Show new book describes Describe sl rocky mt trees lists 77 species known to be growing in utah alone AMES AJMES iowa may lo 10 loof of species of if trees growing in the nine states cf f tilt rocky mountain region 77 are known to be growing ia in utah alone according to a new illustrated manual entitled rocky trees alm uy oy richard kichard J preston of colorado state college fort collins Col liiM publication of the manual was announced may alay by the iowa state college press ames iowa the new manual makes possible tile the identification and understanding of all athe ath e or naturalized trees in arizona colorado idaho montana nevada now new mexico western texas utah and wyoming it contains full page plates howing bowing the growing range and tile rile leaves flowers flower twigs fruit and other characteristics of species opposite each plate is a one page description of the habit I 1 laves flowerie flo weite weris fruit twigs bark wood ell vical chartters cha caiaro rAters aters and habitat if f tile the slie species cies illustrated other features of the book include i 1 complete glossary for the aid of perse ns unfamiliar with tree leys heys to genera and species and a discus aon aon of the character of the rocky hesion of 15 years devoted to study and work in the field of forestry preston spent many years in the rocky mountain region itself as junior forester in ill wyoming timber cruiser in idaho ind as r ranger fiig r naturalist for the L uni ni ic bcd lcd 1 I states sta tes forest service since 1930 1936 lie le has served serve ms ais associate professor of forester at state college |