Pl, cell. aph. 2. THALASSIOPHYT. 63. Gastrid. $83 
Fucoides purpureum eleganter plumosum, Dillen in Raii Syn. 38, 2. 
Fucus plumosus, Lin. Sp. Pl. Turn. Hist, 60; Engl. Bot. 1308. 
Fucus pectinatus, Il. Norv. 2,132. 
Fucus ptilotus, Fl. Norv. 2, 135. 
Ceramium plumosum, Roth Cat. 3,135, 
Plocamium plumosum, Lamour. Thal. 50. 
Ptilota plumosa, Agardh Syn, 39. 
Sea-shores; perennial; June, October. 
Thallus 9 to 12 inches Jong; branches 2-rowed; lobes 
close together, plumose, reddish growing purplish. 
B. capillare. Thallus very narrow, nearly cylindrical, 
jointed. 
Fucus plumosus, Stackh. Ner. Brit. 105. 
K. Fucorwex. Thallus continuous, leatherlike, carti- 
laginous, formed of longitudinally entangled fibres; colour 
olivaceous, growing black, flat or threadlike; often inflated 
into vesicles; holdfaséts fibrous or shieldlike: sporidia scat- 
tered, in the substance of the thallus, or among conferva- 
like threads either on the surface or in thecze immersed in 
the thallus. 
XXXIX. 64. FASCIATA. - Ribband-weed. 
Thallus flat, membranaceous, ribless; stirps 0; hold fasts 
peltate; sporzdia immersed in superficial mucilaginous 
warts, formed of jointed fibres. 
1. Fasciata plantaginea. Plantain ribband-weed. 
Thallus membranaceous, aggregate, narrow at bottom, 
lanceolate, blunt; edge flat. 
Tremella marina calendule folio, Dillen Musc. 46, 
Ulva plantaginifolia, Wulf. Aquat. 23. 
Ulva plantaginea, Roth Cat. 5,326; Engl. Bot. 2136, 
Laminaria plantaginea, Agardh Syn. 20. 
Sea-shores, parasitic on zostera marina; annual; spring 
Thallus 3 to 6 inches high; edge mostly uncut, seldom 
toothed. : 
x 
2. Fasciata attenuata. Narrowed ribband-weed. 
Thallus membranaceous, linear, narrower at both ends, 
waved, not cut. 
Fucus Fascia, Fl. Dan. 768; Turn, Syn. 187. 
Laminaria Fascia, dgardh Syn. 19. 
Sea-shores; annual; spring. 
oie aggregated, 6 to 9 inches high, waved or spirally 
twisted. 
