412 992. Isidium. 4. CHNOTHALAME/. Pl. cell. aph. 
1. Isidium corallinum. Coral isis-lichen. 
Crust tartarlike, afterwards cracked rather chequerlike, 
white, rather greyish; podetia become longish, cylindrical, 
simple or branched ; ; flake of the apothecia | ‘brownish grey. 
Lichen corallinus, Lin. Mant. 131; Engl. Bot. 1541. 
Stereocaulon madreporiforme, Hoffm. Germ. 129. 
Stereocaulon corallinum, Schrad. Germ. 
Isidium corallinum, Achar. Meth. 1533 Lichen, 575. 
On rocks and stones. 
2. Isidium Westringii. Westring’s isis-lichen. 
Crust tartarlike, chequer ed, cracked, unequal, greyish ; 
podetia nearly globular, afterwards long, cylindrical, simple 
or branched; flake of the apothecia brown. 
Lichen punctatus, Dickson Crypt. Brit. 3,15, 
Lichen Westringii, Achar. Prodr. 88. 
Isidium Westringii, char, Meth. 1388; Lich. 517, 
On rocks and stones. 
3. Isidium coccodes. Lady-bird isis-lichen. 
Crust cracked, rather powdery, hoary; podetia nearly 
globular, nippleshape, very crowded; flake of the apothecia 
brown, greyish hoary. 
Lichen coccodes, Achar. Prod. 10. 
Lepra obscura, Ehrh. Crypt. 
Asidium coccodes, Achar, Meth. 139; Lich. 578. 
On the old bark of trees. 
Ill. 938. BHOMYCES. Ehrhart. Mushroom-lichen. 
Thallus crustlike, flat, expanded, adnate; podelia soft, 
solid, fertile; apothecia headed, not bordered, solid, sessile 
on the top of the podetia ; proligerous flake covering the 
entire apothecium, adnate to it, convex, turned back, rather 
thick, coloured; inside similar. 
1. Beomyces roseus. Rose mushroom-lichen. 
Crust uniform, warty, hoary; podetia very short; apothecia 
nearly globular, ‘pale flesh-colour. 
Lichenoides fungiforme, crusta leprosa candida CoBitus | et pediculis 
incarnatis, Dillen in Raii Syn. 10, 40. 
Lichen ericetorum, Lin. 8S. P. 1608; Engl. Bot. 572. 
Bzomyces roseus, "Achar. Lich. Univ, 572. 
On dry clays. b 
