Handbook of the Trees of New England

RSS, CHARLES H. vi

OAKES, WILLIAM Morus rubra, L. 102

PARLIN, J. C. Sassafras officinale, Nees (1896) 106

PRANTL, KARL VON v

PRINGLE, C. G. Pinus Banksiana, Lamb 8 Pyrus sambucifolia, Cham. & Schlecht 113 Quercus Muhlenbergii, Engelm 84

RAND, E. L. Pinus Banksiana 8

Rhodora, III, 234 Acer Saccharum, Marsh., var. barbatum, Trelease 172 Acer Saccharum, Marsh., var. nigrum, Britton 172

Rhodora, III, 58 Ilex opaca, Ait. 139

Rhodora, III, 234 Prunus Americana, Marsh 171

ROBBINS, JAMES W. Sassafras officinale, Nees 106 Ulmus racemosa, Thomas 99

ROBINSON, DR. B. L. vi

ROBINSON, JOHN Cratægus coccinea, L. (1900) 119

ROBINSON, R. E. Pinus Banksiana, Lamb 8

RUSSELL, L. W. Diospyros Virginiana. L. 161 Quercus palustris, Du Roi 92 Quercus stellata. Wang 77

SARGENT, CHARLES S. Cratægus coccinea, L. (Botanical Gazette, XXXI, 12, 1901, by permission) 119 Crat