INDEX. 



191 



PAGES 



Populus balsamifera, var. latifolia 



(Balsam, Poplar, Balm of 



36 



var. nigra, Waugh 



37-39. 171 

 34, 35 

 31, 32 



33, 34 



34, 35 

 29, 30 

 77, 78 

 66-68 



122, 123. 171 



( Gilead .... 

 candicans, Ait. . . . Balm of Gilead . . 

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

 grandidentata, Michx. Poplar, Large-toothed aspen 

 heterophylla, L. Swamp poplar, Poplar, Cottonwood 



monilifera. Ait. . . . Cottonwood 



tremuloides. Michx. . Aspen, Poplar .... 



Post oak (Quercus stellata, Wang.) . 



Poverty birch (Betula populifolia, Marsh.) 



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



Wild, Bed, Horse, 

 Canada plum 



Avium, L. Hazard cherry 128 



nigra, Ait Wild plum 122,123.171 



Wild red, Pin, Pigeon, Bird ( 



cherry ' 



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



Virginiana. L. ... Chokecherry 125, 126 



Pulse family. (Leguminosae) 129-132 



Pussy willow (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 



Pennsylvania, L. f. 



124, 125 



Quercus acuminata, Sarg. . 



alba, L 



bicolor, Willd. . . 

 coccinea, Wang, 

 coccinea, var. tinctoria 

 ilicifolia, Wang, 

 macrocarpa, Michx. 

 minor, Sarg. . . . 

 Mublenbergii, Engelm 

 nana, Sarg. . . . 

 obtusiloba, Michx. . 

 palustris, Du Roi . 

 platanoides, Sudw. 

 prinoides, Willd. Sen 



prinus, L. 

 pumila, Sudw. 



Q 



Chestnut oak 84, 85 



White oak 75-77 



Swamp white oak 80-82 



Scarlet oak 88, 89 



Gray. Black oak 89-91 



Scrub, Bear oak 93, 94 



Bur, Over-cup, Mossy-cup oak 79, 80 



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



Chestnut oak 84, 85 



Scrub. Bear oak 93, 94 



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



Pin, Swamp, Water oak . . 91-93 



Swamp white oak 80-82 



b white, Scrub chestnut oak . . 85 



Chestnut, Rock chestnut oak . 82-84 



Scrub, Bear oak 93, 94 



