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of “ English Botany,” which is considered as a dubious Spha-
cellaria by A g a r d h . It is in reality a very different plant,
and a true Conferva, which, from its peculiar appearance, may
bear the name of C. nodifarmk, and will be distinguished by
the following character :
Conferva nodiformis (mihi), filis simplicibus, brevibus, erectis, m massa
compacta scutiforme olivácea densissime aggregatis, articulis basi
pellucidis, diametro triplo vel quadruplo longioribus.
Fig. 1. S. velutina on a portion o f the frond o f Fucus loreus; natural size.
Fig. 2. A group o f filaments removed. Fig. 3. Ditto. Fig. 4. Capsules.
Fig. 5. Summit o f the filaments ; magnified.
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