Orb. VII. Tribe V. 
ALGiE FLORIDE^. 
943 
15279 Frond flat obsoletely ribb. alternately bipinnatifid, Pinnje linear cuneate, Pinnules cut, Thecas urceolate 
15280 Stem filiform covered with setaceous densely imbricated ramenta 
15281 Frond filiform much branched, Branchtets setaceous subulate pinnate fascicled 
15282 Frond filiform attennuate flexuose branched. Branches bipinnate : upper involute 
15283 Frond filiform equal, Ramenta simple about one-sided clustered involute 
15284 Frond compres. filif somew. contract, here and there, Fructif. either min. tuberc. or scatter, spor. in ramuU 
15285 Frond compressed 2-3-pinnate, Pinnse alternate. Pinnules obtuse callous 
15286 Frond round filiform many-times pinnated. Pinna op[)osite cylindrical clavate short horizontal 
15287 Stem roundish filiform dichotomcus, Ramenta elliptical scattered much attenuated at base 
15288 Stem round filiform much branched, Ramenta clavate much attenuated at base 
152b9 Stem round filiform irregularly branched, Ramenta setaceous much tapered at base 
15290 Stem filiform much pinnated, Ramenta linear-lanceolate distichous tapering at base 
15291 Frond filiform contracted in joints tubular. Branches whorled 
15292 Frond filiform chain-like in joints tubular. Branches fastigiate dichotomous and whorled 
15293 Stem scarcely any. Lamina? chained obsoletely ribbed cuneate 2.forked or lanceolate, Thecaj rugose ses- 
sile in the disk of the frond 
15294 Stem filiform somewhat dichotomous, Branches terminating in oblong 2-forked somewhat proliferous 
laminje, TheciE spherical subulate terminal 
15295 Stem filiform dichotom. Branches expanded in cuneiform multifid laminje, Theca; stalked ovate cauline 
15296 Stem filif. nearly simple expanded into a cuneif palm, lamina; : segm. ligulate, Thecal liemisph. sess. in disk 
15297 Frond flat dichotomous, Segments linear-cuneiform, Thecse hemispherical sess. on the disk of the frond 
15298 Frond somew. channel, dichotom. Segm. lin. cuneif. Thecas spheric, scatter, on short stalks on disk of frond 
15299 Frond membran. leathery flat somew. lane, somew. branched ciliat. Cilia? subulate bearing thecse at end 
15300 Frond cartilagin. compressed lin. somew. dichotom. Segm. ciliated, Ciliae bear, theca? either at sides or ends 
15301 Frond cartilagin. corneous distich, branched, Segm. compressed flat linear bipinn. Pinnce opp. spread, obt. 
15302 Frond cartilagin. filif. compress, decomp. pinnated, Pinnae horizontal altern. Pinnules bearing thecse at end 
15303 Frond cartilaginous much branched dicliotomous pinnated. Segments tapered at base : lower compresed 
2-edged ; the last furcate acute 
15304 Frond cartilaginous membranaceous dichotomous or palmate. Segments obtuse somewhat proliferous, 
Theca immersed in minute unequal processes 
15305 Frond membranous dichotomous, Theca spherical marginal sessile 
15306 Frond membranous dichotomous, Segm. linear : upper palmate crested entire, Theca margin, immersed 
15307 Frond cartilagin. round filif Branch, long simp, surround, by little branch. Theca hemispher. sess. scatter. 
15308 Frond filif. corneous rigid equal with entang. branches. Branches horizontal 1-sided cluster, forked at end 
15309 Fronds filif. much branch. Branchl. setaceous tapered at each end setae. Theca speric. attach, tobranchl. 
15310 Stem filiform dilated into a cartilaginous reniform or orbicular entire frond 
15311 Frond fleshy flat simple cuneiform tapered at base into the footstalk rounded at end 
15312 Frond coriaceous flat palmate entire. Segments cuneate oblong nearly simple 
15313 Frond membranous tubular flat dichotomous. Axillae rounded. Segments linear narrow by degrees 
sending out from the margin many simple ramenta 
15314 Frond gelatinous coriaceous dichotomous. Segments filiform : end membranous dilated elliptical lanceol. 
15315 Frond filiform with contracted articulations 
15316 Frond subgelatinous filiform. Branches remote long, Sporules naked in the substance of the branches 
15317 Frond filiform compressed much branched, Branchlets setaceous distichous simple pectinate on each side 
and Miscellaneous Particulars. 
2315. Halymenia. From kx?, the sea, and vimv, a membrane. Marine plants with flat or tubular mem- 
branous fronds. H. edulis is the true Dulse, and H. palmata the common Dulse, both of which are eaten in 
Scotland. 
2316. Bonnemaisonia. So called in honor of M. Bonnemaison, a French cryptogamic botanist, who particu- 
larly attended to Confervse. 
