56 AMERICAN MEDICINAL BARKS. 



Page. 

 Pine, American deal, American white, northern, soft deal, spruce, and Wey- 

 mouth. See Pine, white 9-10 



white, description 9-10 



Pinus strobus. See Pine, white 9-10 



Poison-ash. See Fringe-tree 45-46 



berry and poison-flower. See Bittersweet 46-47 



Pond-dogwood. See Buttonbush 47—48 



Poplar, American. See Aspen 11-12 



blue, and hickory. See Poplar, tulip 23-25 



trembling. See Aspen 11-12 



tulip, description 23-25 



white. See Aspen 1 1-12 



yellow. See Poplar, tulip 23-25 



Populus tremuloides. See Aspen 11-12 



Prairie-bush, stinking. See Ash, wafer 33-34 



grub. See Ash, wafer 33-34 



Prices, approximate, of medicinal barks 9 



Prickly ash, description 31-33 



northern, southern, and yellow. See Ash, prickly 31-33 



Prinos and P. verticillata. See Alder, black 34 



Prune-bark, Virginian. See Cherry, wild 30-31 



Prunus serotina and P. virginiana. See Cherry, wild 30-31 



Ptelea and P. trifoliata. See Ash, wafer 33-34 



Purshiana bark. See Cascara sagrada 38-40 



Pushion-berry . See Bittersweet 46-47 



Pussy-willow. See under Willow, white 13 



Pyrus americana. See Ash, American mountain 29-30 



Quaking asp. See Aspen 11-12 



Quercus and Q. alba. See Oak, white 18-20 



Quick-beam. See Ash, American mountain 29-30 



Quinine-tree. See Ash, wafer 33-34 



Quiverleaf . See Aspen 11-12 



Red-brush. See under Dogwood 43 



rod. See under Dogwood 43 



Rhamnus calif ornica and R. purshiana. See Cascara sagrada 38-40 



River-birch. See Birch, sweet 16-18 



bush. See Buttonbush 47-48 



Rock-elm. See Elm, slippery 20-21 



Rope-bark. See Moosewood 43-44 



Rose-elder. See Cramp-bark tree 48 



gueldres, love, and May. See Cramp-bark tree 48 



willow. See under Dogwood 43 



Round-tree and round wood . See Ash, American mountain 29-30 



Rowan-tree, American. See Ash, American mountain 29-30 



dog. See Cramp-bark tree 48 



Roxbury waxwork. See Bittersweet, false 36 



Rubus, R. canadensis, R. cuneifolius, R. nigrobaccus, R. procumbens, R. 



trivialis, and R. villosus. See Blackberry 28-29 



Rum-cherry. See Cherry, wild 30-31 



Sacred bark. See Cascara sagrada 38-40 



Saddle-leaf and saddle-tree. See Poplar, tulip 23-25 



139 



