8936: The cell structure - minute size may suggest atrumens. The cells are irregular in size & appear thick walled from chlorophyll clinging to them but are really firm walled with minute trigones. The colour is greenish, not blue green & the leaves distinctly wider, usually wider than long, making in that respect some approach to S. schiffneri, leaves somewhat oblique below nearly transverse above & subsecund cells of perianth slightly large, avg 21 irregular, firm walled, flat, trigones usual none. cells of stem isodiametric, avg 30 green; inner stem cells long narrow 11-14 dia hyaline. Good section. Inner cells avg 15 11-20 thin walled almost hyaline. Outer layer abruptly longer, avg 26, thicker walled; outer layer verrucose