62 ACOTYLEDONs. — LICHENS. Ceriomi/cc. 



ing), producing subfistulose, fertile and sterile pudeiia. Par- 

 iinl rccept. orbicular, immarginate, at length convex, capitu- 

 liform, inflated, or hollow beneath, the circumference fixed to 

 the ihullus or the podetia, terminal, coloured. 



■^ Tludlus foUaceous. Poclctia Jjsiiilose, dilated u})u:ards, and hcarbifi 

 Clips, or attenuated and subulate; eups closed with a membrane. 

 (Scyphophora.) 



t Apothecla brown or pale. 



1. C. alciCornU, thallns foliaceous very pale glaucous green the 

 segments sub])almated ascending obtuse and incurved, podetia 

 elongated turbinate all cup- bearing smooth the cups regular 

 crenate with the margin at length leafy and proliferous, apo- 

 tiiecia brown, jlcli. Syn. Lick. p. 250. Lichen alcicornis,. 

 Lighff. p. S72. E. B. t. 1392. 



Hab. Heaths, mountains, and rocks. 



2. C. evdiv'if'olki, thallus foliaceous large glaucous yellow green 

 white beneath the segments multifid waved crenate crisped, 

 podetia turbinate elongate mostly simple, apothecia marginal 

 reddish brown. Ack. Syn. Lick. p. 2361. Lichen endiv.^ 

 E. B. t. 2351. 



Har. Dry heathy ))laces, Dickson. 



3. C. cervicorvis, thallus foliaceous glaucous green, segments 

 erect multifid narrow repando-subdentate, podetia cylindrical 

 short glabrous dingv at length black all of them cup- bearing, 

 cups small regular dilated entire nearly plane proliferous from 

 the centre, apothecia marginal sessile brownish black. Jlch. 

 Syn. Li(h. p. 251. Lichen cervicornis, E. B. t. 2574. 



Hab. Pentland hills, near Edinb., Sir J. E. Smith. 



4. C. pyxidala, thallus foliaceous, segments crctiulated ascend- 

 ing, podetia all turl>inate elongate cup -shaped glabrous at 

 length granulated warty rough greyish green, cups regular the 

 margin at length proliferous, apothecia brown. Ach. Sy*. 

 Lich. p. 252. Lichen pyxidaiiis, Light/, p. 469. E. B. 

 t. 1393. 



Hab. Heathsj banks and rocks, and roots of old trees, abundant. 

 Employed by the poor sometimes in the cure of the hooping cough. 



5. Q.'jimhriata, thallus foliaceous the segments sjuall crenate,. 

 podetia elongate cylindrical cup-bearing sometimes subulate 

 slightly pulverulent white, cups regular their margins entire 

 and crenated at length proliferous, apothecia brown, ylch. 

 Syn. f ich.p. 254. Lichen fimbriaius, Lightf. p. 8/0. E.B.. 

 /.2438. 



ij. cormila, podetia elongate subulate simple or branched pulve- 

 rulent white sterile or with reddish apothecia. Lichen cornu- 

 (ns, Lightf. p. 875. E. B. t. 1836. 



Hab. Moors and heaths, Lightf. Near Edinb., Sir James E. Smith. 



