394 78. Siliquar. 2. THALASSIOPHYT. Pl. cell. aph. 
LIII. 78. SILIQUARIA. Podweed. 
Thallus compressed, ribless, branched ; vesicles pedicelled, 
lanceolate, jointed; sporidia intermixed with jointed fibres 
in roundish thece in terminal lanceolate podshaped apo- 
thecia. 
Siliquaria angustifolia. Narrow-leaved podweed. 
Thallus branched; branches alternate, 2-rowed ; vesicles 
beaked. 
Fucus angustifolius vesiculis longis siliquarum zmulis, Raii Syn. 49,39. 
Fucus siliquosus, Lin. S. P. 1629; Engl. Bot. 474; Zurn. Hist, 159. 
Halymenia siliquosa, Lyngbye Hydr, Dan, 37. 
Sea-shore; perennial; winter. 
B. minor. Thallus not more than 6 or 9 inches long. 
Fucus siliquosus, Stackh. Ner. Brit. 
y. denudata. Thallus long, much branched; vesicles 0. 
Gk, - “758 FURCELLARIA. Lamouroux.  Fork-weed. 
Thallus threadlike, forked, level-topped; sportdza im- 
mersed in regular lines in the swollen tips of the twigs. 
Plagellaria lubricalis. Slippery fork-weed. 
Thallus threadlike, forked, angles acute, tips blunt. 
Fucus parvus segmentis praelongis teretibus acutis, Raitt Syn. 45, 24, 
Fucus lubricalis, Gmelin, 108; Engl. Bot. 824; Zurn, Hist. 6. 
Fucus fastigiatus, Stackh. Ner. Brit. 15. 
Fucus furcellatus, Huds. Fl. Angl. 589. 
Furcellaria lubricalis, Lamour. Thal. 
Sea-shore; perennial; Nov. Feb. 
6. fastigiata. Twigs compressed, transparent, ovate, 
lanceolate, short, pointed. 
Fucus sive alga exigua dichotoma, foliorum segmentis longiusculis, 
crassis et subrotundis, Radi Syn. 45, 25. 
Fucus fastigiatus, Huds, Fl. Angl. 588. 
Furcellaria fastigiata, Lamour, Thal. - 
Fam. III. 3. HOMOTHALAMEZ. Lichenes homotha- 
lami. Acharius. 
Thallus leatherlike, cartilaginous or shrubby; sporidia 
scattered, innate throughout the whole thallus, or in apo- 
thecia of the same colour and substance as the thallus with- 
out any proligerous skin or central nucleus.—Terrestrial 
or parasitic, perennial, greenish or becoming so when 
grazed, absorbing water at the surface and transmitting it 
to every part. 
