112 The Ohio Journal of Scieiice [Vol. XVII, No. 4, 



2. Batrachium circinatum (Sibth) Rchb. Circinate Water- 

 crowfoot. Leaves all under water; 1 in. broad or smaller, 

 standing at right angles to the stem. Auglaize, Licking. 



Trollius L. 



Erect perennial herbs with glabrous palmately parted 

 leaves and a solitary terminal flow^er. Sepals yellow, whitish or 

 purplish, petaloid, 5-7 in number; petals 15-25, very small, 

 linear, with a nectar pit at base; stamens and carpels numerous. 

 Follicles forming a head. Marshy places. 



1. Trollius laxus Salisb. American Globe-flower. Stems 

 slender, }2r'^ it. high. Leaves usually 5-parted, l-}/2 in. 

 broad, upper leaf sessile. Flowers greenish-yellow; sepals 

 obovate, spreading. Stark and Columbiana. 



Helleborus (Tourn.) L. Hellebore. 



Erect perennial herbs. Leaves palmately-parted, basal ones 

 large, petioled; stem ones sessile. Flowers solitary, white, 

 greenish or yellowish; sepals 5, obovate, claw^ed; petals 8-10, 

 tubular, shorter than the stamens; stamens numerous; carpels 

 fewer than 8. Capsules. 



1. Helleborus viridis L. Green Hellebore. Stems stout, 

 8-24 in. high. Leaves alternate, usually 3-5 parted, those at 

 base of branch may be bract-like. Sepals green, petaloid. 

 Waste places. Stark, Miami, Gallia, Franklin. 



Nigella (Tourn.) L. 



Slender stalked, erect herbs with very finely dissected 

 leaves. Flowers solitary, terminal and subtended by an 

 involucre which overtops it; sepals 5, petaloid; petals minute, 

 cupshaped; stamens numerous; carpels 5, united. Fruit a 

 capsule. A cultivated plant which sometimes escapes. 



1. Nigella damascena L. Love-in-a-mist. Leaves alter- 

 nate, pinnately dissected, 1-3 in. long. Flowers about 2 in. 

 in diameter, showy, bluish. Seeds black aromatic. From 

 Eurasia. Hamilton, Erie. 



Coptis vSalisb. 

 Low erect herbs, 4-6 in. high, from a slender, yellow, root- 

 stock. Leaves basal, glabrous, evergreen, shining, 3 leaflets; 

 sepals 5-7, petaloid, deciduous; petals 5-7, minute, clubshaped, 



