New and Interesting Cyanophytes from the Kowie river system in the Eastern Cape Province (South Africa) II.

Abstract

The thallus is not gelatinous but is diffuse and pale grey-green in colour. The trichomes are without a sheath and are straight or curved, often closely entangled and rarely coiled. The dull blue- green trichomes are markedly constricted at the cross-wall and 4-5U broad. The vegetative cells are fairly uniform in appearance being most commonly barrel-shaped and distinctly longer that they are broad