Hume, Edward Putnam, 1911- Some ornamental shrubs for the Tropics. - [Washington, U.S. Govt. Print. Off.] 1951. - 151 p. illus. 24 cm. Cover-title. "Literature cited": p. 151. LCCN: agr51000322 Subjects--Topical Terms: Shrubs--Tropics. LC Class. No.: S181 / .E36 no. 34