Feb., 1906.] 
Check List of Ohio Trees. 
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“ velutina Lam. Quercitron Oak. 
“ nana (Marsh.) Sarg. Bear Oak. S. T. 
“ marylandica Muench. Black-Jack (Oak.) 
“ imbricaria Mx. Shingle Oak. 
“ alba L. White Oak. 
“ minor (Marsh.) Sarg. Post Oak. S. T. 
“ macrcicarpa Mx. Bur Oak. 
“ platanoides (Lam.) Sudw. Swamp White Oak. 
“ prinus L. Rock Chestnut Oak. 
“ acuminata (Mx.) Houd. Chestnut Oak. 
“ alexanderi Britt. Alexander's Chestnut Oak. 
“ prinoides Willd. Scrub Chestnut Oak. S. T. 
Order, Urticales. 
Family, Ulmaceae. 
Ulmus americana L. White Elm. 
“ racemosa Thom. Cork Elm. 
“ fulva Mx. Slippery Elm. 
Celtis occidentalis L. Common Hackberry. 
Family, Moraceae. 
Morus rubra L. Red Mulberry. 
“ alba L. White Mulberry I. 
Toxylon pomiferum Raf. Osage-orange. I. 
Broussonetia papyrifera (L.),Vent. Paper-mulberry. I. 
Subclass, CHORIPETAl..\E. 
Order, Ranales. 
Family, Magnoliaceae. 
Magnolia acuminata L. Cucumber Magnolia. 
Liriodendron tulipifera L. Tuliptree. 
Family, Anonaceae. 
Asimina triloba (L.) Dun. Papaw. S. T. 
Family, Laiiraccae. 
Sassafras sassafras (L.) Karst. Sassafras. 
* Order, Rosales. 
Family, Hamamelidaceac. 
Hamamelis virginiana L. Witch-hazel. S. T. 
Liquidambar styraciflua L, Sweet-gum. 
Family, Platanaceae. 
Platanus occidentalis L. Sycamore. 
Family, Rosaceac. 
Subfamil)s Pomoidcae. 
Sorbus americana Marsh. American Mountain-ash. 
“ sambucifolia (C. & S.) Roem. Elderleaf Mountain-ash. 
aucuparia L. European i\Iountain-ash. I. 
Pyrus communis L. Pear. I. 
Malus angustifolia (Ait.) Mx. Narrowleaf Crab-apple. 
“ coronaria (L.) Mill. Fragrant Crab-apple. 
“ malus (L.) Britt. Common Apple. I. 
Amelanchier canadensis (L.) Medic. Comm.on Juneberry. 
botryapium (L. f.) DC. Swamp Juneberry. S. T. 
“ rotundifolia (Mx.) Roem. Roundleaf Juneberry. S. T. 
