Plate 4. <br>Figs. 1-2. <i>Spermothamnion phycophilum</i>. Fig. 1, wide forks of a female plant showing a mature carposporangial cluster. Fig. 2, a narrowly forked vegetative filament, x 70. I. Santa Maria. [= syn. of <i>Tiffaniella phycophila</i> (W.R.Taylor) E.M.Gordon, AlgaeBase]<br><p>Figs. 3-10. <i>Lejolisia colombiana</i>. Figs. 3-7, portions of tetrasporangial filaments showing the long stalked sporangia and, in figs. 3 and 5, the long sterile filament tips. Fig.6 shows the development of branchlets opposite sporangia, which occasionally occurs. Figs. 9, 10, tips of male filaments with terminal spermatangial clusters. Fig. 8, tip of a female filament, showing the pericarplike investment which surrounds the cystocarp. x 15 5. Colombia.<br></p>
Figs. 11-12. <i>Ceramium hoodii</i>. Fig. 11, tip of a filament showing the forcipate apex and the narrowly separated zones of nodal cortication composed of irregularly placed cells. Fig. 12, a portion of a young filament showing two segments and parts of two others, the nodal cortication irregular, the decurrent internodal cortication now well begun and consisting of clear longitudinal filaments, x155. I. Espanola.
Taylor, William Randolph 1945. Pacific marine algae of the Allan Hancock Expeditions to the Galapagos Islands. <i>Allan Hancock Pacific Expeditions</i>; v. 12. University of Southern California.
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