21 



Ptdea trifoliata. Shrubby Trefoil. Stinking prairie bush. Stink- 

 ing Ash. F. white. May. Prop. Antiperiodic, young shoots an- 

 thelmintic, And the fruit used as a substitute for hops. 

 Ord.— ANACARDIACE.£. * Rhus. 



Rhus glabra, Smooth Sumach. Upland Sumach. Off. Second 

 Fields, woods &c. F. gr. red. June, July. Bark and leaves are 

 aromatic and astringent, and contains tannin used in tanning morocco 

 leather. The fruit is acid, which resides in the hairs of the surface, 

 and is owing to the bi-malate of lime. Refrigerant. Leaves dye red. 



Rhus typhena. Stag-horn Sumach. Rocky places. F. G. W. 

 June. Prop, similar to last with the exception that its wood is yellow 

 and used in dyeing. 



Rhus vennenata. D. C. (R* vernix Linn.) Poison Sumac. Dog- 

 wood. Officinal. Swamps. F. green. June. Prop Poisonous, 

 taints the air around it, juice employed as an indelible ink. Leaves 

 stimulant and narcotic. 



Rhus Toxicodendron Poison Oak. Poison Ivy. Officinal. 



Flowers small. Woods. Prop. Leaves stimulant, narcotic, diaphor- 

 etic and diuretic. Poisonous. 



Rhus aromatica. Ait. Sweet Sumac. On Red Cedar river. 

 Hedges. F. V May. Prop, similar to Rhus glabra. 



Rhus radicans, Torr. Poison Ivy. Poisonous. 

 Ord.— MALVACEAE. Malva. 



Malva rotundifolia. Low Mallow. Officinal. Xauiralized. Com- 

 mon. F. Pink. June to Oct. Prop. Emollient and demulcent. 



Malva syfoesiris High Mallow. Officinal. Naturalized. Fields, 

 gardens. F. red. Prop, same as first. 



Malva Houghtonii. Houghton's Malva. Prairies. F. July and 

 Aug. Prop, similar to last. 



Callirrhoe. Nutt. 



Callirrhoe triaugulata. Prairies. F. Red. Root farinaceous and 

 eaten by Indians. 



Nap^ea. 



Napaea dioica. Lin. (Sida dioica Cav.) Glade Mallow. Rich 

 calcareous soil. F. white. Aug. Prop. Demulcent. 

 Ord.— TILIACEjE. Tilia. 



Tilia Americana. Linden or Lime Tree. Bass wood. Pumpkin 

 wood. Woods. Flower Yellowish. June. Prop. Mucilaginous, a 

 tough inner bark, the outer of which is astringent. Inner bark man- 

 ufactured into ropes. Wood employed for Cabinet work, also pan- 

 neling. 



Tilia peterophylla. Vent. Various-leaved Linden Banks «>l 

 Miss. Prop, similar to the last. 



