OF THE ABOR EXPEDITION , 1911-191?. 
73 
blackish colour of the older leaves, and the pale green of the younger 
branch leaves which are strongly enrolled and subtubular when dry, give 
the plant a distinct appearance. 
34, Slliyiicliostegiimi Schpr, 
42. Rhynchostegium lierbaceum (Mitt.) Jaeg. 
Svn. Ilypvum hcrbaceum Mitt. Muse. Ind. or. p. SI. 
On fallen tree trunks and branches, Kobo, c. fr. (n. 35989, 37070 bis, 
37099). On decayed stump, above the Egar stream, alt, 3,400 ft., c. fr. 
(n. 30 103). On rotten branch on the ground, alt. 1,000 ft., Yambung 
to Sissin, st. (n. 36018). 
Explanation of Plates. 
Plate I. — Fig. 1. Cyathophorum Burlcillii. a, stem of cf plant, nab size 
b, portion of stem, under side X 3. c , c, leaves x 4. d , d . amphigastria x 4. 
e, upper median cells x ‘250./, calyptra x S. g, lid x S. h, marginal cells 
x 200. 
Fig. 2. Sym ph yodon complanahis. a, stem nat. size. b 3 stem leaf 
X 20. c, branch haf x 20. d, upper cells x2l0, c } capsule X 10, f 3 
apex of perichmtial bract x 10. 
Fig. 3. Symphyodon S'abrUctus. a , stem leaf X 20. b, branch leaf 
x 20. c, apex of perichatial bract x40.'^, capsule X 10. e, portion of 
upper part of seta x 40. 
Fig. 4. Mnium rostratum. a t upper marginal cells X 200. 
Fig. 5. Mnium succulenturn (Burkili, no. 37177). a, upper marginal 
cells x 200. 
Plate II. — Fig. 5. Mnium succulenturn, (Assam, leg. Griffith). b : 
c y marginal cells near apex X 50. c, do. at mid leaf. 
Fig. 6. Leskea perslricta. a , plant, nat. size, b, stem leaf X 20. c, c 3 
branch leaves X 20. d , perichoetium X 10. e, capsule x 5 .f outer, g, inner 
perichoetial bracts, x 10. h, upper leaf cells x 200. e, alar do. X 200, 
Fig. 7. Rhynchostegiella assamica. a } stem, nat. size. b s b } stem 
leaves X 20. c, <?, branch leaves x 20. d , apex of stem leaf x 150 o e s 
upper cells x 200./°, capsules x4. 
Fig. 8. Barbella enervis (Burkili, no. 36039). a, stem, nat. size. h s 
leaf of secondary stem x 10. c } c , do. (somewhat flattened out) x20e<? # 
upper cells x 200. 
Fig. 9. Cyathophorum Burkillii s peristome x 80 {left, outer tooth* 
ventral surface; middle f do., dorsal surface ; right , process of endostome). 
c 
