Britannica Dinoflagellata 1

Description:

Summary[edit] Description: English: Peridinium divergens showing longitudinal and transverse grooves in which lie the respective flagella l.f., t.f.; s.p., large “sack pusule” discharging through a tube by pore o’; c.p., “collective pusule discharging at o, and surrounded by a ring of formative” or “daughter pusules”; n, nucleus. After F. Schutt in Engler and Prantl’s Pflanzenfamilien, by permission of Wm Engelmann. Date: 1911. Source: Encyclopædia Britannica, 1911. Author: Encyclopædia Britannica, Volume 8, Slice 5., available freely at Project Gutenberg.