Marine Plants of Nha Trang — DAWSON 
407 
Fig. 22. (All drawings X 1.5) a, b, Sargassum sp. 2: a, A "leaf”; b, a vesicle. c~e, Sargassum sp. 3: "Leaves” and 
vesicles showing variation./, Sargassum crassifolium: A duplicate "leaf” from a young plant, g, h, Sargassum sp. 1: 
g, Two "leaves,” the broader form being of infrequent occurrence; h, vesicles. /, /, Sargassum sp. 4: "Leaf” and 
vesicles, k-o, Sargassum mcclurel: k-m, "Leaf” and two vesicles from 11423; n, o, "leaf” and two vesicles from 11360. 
p, q, Sargassum sp. 3: "Leaves” and vesicles showing variation (compare with c, d, e). r, s, Sargassum sandei: "Leaf” 
and vesicles, t, u, Sargassum polycystum: "Leaves” and vesicles. 
