Marine Plants of Nha Trang — Dawson 
435 
Fig. 46. a, b, Titanophora pulchra: a, Transectional diagram of a part of a sterile cortex, X 400; b, antheridial 
filaments from the cortex, X 700. c, Hypnea cornuta: Part of an axis bearing several stellate processes, X 8. d, 
Hypnea cervkornis: Habit of a small part of a matted plant showing shell fragments attached by small discs, X 3. 
e-g, Hypnea mdulans: e. Part of a vegetative thallus, X 'i\ f, tetrasporangial branchlet with its saddle-shaped 
nemathecium, X 10; g, a small, terminal portion of a cystocarpic thallus, X 7. h-j, Hypnea esperi: h, Part of an 
axis of 11402 bearing tetrasporangial branchlets, X 21; /, a small part of a plant of 11349 showing the small 
attachment discs, X 11.5;/, tetrasporangial branchlets, X 35. k, Hypnea boergesenn: A relatively young part of an 
axis showing the short branchlets which become denser in older parts, X 10. /, Hypnea valentiae: Part of an axis 
showing the slender ultimate branchlets, X 8. 
