W. H. PEARSON: HEPATIC. 29 
alterna patenti-divergentia transverse inserta conduplicata oblongo-ovalia 
vel oblongo-quadrata, margine integro, interdum lobi margine superiore 
(postico) dentibus 1-2 magnis armato, apice 3-5-dentato, lobulo antico erecto 
quam lobo 4-plo minore oblongo-quadrato, usque ad medium et ultra 
3-6-laciniato, segmentis lanceolatis ; cellule mediocres oblongo-quadratæ 
leptodermes trigonis nullis, marginales longæ angustissimæ; cuticula levis. 
Foliola dissita cauli æquilata, usque ad medium et ultra bifida, segmentis 
divergentibus simplieibus vel furcatis lanceolatis acuminatis. 
Dimensions. Stems 1 inch long, diam. :1 mm. to ‘15 mm.; with leaves 
1:25 mm. wide: leaves, lobes 1 mm. x *5 mm., lobule *4 mm. high x ‘3 mm. 
broad; cells ‘04 mm. x ‘03 mm., ‘05 mm. x 03 mm. ; marginal cells 
075 mm. x ‘015 mm. ; underleaves ‘4 mm. x 1:5 mm. broad at base. 
Obs. This is the first species of the genus recorded from Asia-Oceania, the 
few other species being chiefly found in New Zealand and the Southern 
Hemisphere. 
Balantiopsis angustifolia St. from Chili, of which I have seen specimens, 
has narrower leaves with different cell-structure, cells only half the size. 
Balantiopsis diplophylla (Hook.) has larger antical lobules, lobes with more 
teeth, the upper (postical) margins toothed to the base, cells with large tri- 
gones, underleaves larger with laciniate segments. 
Hab. Ignambi. On gneiss rocks, in moist air, 3000 ft. 1531. 
RADULA LACERATA St., Sp. Hep. iv. (1910) 155. 
Leaves irregularly laciniate, lobule narrowly rectangular, twice as long as 
broad, trigones large. 
I have met with the male plant, which Stephani does not describe. Stems 
more delicate, leaves less lacerate, androecia on short branches, 4 to 5 peri- 
gonial bracts, smaller than the leaves, lobe acuminate, lobule almost equal in 
size, bracts swollen. 
Endemic. 
Hab. Mont Koghi. On upper surface of fallen log, forest, 3000 ft. 740. 
Rapura FARMERI Pearson, sp. nov. (Pl. 8. figs. 9-19.) 
Dioica (?), parva pallide olivacea stratificata. ^ Caulis pinnatus ramis 
brevibus patenti-divergentibus vel patentibus. Folia arcte imbricata alterna 
patenti-divergentia semi-rotundata acuta apiculatave, lobi margine inferiore 
fere recto vel parum curvato, superiore curvato ampliato, caulem transeunte 
vel obtegente ; lobulus quam lobus 3-4-plo minor subquadratus, ad caulis 
medium attingens, angulo libero obtuso, parum emarginato sinu acuto, 
superne complanatulus inferne inflatus, carina arevatà, levi; cellule par- 
vulæ vel mediocres subrotundatæ pachydermes, trigonis nullis. 
Inflorescentia feminea in caule vel in ramo terminalis innovationibus binis 
suffulta; bractearum lobus anguste ovalis integer acutus ; lobulus quam lobi 
dimidium paulo major ovalis, apice rotundato emarginato interdum bis vel 
