-vui, c, 2 Wainio: Lichenes Insularum Philippinarum IQl 
infra hypothecio sita pallescente. In stirpem L. fiavovirentis 
Fee pertinet, L. hypocroceae Wain., Lich. Bres. Exs, no. 873, 
habitu subsimilis, at reactionibus et colore hypothecii ab ea 
differens. 
Luzon, Subprov. Benguet, Pauai, alt. circ. 2,100 m, Merrill 6650, Bur. 
Set. 8582, 8615 McGregor. Ad corticem arborum frondosarum. 
5. L. MERRILLII Wain. sp. nov. 
Thallus crustaceus, uniformis, crassitudine mediocris aut sat 
tenuis, continuus, verruculoso-inaequalis, verruculis subtilissimis, 
parum elevatis, dispersis aut crebrls, substramineo-glaucescens, 
KHO flavescens, CaCl^O^ non reagens, isidiis et sorediis desti- 
tutus, medulla alba, hypothallo nigricante partim limitatus. 
Apothecia adpressa, mediocria, circ. 0.8-1.5 mm lata, crebra, 
disco piano, pallido, nudo, opaco aut sat opaco, neque KHO nee 
CaCl^O^ reagente, margine sat tenui, discum baud aut leviter su- 
perante, subintegro, thallo concolore, in sectione terete. Hypo- 
thecium albidum. Hymenium 0.050-0.075 mm crassum, jodo 
persistenter caerulescens. Epithecium pallidum, granulosum. 
Paraphyses arete cohaerentes, tubulis tenuissimis. Sporae 8- 
nae, distichae, decolores, oblongae aut rarius ellipsoideae, apici- 
bus obtusis aut rarius rotundatis, simplices, long. 0.011-0.015, 
crass. 0.005-0.007 mm. Excipulum intus albidum, crystallos 
magnos continens, Speciei praecedenti afiinis. 
GuiMARAS, Merrill 6720. Ad corticem Cocoes in littore crescentes. 
6. L. ISIDIOTYLA Wain. sp. nov. 
Thallus crustaceus, uniformis, crassitudine mediocris aut sat 
tenuis, continuus, sat laevigatus aut partim leviter verruculoso- 
inaequalis, albidus, neque KHO nee CaCl^O^ reagens, isidiosus, 
isidiis circ. 0.5 mm longis aut brevioribus, circ. 0.1 mm crassis, 
cylindricis, simplicibus aut leviter ramosis, sorediis destitutus, 
medulla alba, jodo non reagente, hypothallo indistincto. Apothe- 
cia adpressa, mediocria, circ. 1 mm lata (tantum juvenilia visa), 
disco concavo aut planiusculo, livido-fuscescente aut livido-palles- 
cente, tenuiter pruinoso, opaco, margine crassiusculo aut sat 
tenui, prominente, et discum superante, leviter crenulato aut sub- 
integro, thallo concolore, interdum demum parce isidioso, in sec- 
tione terete. Hypothecium partim albidum, partim fulvescens, 
KHO non reagens. Hymenium jodo persistenter caerulescens. 
Epithecium decoloratum, KHO non reagens. Paraphyses arete 
cohaerentes, tubulis tenuissimis. Asci clavati. Sporae baud 
visae. Affinis L. fiavovirenti Fee, at thallo isidioso ab ea dif- 
ferens. 
Mindanao, Dist. Davao, mons Apo, alt. 1,800 m, Copeland 1090 p. p. 
