106 J» M. NICKELL’S BOTANICAL READY REFERENCE. 
POLYGONUM ARIFOLIUM. Sickle Grass. Joint Weed. 
Halbert-leaved Tear Thumb. Hastate Knot Grass. Tear Thumb. 
Root and Plant. ast. vul. 
783—— 
stage: oioagat heh AVICULARE, Erect Knot Grass. Knot 
rass. Bird Weed. Cow Grass. Birds’ Knot Grass. Goose Grass. 
Swine’s Grass. Ninety Knot, 
Root. ast. vul. Seed. aro. pur. eme. 
——] 
POLYGONUM BISTORTA. Bistort. Patience Dock. Offici- 
nal Bistort. Snake Weed. Sweet Dock. Dragonwort. Red Legs. 
Easter Giant. 
Boot. ast, diu. alt, sad, 
1785—— 
POLYGONUM CONVOLVULUS. Blackbird Weed. 
Climbing Buckwheat. Bind Weed. 
+ Used as Buckwheat. 
POLYGONUM HYDROPIPER. European Water Pep- 
w. Sickle Weed. Red Knees, Lake Weed. Biting Knot Weed. 
ater Pepper. Door Weed. - 
Ves. acr, pun. a-sep. ape. diu, 
1787 
POLYGONUM HYDROPIPEROIDES. Mild Water 
Pepper. 
Leaves. a-sep. ape. diu. 
1788-—— 
POLYGONUM PERSICARIA. Spotted Knot Weed, 
Heartsease. Ladies’ Thumb, Knot Weed. Door Weed. Peach- 
wort. Heart’s Ear. Pink Weed. Red Shanks. 
Plant. vul. a-sep. 
—1789 
POLYGONUM PUNCTATUM. American Water Pep- 
per. Water Pepper. Smart Weed. Arsmart, 
Plant, acr. ast. dia. ton. 
1790 — 
POLYGONUM TINCTORIUM. Indigo Plant. 
Plant. Said to yield Indigo. 
———— Fe  -—~— 
POLYGONUM VIRGINIANUM. Virginia Bistort. 
Plant. ast. ton. diu. 
——1792—— 
POLYMNIA CANADENSIS, Leaf Cup, 
Plant, vul. ton. a-spa. 98 
POLYMNIA UVEDALIA. Yellow Leaf Cup. Bear's 
Foot. Uvedalia. 
Plant. vol. ton. a-spa. 
794—_ 
POLYPODIUM CALAGUALA. CaHahuala Root. 
Root, diu. In Dropsy and Pleurisy. 
——-1795—— 
POLYPODIUM FRAGILE. Cup Fern. Bladder Fern. 
Plant. Used as Adiantum Pedatum. 
—-1796—_ 
POLYPODIUM INCANUM. Rock Brake, Bracken. 
Root, dem. cat. ant. 
\ —-—1797——_ 
POLYPODIUM VULGARE. Poly Poddy. Rock Brake. 
Common Poly Poddy. Rock Poly Pod. Brake Fern. Brake Rock. 
Stone Brake. Fern Brake. Brake Root. Female Fern. Fern Root. 
Plant. div. cho. pur. sac. 
9 
POLYTRICHUM JUNIPERUM. Hair Cap Moss. Bears’ 
a se > sag Moss. Robin’s Rye. May Queen Moss. 
an iu, 
