Author: Sivak, J.
Title: Histoire du genre Tsuga en Europe d'après l'étude des grains de pollen actuels et fossiles.
Description: Montpellier, Paleobiologie Continentale, 1978. Two parts (text and atlas) in two. 4to (29.3 x 21.7 cm). [iv], 226, [xxii] pp.; 159 plates with explanatory text leaves. Uniform blue wrappers with printed title on front wrappers. = An excellent monograph, indispensable for the study of the hemlocks (conifers) of great palaeobotanical importance. Published as volume IX of the journal. the last 22 pages of the text volume contain a map, explicative illustrations, and several tables. Author's name handwritten on the spines, otherwise an excellent, clean set. Rare.

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