Marine Plants of Nha Trang — Dawson 
423 
it among the simple, erect, vegetative 
branches. 
Since the above was written, young, sterile 
specimens, seemingly of this species, have 
been found at Isla San Benedicto, Revillagi- 
gedo Archipelago, Nov. 17, 1953. 
Gelidiopsis intricata (Ag.) Vickers 1905: 
61; Yamada and Tanaka 1938: 74, fig. 6a-c. 
Acrocarpus intricatus Kiitzing, Tab. Phyc. 
Fig. 33. a-c, Pterocladiaparva: a, A single erect axis of 11223 with its characteristic groups of pinnate branchlets, 
X 10; b, part of a tetrasporic plant of 11348 showing the elongated sori, X 12; c, a cystocarp of 11348 in lateral 
view, X 20. d, Gelidiella myrioclada: Habit of part of a tuft bearing tetrasporangial stichidia, X 8. e, Gelidiella 
tenuhsima: Part of a plant bearing a tetrasporangial stichidium, X 50. /, Gelidiella adnata: Habit of part of a tetra- 
sporangial plant of the type collection showing several young stichidia, X 28. g, Gelidiella acerosa: Habit of part 
of a plant, X 1.5. 
