Within the frame work of general cytotaxonomic studies of various Galium species the following species were included: Galium rotundifolium L., Galium arenarium Lois., Galium triflorum Mich., Galium uliginosum L., Galium pumilum Murr., Galium sterneri Ehrend., Galium oelandicum (Stern, et Hyl.) Ehrend., Galium spurium L., Galium tricornutum Dandy, Galium verrucosum Huds. and Galium purpureum L. Combined cytological and morphological studies were made on plants cultivated under uniform conditions during several years.