April, 1913.] Liliales of Ohio. 117 



14. Stenanthium Kunth. 



Erect, glabrous, bulbous, perennial herbs, with long grass- 

 like, keeled leaves. Inflorescence of numerous small flowers, 

 forming a long terminal panicle; perianth segments oblong or 

 ovate, spreading; stamens somewhat shorter than the perianth; 

 filaments subulate; anthers oblong. 



1. Stenanthium robustum Wats. Stout Stenanthium. Stem 

 stout, usually leafy, 3-5 ft. tall, leaves 1 ft. or more long; panicle 

 dense, usually compound; flowers greenish or white; capsule 

 ovoid-oblong, erect, with a short recurved beak. Fairfield. 



15. Chamaelirium Willd. 



Smooth herbs with erect stems, from bitter, tuberous, root- 

 stocks bearing a spike like raceme of small, white, bractless 

 flowers, diecious; carpellate plant more leafy than the staminate; 

 leaves flat, lanceolate or oblanceolate, tapering into a petiole; 

 perianth of 6. 1-nerved segments; carpellate flower with vestigial 

 stamens. 



1. Chamaelirium luteum (L.) Gr. Chamaelirium. Stem 

 1-4 feet high, the carpellate plant usually higher; basal leaves 

 2-8 in. long; capsule oblong. Sandusky, Erie, Cuyahoga, Sum- 

 mit, Medina, Wayne, Licking, Lawrence. 



16. Tofieldia Huds. 



Perennial herbs with short, erect or horizontal rootstocks, 

 flberous roots, and slender, erect, almost leafless stems. Leaves 

 linear and clustered at the base ; flowers bisporangiate in a temiinal 

 raceme, or rarely solitary, white or green; pedicels bracted; per- 

 ianth segments oblong or obovate, persistent; stamens 6; anthers 

 introrse; ovulary sessile, styles 3, recurved. 



1. Tofieldia glutinosa (Mx.) Pers. Glutinous Tofieldia. 

 Stem vicid, pubescent, 6-20 in. tall with 2-4 basal leaves; inflores- 

 cence a short raceme, three-eighths to one and one-fourth in. long, 

 bearing small involucral bracts; flowers very small; perianth 

 segments oblong or obtuse; capsule oblong. Stark, Champaign. 



CoHvallariatcB. 



17. Trillium L. 



Glabrous, erect, unbranched herbs, from short, root-stocks, 

 with a whorl of 3 leaves at the summit of the stem. Perianth of 

 3 green, persistent sepals and 3 withering or deciduous, colored 

 petals, ovulary 3 or 6 angled. 



1. Flowers peduncled. 2. 



1. Flowers sessile. 6. 



2. Leaves sessile or subsessile. 3. 



2. Leaves petioled; oval or ovate. 5. 



