Identifier: phycologiaaustra02harv (find matches)
Title: Phycologia australica; or, A history of Australian sea weeds ... and a synopsis of all known Australian Algae ..
Year: 1859 (1850s)
Authors: Harvey, William H. (William Henry), 1811-1866
Subjects: Algae
Publisher: London, L. Reeve
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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saof Europe. The internal cellular structure is however some-what different, the cortical layer in the present species beingmuch thinner and generally composed of but one or at mosttwo rows of cellules. The ramification is a good deal varied.The tendency to ^^o^vs^id finger-like (or rather palmatifid) branchesis sometimes greater than on the specimens here drawn; andspecimens producing conceptacles are often strikingly zigzag,the branch suddenly bending where the conceptacle is seated. It is not uncommon at Fremantle and Rottnest. The speci-mens from King Georges Sound, above alluded to, are some-what different, and may possibly belong to a distinct species.At present I retain them, undescribed, for further evidence. Fig. 1. Gracilaria dactyloides,—tJie natural size. 2. Portion of a fertilefrond, with conceptacles. 3. Section through branch and conceptacle. 4.Spores. 5. Section through branch with fe^ras/iores. 6. A tetraspore:—the latter figures variously magnified. PlcutL. LZIU.
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