43 



Polygonum Virginianum. Shades. Flowers white. Aug. Prop- 

 erties astringent. 



Polygonum sagVtatum. Scratchgrass. P. Convolvulus. Knot 

 Bindweed. P. Scandens, Climbing Knotgrass. 



Polygonum fa gopy rum. Buckwheat. The fruit of the two former 

 might be substituted for this. 



Rumex. 



R. crispus. Yellow Dock. Carled Dock. Off. Introduced. Cul- 

 tivated grounds. June. Properties astringent, tonic, alterative and 

 antiscorbutic. Cutaneous diseases. Itch. 



R. sanguineous. Bloody-veined Dock. Fields. Flowers red. Ju- 

 ly. Properties astringent. Applied to cancerous ulcers. 



R. briltanicus. British Water Dock. Muddy places. July. Prop, 

 similar to R. Crispus. 



R. aquaticus. Great Water Dock Ponds. July. Prop Root 

 very astringent, similar to R. Crispus. 



R. allissimus. Wood. (R. verticillata. Mead) Peach-leaved 

 Dock. Wet prairies. June. Properties astringent, tonic. 



R. ob'usifolius. Broad-leaved Dock. Fields, waste places. July. 

 Properties astringent, cutaneous diseases. 



R. acetosella. Field Sorrell. Sheep Sorrell. Pastures, waste 

 grounds. Flowers red. Properties refrigerant, diuretic and antiscor- 

 butic. 



Ord.— PHYTOLACCACE.E. 

 Phytolacca. 



P. decandria. Polk. Garget. Jalap. Roadsides, fields. Flow- 

 ers greenish white. July. Properties, Leaves are purgative, also to 

 dress ulcers. Emetic, cathartic, narcotic. 



Ord— LAURACEjE. 

 Benzoin. 



B. odoriferum. Nees. (Laurus Benzoin. Linn.) Fever-bush, 

 Spice-wood. Moist woods. Flowers greenish. May. Prop. Ber- 

 ries aromatic, substitute during the Revolution for allspice. Bark ar- 

 omatic, tonic, stimulant, intermittent fever. Flowers local applied to 

 itch, &c. 



Sassafras. 



S. officinale. (Laurus Sassafras. Linn.) Sassafras. Off. For- 

 ests, bluffs near Keokuk. Properties aromatic, stimulant, diaphoret- 

 ic and demulcent. 



Ord.— SANTALACEjE. 

 Nvssa. 



.V. multiflora. Walt. (N. villosa. Miehx.) Pepperidge. Tulepo 



