4*32 105* Sticta. 4. CENOTHALAMlEAE, Pl.cell.aph . 
Lichenoides polyschides villosum el scabruin, peltis parvis, Dill. Muse. 
199. 
Lichen sylvaticns, Engl. Hot. 2298. 
Peltigera sylvatica, Hoffm. Germ. 109. 
Sticta sylvatica, Achcir . Meth. 231 ; Lich. 454. 
On the roots of trees in forests, or among mosses. 
XVI. 106. CETRARIA. Acharius. Cetraria. 
Thattus cartilaginous, membranaceous, ascending or ex- 
panding, lobed, cut ; on both sides naked, and smooth ; 
apothecia shieldlike, obliquely adnate to the edge of the 
thallus; lower segment free, upper sessile; proligerous flake 
forming the centre, coloured, plano-concave, inside similar 
or cellularly streaked ; thalloid border exceeding. 
1. Cetraria juniper ina. Juniper cetraria . 
Thallus pale yellow, underneath very yellow ; jags flat, 
ascending, torn crenate, crisp; apothecia elevated, centre 
bay colour; thalloid border crenulate. 
Lichen juniperinus, Lin. S. P. 1614. 
Lobaria j uni peri na, lloffm. Germ. 145. ' 
Cetraria juniperina, Achar. Meth. 298 ; Lich, 506. 
On the stems and branches of shrubs, especially of ju- 
niper. 
2. Cetraria pinastri. Pinaster cetraria. 
Thallus pale yellow, underneath very yellow ; jags de- 
pressed, round lobed, crenate : edges crisp, powdery, very 
yellow. 
Lichen pinastri, Scopoli Cam. 1387. 
Lobaria pinastri, Hoffm . Germ. 146. 
Cetraria juniperina pinastri, Achar. Meth. 298 ; Lich. 506. 
On the trunks of pines, near the ground. 
3. Cetraria scepincola. Hedge cetraria . 
Thallus chestnut-colour, underneath livid ; jags flat, 
ascending, lobed, wavev, slightly crenate; apothecia ele- 
vated, similarly coloured; thalloid border wrinkled, crenu- 
late* 
Lichen Saepincola, Ehrh. Hanov. Mag. 206. 
Lobaria saepincola, Hoffm. Germ. 1 45. 
Cetraria saepincola, Achar. Meth. 297 ; Lich. 507. 
On the stem and branches of shrubs in hedges. 
4 
