Lamb I.M.
(1968):
The species of Stereocaulon with protosacculate cephalodia -
The Journal of Japanese Botany,
43(10, 11): 291–301
The writer (Lamb, 1951) drew attention to the fact that sacculate cepha- lodia in Stereocaulon may be of two distinct types, either solid or loosely hyphose internally. Cephalodia of the former solid-cored type were later designated as protosacculate (Lamb, 1961). Sacculate cephalodia, generally, are distinguished by their smoothly corticate, even to foveolate or scrobiculate- corrugated surface and especially by the structure of their cortex, which is well developed, usually clear and hyaline in …
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