INDEX. 



191 



( Balsam, Poplar, Balm of 

 Populus balsamifera, var. latifoha j QH ]i 



36 



candicans, Ait. . . 



deltoides, Marsh. . . Cottonwood, Poplar . . . 

 grandidentata, Michx. Poplar, Large-toothed aspen 

 heterophylla, L. Swamp poplar, Poplar, Cottonwood 



Balm of Gilead .... 37-39. 171 



34, 35 

 31, 32 

 33, 34 



monilifera, Ait. . . . Cottonwood 34, 35 



tremuloides, Michx. . Aspen, Poplar 29, 30 



Post oak (Quercus stellata, Wang.) . . 77, 78 



Poverty birch (Betula populifolia, Marsh.) . 66-68 



Prunus Americana, Marsh. . . Wild plum 123, 124. 171 



, ( Wild, Eed, Horse, ) , 



var. mgra,Waugh| [ 122, 123. 171 

 3 ( Canada plum ) 



Avium, L Mazard cherry 128 



nigra, Ait Wild plum 122,123.171 



, ( Wild red, Pin, Pigeon, Bird ) 



Pennsylvania, L. f. { [ . 124, 125 



( cherry ) 



serotina, Ehrh. . . . Rum, Black cherry .... 127, 128 



Virginiana, L. ... Chokecherry 125, 126 



Pulse family. (Leguminosae) 129-132 



Pussywillow (Salix discolor, Muhl.) . 40,41.171 



Pyrus Americana, DC. . . . Mountain ash 112, 113 



aucuparia European mountain ash . . 113. 115 



communis, L Pear tree 115 



malus, L Apple tree 115 



sambucifolia, Cham. & Schlecht. Mountain ash . . . 113-115 



Q 



Quercus acuminata, Sarg. . . Chestnut oak 84, 85 



alba, L White oak 75-77 



bicolor, Willd. . . . Swamp white oak 80-82 



coccinea, Wang. . . Scarlet oak 88, 89 



coccinea, var. tinctoria, Gray. Black oak 89-91 



ilicifolia, Wang. . . Scrub, Bear oak 93, 94 



macrocarpa, Michx. . Bur, Over-cup, Mossy-cup oak 79, 80 



minor, Sarg Post, Box white oak .... 77, 78 



Muhlenbergii, Engelm. Chestnut oak 84, 85 



nana, Sarg Scrub, Bear oak 93, 94 



obtusiloba, Michx. . . Post, Box white oak . . . . 77, 78 



palustris, Du Roi . . Pin, Swamp, Water oak . . 91-93 



platanoides, Sudw. . Swamp white oak 80-82 



prinoides, Willd. Scrub white, Scrub chestnut oak . . 85 



prinus, L Chestnut, Eock chestnut oak . 82-84 



pumila, Sudw. . . . Scrub, Bear oak 93, 94 



