Part 3

Fraxinus Pennsylvanica, Marsh. 164

Fraxinus Pennsylvanica, var. lanceolata, Sarg. 166

Juglans nigra, L. (in lit., 1896) 48

Morus rubra, L. 102

Populus heterophylla, L. 33

Quercus Muhlenbergii, Engelm. 84

Thuja occidentalis, L. 23

BISSELL, C. H. v

Crataegus Crus-Galli, L. 117

Pinus sylvestris, L. (in lit., 1899) 12

Prunus Americana, Marsh. (in lit., 1900) 123

Rhus copallina 137

BRAINERD, EZRA Carya porcina, Nutt. 53

Crataegus punctata, Jacq. 118

Ulmus racemosa, Thomas 99

BREWSTER, WILLIAM Pinus Banksiana, Lamb 8

BRITTON, NATHANIEL LORD Acer Saccharum, var. nigrum 172

BROWNE, D. T. Ilex opaca (Trees of North America, 1846) 139

Bulletin Torrey Botanical Club, XVIII, 150

Pinus Banksiana, Lamb 8

CHAMBERLAIN, E. B. Ulmus fulva, Michx. (1898) 97

CHURCHILL, J. R. Prunus Americana, Marsh. 123

COLLINS, J. F. v Gleditsia triacanthos, L. 129

DAME. L. L. Crataegus Crus-Galli, L. 171 Salix fragilis, L. (Typical Elms and other Trees of Massachusetts, p. 85) 44

DAY, F. M. Pinus Banksiana, Lamb 8

DEANE, WALTER Sassafras officinale, Nees (1895) 106

DUDLEY, W. R. Populus heterophylla, L. 33

EGGLESTON, W.W. Carya porcina, Nutt. 53 Celtis occidentalis, L. 100 Morus rubra, L. 102 Platanus occidentalis, L. 110 Populus deltoides, Marsh. 34 Sassafras officinale, Nees. 106 Ulmus racemosa, Thomas. 99