1045a Cratægus multipes n. sp. (W. W. Ashe in Bulletin 175 N. C. Experiment Station, August, 1900.) Ohio, E. E. Bogue, Coll. 1132a Dolichos lablab L. Hyacinth Bean. Escaped from cultivation in several places in Columbus. Found growing on vacant lots, surrounded by large weeds. John H. Schaffner. 1188a Rhus cotinus L. Escaped, Mt. Pleasant, Jefferson County. W. A. Kellerman. 1219a Ampelopsis cordata Michx. Scioto County. Previously reported for Ohio. W. A. Kellerman. 1255 Lechea minor L. Steubenville, Ohio. H. N. Mertz. 1487a Gilia coronopifolia Pers. Growing in a cemetery near Madison, Lake County. Spreading slowly. F. J. Tyler. 1729 Euphorbia lathyris L. Pomeroy, Meigs County. W. A. Kellerman. 1919a Polymnia canadensis var. radiata Gray. Cedar Point. Very abundant. R. F. Griggs. 1943a Helianthus maximiliani Schrad. Sandusky. A single plant along railroad tracks. R. F. Griggs. COLLECTING AND PRESERVING MICROSCOPIC PLANTS. Small plants like Desmids, Diatoms, etc., may be preserved in water, in homeopathic vials, provided a drop of carbolic acid is added to each bottle of material. In this way they will keep for a long time with very little change of color and contents. J. H. S. ------------------------------------------------------------------------ _Ohio State University_ Six distinct and independent Colleges, each with a Dean and Faculty of its own. THIRTY SEVEN DEPARTMENTS. AGRICULTURE, ARTS, LAW, THIRTY DISTINCT COURSES. ENGINEERING, PHARMACY, VETERINARY MEDICINE. Superior facilities for education in Applied Science. Short or special courses for mature students not candidates for degrees. One hundred and twenty one instructors. Over thirteen hundred students. FINEST GYMNASIUM IN THE WEST. _For further information address the President,_ DR. W. O. THOMPSON, STATE UNIVERSITY, COLUMBUS. -------------- Ohio Forest Trees Identified by Leaves and Fruit. By W. A. KELLERMAN, PH. D., Ohio State University. A neat pamphlet for every one who wishes to learn our native forest trees. Keys simple. Description plain. Can learn the names of the trees easily. Price reduced from 25 cents to 10 cents. Also, =The Fourth State Catalogue of Ohio Plants.= Bound copies at cost of binding, namely 20 cents. Gives list of scientific and common names; distribution by counties. Teachers and others will also be interested in Prof. Kellerman’s Phyto-theca or Herbarium Portfolio, _Practical Studies_ in Elementary Botany, _Elementary Botany_ with Spring Flora, all published by Eldredge & Bro., Philadelphia, to whom apply. For information or copies of _Forest Trees_ and _Catalogue_ or names of plant specimens of your region _address_