W. H. PEARSON : HEPATICA. 41 
Leptocolea cordijlora St., also from New Caledonia, has denticulate leaves. 
Leptocolea limbata St., from the Philippine Is., is a much larger plant, 
fuscous brown, leaves ovate-elliptic, with large trigones, lobule apiculate, 
perianth obconical. 
Hab. Ermitage Stream. Epiphyllous on Fern, Freyeinetia, ete. 145. 
LEPTOCOLEA CRENULATA Pearson, sp. nov. 
Dioica (?), minuta hyalina foliicola. Caulis cellulas 2-3 angustas latus 
parce ramosus radiculosus, rhizoideorum fasciculo ad lobuli cujusque basin 
orto. Folia patula horizontalia (90°) vel patenti-divergentia (70°) approxi- 
mata ovalia semi-ovalia subfaleata, ad basin anguste inserta, apice rotundato 
obtuso (folia ramea aeuta), margine antico (superiore) areuato, ad caulis 
medium attingente, minute denticulato, postico (inferiore) recto vel paulum 
curvato minute erenulato; lobulus quam lobus fere 4-plo minor, ovalis 
ineurvatus tumidus, angulo libero acuto, carina arcuata levi; cellule parvulee 
quadrate, basales majores elongate leptodermes, trigonis nullis; foliorum 
quorumdam eutieula minute papillosa, 
Inflorescentia feminea in ramo brevi sita, innovatione singula suffulta ; 
bracteæ quam folia minores lanceolate acutee minute denticulate ; lobulus 
quam lobus 4 minor linearis acutus. Perianthium obconieum compressum, 
antice planum vel superne obseure earinulatum, postice obtuse carinatum, 
raro ad apicem versum acutulum; carinæ superne paulo alate ; margo 
minute denticulatus. | 
Andrcecia haud visa. 
Dimensions. Stem + inch long, diam. ‘05 mm, : with leaves 1 mm. wide; 
leaves, lobe *6 mm. X *4 mm., *6 mm, x "325 mm., lobule:25 mm. x ‘175 mm.; 
branch-leaves, lobe *45 mm.x 25 mm., lobule :2 mm.x:1 mm.; cells 
025 mm.; bracts, lobe 4 mm. x :2 mm., lobule *3 mm. x ‘075 mm.; perianth 
‘6 mm.x ‘4 mm. | 
Obs. There are no species of Leptocolea recorded from Asia-Oceania- 
tropica with which this agrees. L. cordiflora St., also from New Caledonia, 
is the nearest, but differs in several characters. 
Hab. Mont Arago. On old fronds of a filmy fern. Moist forest, 1000 ft. 
1447, 
o 
D 
COLURA SUPERBA (Mont.), St., Sp. Hep. v. (1916) 941. 
Lejeunea superba Mont. in Ann, Se. Nat. 3me Kér. x. (1848) 115, 
Leaves remotely dentate, papillose ; few stems only met with, without 
trace of inflorescence ; these agree exactly with those in the Manchester 
Museum from New Caledonia under this name, determined by Dr. Spruce. 
Hab. Ermitage Stream. Epiphyllous on Fern and Freycinetia, ete. 145 ? 
1492. : 
Tahiti. 
