49 



Acorus. 

 A. calamus. Sweet Flag. Off. Swamps. Flowers green . June, 

 July. Properties stimulant, tonic, stomachic. 

 Ord.— TYPHACEjE. 

 Typha. 

 T. latifolia. Cat-tail. Reed Mace. Muddy pools and ditches. 

 Leaves made useful for weavmg the seats of chairs. 

 Ord— ALISMACEiE. 

 Alisma. 

 A. Plan ago. (A. Parviflora. Ph.) Water Plantain. Ponds, 

 ditches. Reputed remedy for hydrophobia- Leaves rubefacient. 

 Ord— ORCHIDACEjE. 

 Orchis. 

 orbiculata . Pursh. (Platanthera. Lindl.) Woods. Flow- 

 ers greenish white. July. Fresh leaves used to dress blisters. 



Goo DYER A. 

 G. pubescens. Br. Rattlesnake Plantain. Woods. Flowers white. 

 July, Aug. Remedy for scrofula 



Cypripedium. 

 C. candidum. Willd. White-flowered Ladies' -slipper. Moccasin- 

 flower. Prairies. Flowers white. May. Properties sedative, anti- 

 spasmodic, nervine, similar to valerian. 



C. parviflorurn. Salisb. Yellow Ladies'-slipper. Prairies. Flow- 

 ers purple. May, June. Properties like first. 



Ord.— HiEMODORACEiE Bloodroots: 

 Aletris. 

 A.farinosa. (A. alba. Mx.) Star-grass. Colic Root. Low 

 grounds. Flowers white. July. Properties tonic, stomachic, and 

 emetic in large doses. 



Ord.— IRIDACE.E. 

 Iris. 

 /. versic lor. Blue Flag. Wet grounds. Flowers blue. June. 

 Properties cathartic, emetic, diuretic and alterative. 



Sisyrinchium. 

 S. anceps ( S. gramineum. Lam.) Blue- eyed Grass. Low grounds. 

 Flowers blue. June, July. Properties cathartic. Employed by Thomp- 

 sonians under the name of Physic grass. 



Ord.— DIOSCOREACE.E. Yam Roots. 

 Dioscorea, 



D. villosa. (D. quaternata. Ph.) Yam Root. Thickets. ¥ 

 yellow and white. June, July. Prop. A decoction of root good in 

 bilious colic. Emetic, diaphoretic and expectorant. 



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