Houghton, Mifflin and Company / The Riverside Press, Boston & New York. 1905-1922.  Oakes Ames, Orchidaceae: Illustrations and Studies of the Family Orchidaceae. Issued from the Ames Botanical Laboratory, North Easton, Massachusetts.  Seven volumes. First editions. Hardcovers in 1/4 dark brown linen and brown paper covers. Majority of volumes have uncut pages, except for title pages and Tables of Contents. Fascicles. 1-3 are without special title -- fasc. 4. The genus Habenaria in North America / Oakes Ames ; with twenty etchings by Blanche Ames; -- fasc. 5. The genera and species of Philippine orchids -- fasc. 6. The orchids of Mount Kinabalu, British North Borneo / Oakes Ames and Charles Schweinfurth. Notes on Philippine orchids VII / Oakes Ames ; with twenty-two etchings by Blanche Ames. -- fasc. 7. Pogonia and its allies in the Northeastern United States and other papers / Oakes Ames ; with thirteen plates by Blanche Ames. Pagination: more than 1600 pages with 114 engraved plates. Fascicles 1 - 4 have title pages in black; fascicles 5 - 7 have title pages in red and black. The brown paper used in the covers differs among the volumes. All volumes are clean and unmarked. Bindings are all sturdy.  Bindings were probably completed later than publication dates. Very little if any foxing. # 8098.