, 2°-4° tall, from a thick rootstock. Leaves 

 3"-6" wide, long-acuminate, channelled, often 

 1° long or more, the upper gradually smaller, 

 appressed, passing into the short ovate bracts of 

 the panicle ; panicle &-12' long, its branches rather 

 stout, stiff, ascending; pedicels stout, longer than 

 the bractlets; flowers white, mostly perfect, i'-ii' 

 broad, perianth-segments lanceolate or oblong- 

 lanceolate, narrowed into a short claw, bearing 

 2 orbicular glands ; styles subulate ; capsule nar- 

 rowly ovoid, shorter than the perianth. 



In swamps, Virginia to Florida, near the coast. 

 July-Sept. 



10. ANTICLEA Kunth, Enum. 4: 191. 1843. 



Glabrous perennial herbs, with membranous-coated bulbs, leafy stems, and rather large 



greenish or yellowish-white flowers in terminal racemes. Leaves linear. Flowers perfect. 



Perianth withering-persistent, adnate to the lower part of the ovary, its segments bearing 



a single lObcorda.te. gland. , Stamens distinct from the perianth-segments. Capsule 3-celled, 



the cavities dehiscent to the base. Seeds numerous. [Named for the mother of Ulysses.] 



About 6 species, natives of North America and northern Asia. Type species : A. sibirica (L.) 

 Kunth. • 



i. Anticlea elegans (Pursh) Rydb. Glau- 

 cous Anticlea. Fig. 1231. 



Zygadenus elegans Pursh, Fl. Am. Sept. 241. 1814. 

 Melanthium glaucum Nutt. Gen. 1 : 232. 1818. 

 Zygadenus glaucus Nutt. Journ. Acad. Phila. 7 : 56. 1834. 

 Z. chloranthus Richards. Frank. Journ. 736. 1821. 

 A. chloraniha Rydb. Bull. Torr. Club 30: 273. 1903. 



Plant glaucous; bulb ovoid, about 1' long, its 

 Coats membranous. Stem slender, 6'-3° tall; leaves 

 2"-7" wide, keeled, the lower 4'-i2' long, the upper 

 much shorter; bracts lanceolate, rather large, green 

 or purplish; inflorescence a simple raceme or a large 

 panicle, sometimes 1° long, open, its branches slender, 

 ascending; flowers greenish or yellowish, 8"-lo" 

 broad; perianth-segments oval or obovate, obtuse, 

 bearing a large obcordate gland just above the short 

 claw; capsule oblong, nearly 1' long, exceeding the 

 perianth. 



In moist places, New Brunswick to Alaska, Vermont, 

 New York, Missouri, and in the Rocky Mountains to 

 New Mexico. June-Aug. 



11. TOXICOSCORDION Rydb. Bull. Torr. Club 30: 272. 1903. 



Glabrous, poisonous perennial herbs, with membranous-coated bulbs, narrowly linear 

 conduplicate leaves and small perfect or polygamous flowers in racemes or panicles. Perianth 

 wholly inferior, free from the ovary, its segments distinct, short^clawed, each bearing an 

 obovate or semi-orbicular gland at or above the base. Stamens mostly adnate to the bases 

 of the perianth-segments ; anthers subreniform, confidently i-celled. Ovary 3-celled. Cap- 

 sule 3-beaked, 3-celled, containing numerous seeds. 



About 7 species, natives of North America. Type species : Zygadenus intermedins Rydb. 

 [Greek, poison-oniori.X 



Leaves 3"-8" wide ; flowers mostly perfect. 1. T.Nuttallii. 



Leaves 2"— 3" wide ; flowers polygamous. 2. T. gramineum. 



