372 62. Gigart. 2. THALASSIOPHYT. Pl. cell. aph. 
Fucus gigartinus, Lin. Syst. Veg. 816; Turn. Hist. 28:3 Engl. Bot. 908, 
not of Fl, Dan. ~ ; 
Fucus pistillatus, Gmel. 156, 
Fucus Oederi, Esper, 135. 
‘Ceramium gigartinum, Roth Cat. 3, 109. 
Gigartiva pistillata, Lamour. Thal, 46. 
Gelidium gigariinus, Lyngbye Hydr. Dan. Al. 
Sphzrococcus gigartinus, 4gardh Disp. 16, 
Sea-shore; perennial. 
Thallus ageregate; forks spreading. 
2. Gigartinus coronopifolia. Swines-cress-leaf plum-weed.. 
Thallus cartilaginous, flattish, compressed, much and 
irregularly branched; ‘wigs two-forked, spreading, alter- 
nate, cylindrical; tubercles spherical, on the short hori- 
zontal two-rowed cilize. 
Fucus corouopi facie, Dillen in Rati Syn. 45, 23. 
Fucus coronopifelius, Lin. Tr. 3, 185: Turn. Hist, 1223 Engi. Bot. 
44758. 
Fucus cartilagineus, Huds. Fl. Angl. 586. 
Spharococeus coronopifolius, dgardh Syn. 30, not the synonyms, 
Sea-shores; perennial; October. 
Thallus deep transparent red, flexuous; lobes slightly 
veined and dilated, when barren palmate. 
b. Hypnea. Thallus compressed, branched; tubercles 
ammersed in the lanceolate compressed twigs. 
3. Gigarlina cartilaginea. Gristlelike plum-weed. 
Thallus cartilaginous, flat or compressed, naked below, 
repeatedly pinnate above; segments horizontal, mostly al- 
ternate, linear; ultimate segments very short, blunt; frait- 
bearing segments ovate, lanceolate, sharp-pointed. 
Fucus cartilagineus, Lin. Syst. Veg. $16; Turn. Hist. 124; Engl. Bot. 
VATT. : 
Fucus Capensis, Gmel. 157. 
Fucus versicelor, Gmel. 158. 
Sea-coast; perennial. 
Thallus red, purple, greenish, brownish or tawny. 
4. Gigarlina cornea. Hornlike plum-weed. 
Thallus cartilaginous, horny, compressed, irregularly 
branched; Jranches linear, narrowed at each end; pinnate 
or bipinnate; segments opposite, spreading, rather blunt. 
Fucus flavicans teretifolius ramulis pennatim enascentibus, Dillen in 
Raii Syn. 50, A9. 
Fucus corneus, Huds. Fl. Angl. 585; Turn, Hist. 251; Engl. Bot, 1970. 
Fucus sericeus, Gmel. 149. 
Fucus spinosus, Gmel. 161. 
Fucus pumilus, Stackh. Ner. Brit. 16,16? 
Sea-coasts; perennial; May to October. 
