Szlachetko, D. L. and P. Rutkowski — Gynostemia orchidalium I-II.

Helsinki, Finnish Zoological and Botanical Publishing Board, 2000, 2002. Two parts in two. Large 8vo, 380, 275 pp.; 435, 280 text figures. Laminated full colour pictorial boards. = Two first volumes (of four planned), published in the series Acta Botanica Fennica, this being numbers 169 and 173 of this series. With the detailed descriptions of pleanandrous orchids, and Orchidaceae. The second author of part II is H. B. Margonska, instead of P. Rutkowski. Labels on front boards; library stamp on the title pages, otherwise a good clean set. Especially part I is uncommon.