XII, ©, 2 Brotherus: The Mosses of Amboina 719 
AMBOINA, Halong, Rel. Robins. 2801, on rocks in swift water, mostly 
submerged, altitude 40 meters. 
Species V. scaturiginum (Brid.) Broth. valde affinis. 
TAXITHELIUM Spruce 
TAXITHELIUM NEPALENSE (Schwaegr.) Broth. 
AMBOINA, Zippel; town of Amboina, Rel. Robins, 2272, 2811, on bases of 
tree trunks at low altitudes. 
TAXITHELIUM TURGIDELLUM (C. Miill.) Par. 
AMBOINA, Naumann. 
ECTROPOTHECIELLA Fleischer 
ECTROPOTHECIELLA DISTICHOPHYLLA (Hamp.) Fleisch. 
AMBOINA, Hitoe lama, Rel. Robins. 2274, on limestone, altitude 75 meters, 
LEUCOMIACEAE 
LEUCOMIUM Mitten 
LEUCOMIUM ANEURODICTYON (C. Miill.) Jaeg. 
AMBOINA, Salahoetoe, Rel. Robins. 2334, altitude 250 meters. 
SEMATOPHYLLACEAE 
TRICHOSTELEUM (Mitt.) Jaeger 
TRICHOSTELEUM HAMATUM (Doz. & Molk.) Jaeg. 
AMBOINA, Roemah tiga and Hitoe messen, Rel. Robins. 2288, 2314, 2319, 
on trees, sea level to 350 meters altitude. 
SEMATOPHYLLUM (Mitt.) Jaeger 
SEMATOPHYLLUM HYALINUM (Reinw.) Jaeg. 
AMBOINA, Salahoetoe, Rel. Robins. 2269, 2279, on trees, altitude 700 to 
800 meters. 
SEMATOPHYLLUM WARBURGII! Broth. 
AMBOINA, Salahoetoe, Rel. Robins. 2310, on trees, altitude 850 meters. 
RHACOPILACEAE 
RHACOPILUM Palisot de Beauvois 
RHACOPILUM AMBOINENSE Broth. sp. nov. 
Dioicum; robustiusculum, caespitosum, caespitibus densis, 
depressis, viridibus, opacis; caulis longe prostratus, fusco-tomen- 
tosus, dense foliosus, pinnatim ramosus, ramis patulis, vix ultra 
1 cm longis, cum foliis ca. 2.5 mm latis, curvatis, simplicibus, 
obtusis; folia sicca sursum curvata, humida planissima, brev- 
iter oblonga, obtusa, aristata, marginibus erectis, superne 
inaequaliter serrulatis, nervo tenui, in aristam brevem excedente, 
cellulis subrotundato-hexagonis, pellucidis, ca. 0.02 mm, mar- 
