. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. 1/0 Bulletin So. Calif. Academy Sciences / Vol. 66, No. 3, ic>67 fig 7. Figures 7-8. Schizymenia borealis. Fig. 7. Habit of a portion of a thallus (torn at left), which measured meters in diameter, showing also a basal portion (lower right) also torn away from thallus. x 1/6 natural size. Fig. 8. Transverse section showing relationship of medullary and cortical tissues, the latter with gland cells and irregularly divided tetrasporangia. 2 meters in diameter. Sections 980-1200 p. in thic
. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. 1/0 Bulletin So. Calif. Academy Sciences / Vol. 66, No. 3, ic>67 fig 7. Figures 7-8. Schizymenia borealis. Fig. 7. Habit of a portion of a thallus (torn at left), which measured meters in diameter, showing also a basal portion (lower right) also torn away from thallus. x 1/6 natural size. Fig. 8. Transverse section showing relationship of medullary and cortical tissues, the latter with gland cells and irregularly divided tetrasporangia. 2 meters in diameter. Sections 980-1200 p. in thickness, the medulla up to 10 times the thickness of the cortical regions. Outer cortex of 6-7 rows of cells, the inner 1 -2 layers terminating rather abruptly to a tightly packed medulla. Gland cells inconspicuous, best seen in stained sections, 25 x 9-12 jx (but up to 25 ,jx long). Cystocarps 150-200 ,/j, in diameter, scarcely raising the thallus surface, with very few sterile filaments at the base. Carpospores closely appressed. Carpostome a small little-modified pore. Sperma- tangia not seen. Tetrasporangia 40-80 x 20-30 fi, irregularly cruci- ately to irregularly zonately divided; scattered over the thallus. Type specimen: Abbott 3253, cystocarpic, in G. M. Smith her- barium collected off Blakely Island, San Juan Archipelago, Wash- ington in 13 meters by Michael Neushul, Sept. 20, 1962. Other. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Southern California Academy of Sciences. Los Angeles, Calif. : The Academy
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