TRELEASE, WILLIAM Acer Saccharum, Marsh., _var._ barbatum 172 TUCKERMAN, EDWARD Betula papyrifera, _var._ minor, Marsh. 68 WAGHORNE, A. C. Crataegus coccinea, L. (1894) 119 ABBREVIATIONS. Ait.--Aiton, William. Barratt, Joseph. B. S. P.--Britton, Nathaniel Lord, Sterns, E. E., and Poggenburg, Justus F. Borkh.--Borkhausen, M. B. Carr.--Carriere, Eli Abel. Cham.--Chamisso, Adelbert von. Coulter, John Merle. DC.--De Candolle, Augustin Pyramus. Desf.--Desfontaines, Rene Louiche. Du Roi, Johann Philip. Ehrh.--Ehrhart, Friedrich. Engelm.--Engelmann, George. Gray, Asa. Jacq.--Jacquin, Nicholaus Joseph. Karst.--Karsten, Hermann Gustav Karl Wilhelm. Koch, Wilhelm Daniel Joseph. L.--Linnaeus, Carolus. L. f.--Linnaeus, fils, Carl von. Lam.--Lamarck, J. B. P. A. de Monet. Lamb, Aylmer Bourke. Link, Heinrich Friedrich. Marsh.--Marshall, Humphrey. Medic.--Medicus, Friedrich Casimir. Michx.--Michaux, Andre. Michaux, fils.--Francois Andre. Mill.--Miller, Philip. Moench, Konrad. Muhl.--Muhlenberg, H. Ernst. Nees--Nees von Esenbeck, C. G. Nutt.--Nuttall, Thomas. Peck, Charles H. Poggenburg, Justus F. Pursh, Friedrich Trangott. Roem.--Roemer, Johann Jacob. Sarg.--Sargent, Charles S. Scheele, A. Schlecht--Schlechtendal, D. F. L. von. Schr.--Schrader, Heinrich A. Spach, Eduard. Sterns, E. E. Sudw.--Sudworth, George B. Sweet, Robert. T. and G.--Torrey, John, and Gray, Asa. Thomas, David. Vent.--Ventenat, Etienne Pierre. Walt.--Walter, Thomas. Wang.--Wangenheim, F. A. J. von. Watson, Sereno. Waugh, Frank A. Willd.--Willdenow, Carl Ludwig. TREES OF NEW ENGLAND. PINOIDEAE. PINE FAMILY. CONIFERS. ABIETACEAE. CUPRESSACEAE. Trees or shrubs, resinous; leaves simple, mostly evergreen, relatively small, entire, needle-shaped, awl-shaped, linear, or scale-like; stipules none; flowers catkin-like; calyx none; corolla none; ovary represented by a scale (ovuliferous scale) bearing the naked ovules on its surface. ABIETACEAE. LARIX. PINUS. PICEA. TSUGA. ABIES.