430 ALG OF TASMANIA. 
No. 1.—Description of Aucam gathered at George Town, 
Van Diemen’s Land, and communicated to Sin W. J. 
- Hooker, by RoxAL D Gunn, Esa. 
SERIES I—RHODOSPERME, or FLORIDEJE. 
TRIBE 1. RHoDpOoMELEsx, J. 4g. 
1. Claudea elegans, Lam.—George Town, R. Gunn, Esq. 
n. 1261.—The three specimens of this plant, which the 
parcel contains, have already been noticed in this Journal, 
p. 408, Tab. xx. 
2. Dictyomenia £ridens, Grev. ; fronde lineari, membranacea, 
reticulata, bi-tripinnata, costata, costa ante apicem evanes- 
cente, pinnis pinnulisque crebris, apicem versus sensim 
minoribus, erecto-patentibus, margine dentibus tri-multi- 
fidis ornatis ; axillis dentorum rotundatis ; keramidis 
globosis, sessilibus; stichidiis . . . .?— Fucus tridens, 
Turn. t. 955. 
George Town, V. D. L., R. Gunn Esq., n. 1280.—Fronds 
6-8 inches long or more, from a line to nearly a quarter of an 
inch in breadth, flat and membranaceous, linear, tapering to 
the base and apex, furnished in the lower part with a strong 
midrib, which gradually becomes thinner and fainter as 1t 
approaches the upper part, and nearly or quite disappears 
below the apex, simple or divided into 3-4 principal stems; 
stems or main branches bi-tripinnate, with an ovate circum- 
scription ; pinne closely set, erecto-patent, with rounded 
axils ; pinnules similar; and the margin in every part of the 
frond save the denuded bases of old stems, furnished with 
minute, tooth-like, forked, trifid, or 4-6-fid ramuli, about à 
line in length, occasionally elongating into pinnules. Colour 
dark reddish brown or chesnut. Capsules or Keramidia 
nearly globose, wide-mouthed, sessile on the tooth-like, mar- 
ginal processes. 
3. Pollexfenia pedicellata, Harv. 
