Ord. VIII. Tribe II. LICHENS CCENOTHALAMI. 
9G1 
15515 Crust cracked and areolate somewhat granular whitish, Disk of apothecia rufous becoming brown. 
Border white or yellowish becoming flexuose 
**** Disk of apothecia black, c<€sious, glaucous, or variously colored, always pruinose. 
15516 Crust greenish ash-color with roundish warts, Circumference fibrous, Apothecia mixed : disk concave 
becoming flat blackish-glaucous ; border elevated thick 
15517 Crust tartareous tessellated even greyish-white, Apothecia immersed in the crust ; the disk plane, at 
length convex subglobose glaucous and powdery ; margin entire afterwards obliterated 
15518 Crust cartilaginous membranous whitish ash-color, Apothecia clustered minute : disk flat becoming 
convex variegated with brown and black ; border entire naked persistent 
jS Crust becoming unequal somewhat granular ash-colored or blackish, Apothecia much clustered : disk 
flat brown and black ; border crenulate powdery 
15519 Crust thin leprous continuous cream-colored somewhat polished, Apothecia sessile whitish-bufF uneven 
with a thin white wavy border 
***** Disk of apothecia somewhat flesh-colored, pale, testaceous, waxen, or orange-colored. 
15520 Crust granulated or somewhat warted white, Apothecia thick crowded by pressure angular : the disk 
concave, and as v/ell as the tumid entire margin of the same color as the crust 
15521 Crust very thin membranaceous smooth glaucous white bearing awl-shaped bristles. Disk of the 
apothecia at length spreading plane pale-yellowish 
15522 Crust leprous granular powdery whitish-grey, Apothecia scattered thick powdery: disk concave pale 
flesh-colored ; border tumid entire and flexuose 
15523 Crust thin polish, hoary, Apothecia somew. inn. : disk flat fleshy-yell. ; border thin somew. inflex. crenat. 
15524 Crust tartareous with clustered granules greyish white, Apothecia scattered : disk plano-convex a little 
wrinkled flesh-color; the margin inflexed, at length waved 
/3 Crust thin glauc us white running out into papillae and spiniluferous branches Lbecoming black 
15525 Crust granul. ciner. Disk of apothecia flat convex yellowish wax-colored ; border elevated inflexed hoary 
15526 Crust leprous -tartareous granular powdery dirty-white, Apothecia scattered : disk waxen covered by the 
powdery inflexed border becoming convex and dilated 
15527 Crust granulated bright-yellow, Apothecia crowded : the disk plane of the color as the crust, at length 
convex deeper colored and powdery ; the margin elevated thin, at length waved pulverulent 
15528 Crust granular unequal dirty-yellow. Disk of apothecia fiat becoming convex somewhat orange-colored ; 
border thin crenulated becoming entire and flexuose 
15529 Crust cracked subrugose greenish-yellow, Apothecia at length subglobose deep orange shining when 
the entire margin becomes obliterated 
****** Disk of apothecia red, scarlet, or purple, and sanguine. 
15530 Crust submembranaceous smooth, at length unequal pulverul. and granular white, Apothecia crowded : 
the disk concave red ; margin tumid inflexed crenulate 
15531 Crust tartareous pulverulent whitish, Apothecia imbedded scattered subconfluent : the disk scarlet 
rather convex ; the margin sometimes obliterated 
/3 Crust tartar, granul. powd. whit. Apothecia sess. : disk flat deep sanguine; bord. elevat. thick rug. persist. 
tf Thallus adnate, radiate, stellate, and lohed in the circumference. Placodium. 
15532 Crust plaited and wrinkled white : the circumference smooth lobed. Disk of the apothecia at length 
rather convex brownish-black : the margin thin entire 
155So Crust somewhat imbricated white, Lobes somewhat concave flexuose cut-crenate. Disk of apothecia flat 
yellowish-brown : border elevated tumid 
15534 Crust subimbricated scaly somew. rugose uneven pallid-green radiated and lobed in the circumference : 
fructification extremely crowded ; the disk plane yellowish-brown or subochraceous with a border, 
at length crenate waved 
15535 Crust plaited and lobed cracked bright-yellow orange pulverulent : the circumference plicate and rayed ; 
segm. lin. convex cut, Apothecia crowd. : disk at length convex of a deeper orange ; marg. ent. waved 
15536 Crust somew. imbricated plaited and rugose tawny orange naked, Lobes lin. lane, waved convex somew. 
distant radiatmg. Disk of the apothecia concave of the same color with the crust marg. somew. inflex. ent. 
15537 Crust somew. contiguous pale yellow with a plaited lobed edge. Lobes flexuose flat, Apothecia scattered. 
Disk very red plano-convex 
15538 Crust cracked greyish plaited and rayed in the circumference lin.-laciniate, Apothecia much crowded at 
at length angular : disk plane brownish black even with the margin of the crust 
16539 Crust cracked pale reddish grey the circumference rayed and lobed having brown warts in the centre 
cracked and rayed : disk of the apothecia depressed reddish margin thick elevated entire 
15540 Crust subimbricat. rugulose whitish lobed and cren. at the circumference : fructification crowd, angular ; 
the disk plane brownish flesh-color pruinose with a raised and at length crenate flexuose border 
f tt Thallus imbricated throughout. 
15541 Crust with lobed scales of a brownish ash-color : disk of the apothecia immersed nearly plane blackish 
brown with the margin at length prominent 
15542 Crust scaly greenish. Lobes imbricated inciso-crenate waved irregular. Disk of the apothecia slightly 
swelling brownish orange margin thin entire at length obliterated 
and Miscellaneous Particulars. 
it grows more abundantly than with us ; yet, in the Highland districts, many an industrious peasant gets a 
living by scraping this Lichen witli an iron hoop, and sending it to the Glasgow market. When 1 was in the 
3 Q 
