INDEX. 181 



PAGES 



Betula papyrifera, var. minor, Tuckerman. Dwarf birch . . 68 



, ( Gray, Poplar, Oldfield, Poverty. ) 



populifoha, Marsh. \ I . 66-68 

 ( Small white birch . . . . J 



Betulaceae. (Birch family) 57-70 



Alnus glutinosa, Medic. . European alder 70 



Betula lenta, L Black, Cherry, Sweet birch . . 61, 62 



lutea, Michx. f. . Yellow, Gray birch ..... 63, 64 



nigra, L Eed, River birch 65, 66 



papyrifera, Marsh. White, Canoe, Paper birch . . 68-70 



var. minor, Tuckerman. Dwarf birch . 68 



(Gray, Poplar, Oldfield, Pov-) 



populifoha, Marsh. ^ ' J . ' } . 66-68 

 / erty, Small white birch . ) 



, (Hornbeam, Blue beech, Iron-) 



Carpmus Carolmiana, Walt. ] , _ ' _ } . 59, 60 

 ( wood, Water beech . . . ) 



Ostrya Yirginica, Willd. Hop hornbeam, Ironwood, Leverwood 57, 58 



Birch family. (Betulaceae) 57-70 



Birch, Black, Cherry, Sweet birch. (Betula lenta, L.) . . . . 61,62 



Canoe, White, Paper birch. (Betula papyrifera, Marsh.) 68-70 



Red, River birch . . . . (Betula nigra, L.) . . . 65,66 

 White, Gray, Oldfield, Poplar, Poverty, Small white 



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



Yellow, Gray birch. (Betula lutea, Michx. f.) . . . . 63,64 



Bird cherry (Prunus Pennsylvania, L. f.) . . 124,125 



Bitternut (Carya amara, Nutt.) 55-57 



Black ash (Fraxinus nigra, Marsh.) . . . 167,168 



birch (Betula lenta, L.) 61,62 



cherry (Prunus serotina, Ehrh.) . . . 127,128 



maple (Acer Saccharum, Marsh. , var. nigrum, Britton) 146, 147. 172 



oak ...... (Quercus velutina, Lam.) . . . 89-91 



spruce (Picea nigra, Link) 12-14 



walnut (Juglans nigra, L.) 48,49 



willow (Salix nigra, Marsh.) 42,43 



Blue beech (Carpinus Caroliniana, Walt.) . . 59, 60 



Box elder (Acer negundo, L.) 151-153 



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



Boxwood (Cornus florida, L.) 156, 157 



Braintree, Mass. Fine specimen of Ilex opaca on farm of 



Col. Minot Thayer 139 



Brittle willow (Salix fragilis, L.) 43-45 



Brown ash (Fraxinus nigra, Marsh.) . . . 167,168 



(Fraxinus Pennsylvanica, Marsh.) 164, 165 



Bur oak (Quercus macrocarpa, Michx. ) . 79, 80 



Butternut (Juglans cinerea, L.) 46,47 



Buttonball (Platanus occidentalis, L.) . . . 110, 111 



Buttonwood " - " ... 110,111 



