— 123 — 
cava, oblonga, obtusiuscule acuta, marginibus erectis, ubique minute 
serrulatis, enervia, cellulis elongatis, angustis, unipapillosis, basilari- 
bus infimis brevioribus, laevibus, alaribus ternis, majusculis, vesicu- 
losis hyalinis. Caetera ignota. 
Species J. prostrato (Doz. et Molk.) affinis, sed statura robustiore, 
ramificatione nec non foliis acutiusculis, cellulis alaribus multo majoribus 
prima fronte dignoscenda. : 
Klong Munsé, on wet rocks in the jungle near a waterfall. 
33. T. instratum (Brid.). — Trichosteleum Jaeg. Adumbr. Il, p. 478. 
Jungle near Lem Dan, on rocks; Koh Kahdat, on trees. 
Area: From Java to New Guinea. 
34. T. papillatum (Harv.). — Trichostelewm Par. Ind. p. 1313. 
Klong Munsé, on trees in the jungle. 
Area: From Sumatra to New Guinea. Malacca. 
35. 1. distichophyllum (Hamp.). — Trichostelewm Jaeg. Adumbr. II, 
p. 482. 
Klong Munsé, on trees in the jungle. 
Area: Java, Celebes and Luzon. 
36. T. isocladum (Bryol. jav ). — Trichostelewm Jaeg. Adumbr. Il, p. 478. 
Jungle near Klong Munsé, creeping on thin branches. 
Area: Banca. 
Isopterygium Mitt. 
37. I. albescens (Schwaegr.) Jaeg. Adumbr. Il, p. 499. 
Jungle near Lem Dan and Klong Son, on riverbanks. 
Area: British India and Sunda Islands. 
Sematophyllaceae. 
Sematophyllum Mitt. 
38. S. subrevolutum Broth. n.sp. 
Gracile, caespitosum, caespitibus laxiusculis, depressis, ]utescenti- 
viridibus, nitidis; caulis elongatus, repens, per totam longitudinem 
fusco-radiculosus, pinnatim ramosus, ramis suberectis, vix ultra 5 mm. 
longis, dense foliosis, simplicibus; folia erecto-patentia, concava, 
lanceolata, anguste cuspidata, marginibus fera ad apicem folti late 
revolutis, summo apice erectis, integerrimis, enervia, cellulis elongatis 
angustissimis, basilaribus infimis laxis, aureis, alaribus magnis, ob- 
longis, vesiculiformibus, supra alaribus paucis, minutis, omnibus 
laevissimis. Caetera ignota. . 
. 
