Dissertationem academicam de calore plantarum proprio, venia ampl. fac. phil. Ab. Publice proponunt Joh. Fredr. Wallenius, phil. et med. doctor, assessor R. coll. med. hon. fac. med. adj. ord. et demonstrator botanices, Regg. Societt. Patriot. Holm. et Oecon. Fenn. membrum, hujusque secretarius, et respondens Gottlieb Christoph. Enckell, Satacundensis. In auditorio superiori die X Junii MDCCCI, horis ante meridiem solitis.1.1.1801