JESSUP, HENRY GRISWOLD Carya amara, Nutt 55 Ulmus racemosa, Thomas 99 JOSSELYN, JOHN Sassafras officinale, Nees (_New England Rarities_, 1672) 106 KNOWLTON, C. H. Pinus rigida, Mill. (_Rhodora_, II, 124) 6 MANNING, WARREN H. vi MATTHEWS, F. SCHUYLER Morus rubra. L. 102 MICHAUX, FILS, FRANCOIS ANDRE Ulmus fulva (_Sylva of North America_, III, ed. 1853) 97 MORRIS, E. L. v MORSS, 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 Crataegus 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. Crataegus coccinea, L. (_Botanical Gazette_, XXXI, 12, 1901, by permission) 119 Crataegus mollis, Scheele (_Botanical Gazette_. XXXI, 7, 223, 1901) 121 SETCHELL, W. A. Populus heterophylla. L. 33 STONE, W. E. Quercus palustris. Du Roi (_Bull. Torr. Club_, IX, 57) 91 SWAN, DR. C. W. vi TERRY, MRS. EMILY H. Picea alba. Link 17