LICHENES. 
84 
Lichen leucomelas Linn. Swartz. Obs. bot. t. ii. f. 3 . 
Crescit in crepidinibus umbrosis montis Silia de Carae as , juxta EI Pexual , ait. 
993 heiv ., regione alsa. (Provincia Fenezuelce) 
2. BORRERA FURFURACEA. 
B. thallo cinereo, farinaceo; laciniis lineari-attenuatis, ramosis, subtus canaliculatis, nudis, 
rugosis, violaceo-nigricantibus ; apotheciis submarginalibus, cyathifortnibus; disco rubro; 
margine thallode tenui, subinflexo. Ach. 
Borrera furfuracea Ach. Sjnops. Licii, p. 223.— Synops. Piant, ceq. 1. p. 25 . 
Parmelia furfuracea Ach. Meth. Lich. p. 254 - 
Lobaria furfuracea IIbjfm. Flor. Germ. p. i 43 . 
Lichen furfuraceus Linn. Smith. Engl. Bot. t. 984. 
a .) Thalli marginibus nudis vel parce fibrillosis. 
fi ) Thalli marginibus valde fibrillosis. 
y ) Thallo supra insigniter furfuraceo. 
Crescit var. a in umbrosis montis Saraguru , inter Nabon et Laxa , ait. 1203 liex. 
[Regno Novo- G rana tensi ), in frigidis Toluccx et Islahuacai , ait. i 33 o hex ., et in saxis 
exustis montis ignivomi Jorullo , ait. 620 hex. (Regno Mexicano ); var. p in arboribus 
et saxis juxta Alausi Quitensium } ait. 1248 hex. ; var. y in dumetis juxta Noisaeo , ad 
ripam fluminis Juanambu , ait. io 45 hex. 
Variat diametro laciniarum. 
5 . BORRERA FLAVICANS. 
B. thallo flavescente, nudo; laciniis dichotomo-ramosis, tereti-compressis, attenuatis, 
divaricatis, complicatis; apotheciis sparsis; disco plano, rubro; margine thallode integerrimo, 
nudo. Ach. 
Borrera flavicans Ach. Synops. Lich. p. 224 -— Synops. Piant, aq. x. p. 26. 
Parmelia flavicans Ach. Meth. Lich. p. 268. 
Lichen flavicans Swartz. Flor. Ind. occ. 3 . p. 1908. Ejusd. Lich. Amenc. t. 12. f. 1. 
/3 ) Ramis tenuioribus. 
Crescit var. ct in cortice Cacti Tutice , prope Santa Fe de Bogota , ait. i 36 o hex. 
(Regno Novo- Gra.natensi ), et in scopulosis montis ignivomi Rucu- Pichincha , juxta 
Quito , ait. 2 o4o hex.; var. /3 in summo monte Stila de Carae as , ait. i 34 o hex. ( Pro¬ 
vincia Nenezuelcei) 
STICTA. Schreb. Achar. 
Receptaculum universale foliaceum, coriaceo-cartilagineum, expan¬ 
sum, lobatum, subtus liberum, villosum, cyphellis, sorediis vel ma¬ 
culis interspersis; partiale scutelliforme, subtus a thallo formatum, 
puncto centrali eidem affixum et adpressum. Lamina proligera, dis¬ 
cum efformans, colorata, plana, intus celluloso-striata, margine thallode, 
eam excedente, cincta. Ach. 
