30  STEGOCARPI. PLEUROCARPI. RHEGMATODON. 
ginem rhomboidalibus obseure viridibus, utriculo primor- 
diali tenui praeditis; perich. late lanceolato- acuminata 
longiora vaginantia laxe pellucide reticulata subnervosa; 
theca in ped. laevi rufescente brevi parum inclinata v. 
erecta inaequalis oblonga pallida, operc. turgide conico 
aurantiaco; perist. d. ext. brevissime lanceolati dense et 
interne maxime costato - trabeculati, igitur veluti ex arti- 
eulis latiusculis transversis moniliformibus compositi, int. 
maxime alti late lanceolati, remote articulati, medio hian- 
tes, lutei rugulosi, omnes longe infra orificium oriundi. 
Patria. Ad corticem arborum in dumetosis Indiae 
orientalis, circa Kaitie montium Neelgheriensium: Per- 
rottet. 
An a sequente revera distinctus? 
2. R. declinatus Brid. (IL. p. 204; 1827.); monoi- 
cus; R. orthostegii simillimus, sed differre videtur: foliis 
concavis margine haud revolutis, perich. caulinis confor- 
mibus, pedunculo apicem versus scabro. +. 
Schwügr. Suppl. HL L 2. t. 204. — Pterogonium declinatum 
Hook. Trans. of Linn. Soc. IX. t. 26. f, 3. 
Patria. Nepal, in arborum cortice: Buchanan. 
b. Folia binervia. 
3. R. rufus C. Müll; monoicus; repens dense cespi- 
tosus, ramis subaequalibus ascendentibus crassiusculis 
subrigidis e viridi rufescentibus nitidulis subflexuosis apice 
paulisper secundis simpliciusculis parum compressis pin- 
natus; folia caulina dense conferta, humore erecto - pa- 
tentia, paullo homomalla, e basi angustiore lanceolato - 
ovata, obliquiuscule. acuminata, profunde concava, sub- 
plicata, margine integerrimo inferne reflexo, cellulis grosse 
elliptieis firmis, alaribus superioribus distinctis paucis par- 
vis, inferioribus majoribus, omnibus flavidis, nervis binis 
brevissimis obsoletis flavidis; perich. longiora minus cava, 
basi laxe reticulata; theca in ped. breviusculo rigido cras- 
siusculo laevi purpureo flexuoso ereeta v. parum inclinata, 
e basi substrumosa oblonga, ore latiore, exannulata, fusca, 
