vui. c, 2 Wainio: Lichenes Insularum Philippinarum 113 
rentes, increbre septatae, apicem versus clavatae. Asci cylin- 
drico-ventncosi. Sporae 8-nae, polystichae, fusiformes, apicibus 
sat acutis aut obtusis, fuscescentes aut rufescenti-pallidae 
3-septatae, long. 0.05-0.06, crass. 0.005-0.006 mm. Stratum' 
corticale pseudoparenchymaticum, circ. 0.04-0.03 mm crassum 
e senebus circ. 3-4 cellularum formatum, membranis sat 
tenuibus, lumine cellularum 0.012-0.007 mm lato, anguloso- 
subgloboso, superne hyphis in filamenta ramosa continuatis. 
Stratum medullare hyphis 0.008-0.006 mm crassis sat leptoderma- 
ticis. Gonidia nostocacea, polycoccoidea. Habitu quasi magnum 
Erioderma. 
Luzon Subprov. Benguet, mons Pulog, For. Bur. 16362 Curran, MerHtt, 
& Zschokke, Bur. Sci. 8936 McGregor. Ad truncos putridos arborum et 
ad terram muscosam. 
2. P. CRENULATA Wain, sp, nov. 
Thallus foliaceus, long. circ. 30-20 mm, adscendens, laevigatas, 
glaber, sorediis, isidiis et cephalodiis destitutus, livido-cinereo- 
pallido-cinereo- et olivaceo-fuscescenti-variegatus, sat nitidus, 
irregulariter lobatus, lobis circ. 4-20 mm latis, margine crenu- 
latis, subtus crebre subreticulato-nervosus, nervis leviter elevatis, 
angustis aut partim late confluentibus, ambitum versus pallidis 
et medium versus fusco-nigricantibus, interstitiis angustis 
albidis, medium versus obscuratis, rhizinas sparsas et medium 
versus creberrimas, cinereo-fuscescentes aut nigricantes, breves, 
circ. 0.5-1.5 mm longas, penicillatas et tomentosas efferentibus. 
Sterilis. Thallus superne et subtus sicut in P. horizontali (L.) 
DC, quae autem margine thalli baud crenulato ab hac specie 
differt. 
Luzon, Subprov. Benguet, mons Pulog, Merrill 642^. Ad plantes de- 
structas et terram humosam. 
3. P. POLYDACTYLON (Neck.) Hoffm. f. MELANOCOMA (Mont. & v. d. 
Bosch) Wain. :fitud. Lich. Bres. 1 : 180. 
Luzon, Subprov. Benguet, For. Bur. 980 Barnes, Bur. Sci. 28^7 Meams; 
frequenter in summo monte Pulog, 2,900 m alt, For. Bur. 16435, 16356 
Curran, Merritt, & Zschokke, Bur. Sci. 89^7 McGregor, Merrill 6451; 
Pauai, alt. circ. 2,100 m. Bur. Sci. 8530, 8531 McGregor; mons Tonglon, 
2,000 m alt, Merrill 7940, 7979; Baguio, 1,500 m alt, Merrill 4882: 
Subprov. Lepanto, For. Bur. 16020, 1602S Bacani; mons Data, 2,250 m 
alt, Merrill 4925: Prov. Zambales, For. Bur. 8184, 8199 Curran & Merritt; 
mons Pinatubo, Bur. Sci Foxworthy. Mindoro, mons Halcon, Merrill 
6187. Mindanao, Dist Zamboanga, circ. 1,000 m alt, Merrill 8348, Cope- 
land "E". Supra muscos ad terram et in rupibus et ad truncos putridos. 
U607« i 
