94 American Midland Naturalist Monograph No. 2 



10. Erythronium L. — Trout Lily 



1. Perianth yellow; style clavate, the stigmas erect, united; woods apparently 

 absent from the w. part of 111. Apr. -May E. amertcanum Ker 



1. Perianth white or pale lavender; style 3-cleft, the recurved stigmas 1-3 mm. 

 long; alluvial soil in woods, common. Apr E. albidum Nutt. 



11. Camassia Lindl. — Camas 



(Quamasia Raf.) 



C. scillioides (Raf.) Cory. Wild Hyacinth. Moist woods or meadows, 

 [C. esculenta (Ker) B. L. Robins.; Q. hyacinthma (Raf.) Britt.}. 



12. Ornithogalum L. 



O. umbellattim L. Star-of-Bethlehem. Roadsides, edges of fields, locally 

 abundant; escaped from cult.; nat. from Eur. Apr.-May. 



13. Asparagus L. 

 A. officinalis L. Garden Asparagus. Roadsides and fields, common; introd. 

 from Eur. May-June. 



14. Smilacina Desf. — False Solomon's-seal 



(Vagnera Adans.) 



1. Flowers numerous in a panicle; perianth-segments 1-2 mm. long; woods, 

 common. May-June S. racemosa (L.) Desf. 



1. Flowers few in a raceme; perianth-segments 3-5 mm. long; woods, common. 

 May-June S. stellata (L.) Desf. 



15. Maianthemum Wigg. 



M. canadense Desf. Moist woods, n. 111. May-June. Our plants belong to 

 the var. interius Fern. 



16. Uvularia L. — Bellwort 



(Oalfcsia Wats.; Oal^esiclla Small) 



1. Leaves perfoliate, puberulent beneath; capsules obtusely 3-angled, rounded 



or retuse at the ape.x; moist woods, not uncommon. Apr.-May 



U. grandiflora Sm. 



1. Leaves sessile, glabrous; capsules sharply 3-angled, acutish at each end; 

 woods, rare. Wabash Co., H. Shearer in 1900. [Oak^sia sessilifolia (L.) 

 Wats.} U. sessilijolta L. 



17. Polygonatum Hill — Solomon's Seal 



1. Leaves puberulent on the veins beneath; peduncles commonly 2-flowered; 

 flowers 9-12 mm. long; woods. May-June. [P. biflorum sensu auth., non 

 (Walt.) Ell.} P. pubescens (Willd.) Pursh 



1. Leaves glabrous; peduncles commonly 2-5-flowered; flowers 15-18 mm. long; 

 woods, and roadsides, common. May-June. [P. commutatum (R. & S.) 

 Dietr.; P. giganteum Dietr.} P. biflorum (Walt.) Ell. 



