452 REV, W. A, LEIGHTON ON AMAZONIAN AND ANDINE LICHENS. 
178. GR. ANGUILLIFORMIS, Tayl. forma denudata; sporæ 2-4-8, cylindrico-fusiformes 
incolores, 18-cellulosæ, iodo czerulescentes; paraphyses distinctæ. (No. 316.) 
Säo Gabriel. 
179. GR. SAUROIDEA, Leight.; thallus albido-glaucescens, tenuis, effusus ; lirellæ medi- 
ocres, emergentes, prominentes, simplices aut ramosæ, valde flexuosæ, utrâque 
extremitate curvatæ, atque ibidem sæpe breviter curvato-ramosæ ; epithecio rimi. 
formi, paulum hiascente, depresso, subpallide suffuso; margine, proprio crasso, 
tumido, sæpe longitudinaliter obsolete striato; hypothecio carbonaceo, crasso, in- 
tegro; margine thallino tenui, distincto; sporæ 6 aut 8, incolores, cylindricæ, 
9-12-cellulosæ, maximæ, iodo cærulescentes. (No. 331.) 
Obidos. ; 
Lirellæ assimilantes formas minutarum lacertarum. Paraphyses graciles distinctæ.- : 
Tas. LVI. fig. 7, spora aucta 1200. 
180. GR. SUBVIRGINEA, Nyl. MS.; thallus pallidus, tenuis, subcrustaceus, opacus, levi- 
gatus, lineà angustá aträ limitatus ; lirellze mediocres, emergentes, plus minusve 
thallo obtectæ, simplices, valde undulato-flexuosæ, confertæ, sepe fractee; proprio 
margine tenui, subincurvato ; epithecio rimiformi, clauso, deinde hiascente atque 
albo suffuso; hypothecio carbonaceo, integro ; sporze 8, incolores, mediocres, cylin- 
dricæ, cirea 10-cellulosæ, iodo fuscescentes. (No. 941.) 
Marabitanas. 
Paraphyses graciles, distincte. 
181. Gn. SUBVIRGINEA, Nyl. MS., forma denudata, Leight.; lirelle magis denudatæ 
quam in typo, valde confertæ atque confluentiä radiato-ramosæ ; sporæ similes typo. 
(No. 328 bis.) 
` San Carlos. 
Tas. LVI. fig. 8, spora aucta 1200. 
182. GR. DENDROIDEA, Leight.; thallus albo-glaucescens, membranaceus, tenuis, lævi- 
gatus, linea brunneá limitatus; lirellæ emergentes, prominentes, vix thallo late- 
raliter basi tectæ, dendroideo-ramosæ, apicibus attenuatis; proprio margine sub- 
crasso, obsoletè substriatulo; epithecio rimiformi ; hypothecio carbonaceo, integro; 
sporæ 2, incolores, maximæ, cylindricæ, 13-cellulosæ, iodo cærulescentes. (No. 285. 
On bark of Bread-fruit trees, San Carlos. | 
Tas. LVI. fig. 9, spora aucta 1200. 
188. GR. CYMBEGRAPHA, Leight.; thallus fusco-olivaceus, suberustaceus, levigatus, dif 
fusus, lineâ angustä undulata brunneá limitatus ; lirellæ fuscæ, nudæ, planæ aut cor 
caviuscule, erumpentes, apicibus obtusis, margine thallode tumescente cinctæ, mag" 
nitudine et formä valde variabiles, oblonge, rotundo-oblongæ, et lanceolato-linea?e» 
