Pl.cell.aph. 2. THALASSIOPHYT. 62. Gigart. 373 
8. filicinus. Thallus very slender; lobes horizontal, di- 
lated, very blunt. 
; Fucus filicinus, Huds. FU. dngl, 586. 
Fucus nereideus, Lightf. 956. 
y. pinnatus. Thallus narrow, tri-pinnate; doles nearly 
linear, rather blunt. 
Fucus pinnatus, Huds. Fi. Angl. 586. 
Fucus sericeus, Gmel. 149, 
8. reniformis. Branches and {wigs spreading, scattered, 
narrow at bottom, tip blunt. 
-s, capillaceus. Thallus siender; upper lobes crowded, 
bristlelike, nearly upright. 
Fucus capillaceus, Gmel. 146, 
¢. deformis. Thadllus twisted, irregularly pinnated ; lobes 
divaricated, oblong, very short, not divided. 
y. pulchellus. Thallus hairlike, compressed, tripinnate ; 
lobes linear, clublike, blunt. 
9. claviferus. Thallus cylindrical, hairlike, irregularly 
divided; twigs reverse ovate; edge with minute scattered 
teeth. ; 
s. coronatus. Thallus compressed, irregularly branched, 
naked. below; having in the middle a few, simple, scattered. 
lobes, and at top clusters of short twigs bent back. 
5. Gigartina Wigghit. Wiggh’s plum-weed. 
Thallus slightiy gelatinous, cylindrical, threadlike, much 
and irregularly branched; ‘wigs very numerous, on all 
parts, bristlelike, mostly simple, scattered; fruitbearing 
twigs lanceolate, compressed. 
Fucus Wigghii, Turn. in Lin. Tr. 6,113; Turn, Hist. 102; Engl. Bot. 
1165. 
Sphzrococcus Wigghii, 4gardh Disp. 17. 
Hypnea Wigghii, Lamour. Thal. 
Sea-shore; annual; Midsummer. 
c. Thallus roundish, branched ; twigs threadlike; thece 
globular, on the end of the twigs. 
6. Gigartina asparagoides. Asparagus plum-weed. 
Thallus slightly gelatinous, cylindrical, threadlike, much 
and irregularly branched; éwigs simple, spreading hori- 
zontally, bristlelike, 2-roved, opposite, ending alternately 
in a spherical theca. 
