326 10. BRYES. [.Hymenodon. 
59. HywrNopox, Hook. fil. et Wils. in Hook. Lond. 
Journ. iii. 548. 
Musch humiles. Folia parva, cellulis minutis areolata. Thece 
parvee, erect». Habitatio ad ligna. 
H. xrueinosus (Hook. et Wils. in Hook. Lond. Journ. iii. 154, Rhi- 
zogonium). Caulis gracilis, basi radiculosus. Folia in ramis sterilibus 
subcompressa, lateralia patentia, oblongo-elliptica, obtusa, planiuscula, 
nervo pellucido longe excurrente, marginibus ubique crenulatis, cellulis 
rotundatis utrinque papilliferis ; perichztialia ovata lanceolataque, acumi- 
nata, tenera, fusca, cellulis elongatis levibus. Theca in pedunculo rubro, 
ovali-cylindracea, operculo anguste subulato obliquo. 
Hab. Brasilia, Sierra dos Orgaos in caudice filicis arborez, Gardner, 
n. 33; Parana, Fazenda de Tueandava (2000 ped), in sylvis humidis ad 
caudices filicum, Weir, n. 65. 
Caulis 3 unciam altus. Folia j lineam longa, glauco-viridia, sicca 
appressa, post exsiecationem difficillime emollienda. Pedunculus $-uncialis. 
60. Rutzoconium, Brid. ii. 664. 
Musci caulibus simplicibus vel rarissime innovationibus ramo- 
sis. Folia firma, nitida vel obscura. Thece longe pedunculate, 
peristomio duplici perfecto instructe. Habitatio ad ligna, etiam 
in saxis. 
Sect. 1. PYRRHOBRYUM. Folia undique inserta, rigida, nervo rigido 
valido percurrente vel excurrente, marginibusque argute serratis, cel- 
lulis parvis rotundis limitibus latis obscuris. Theca cylindrica, plicata, 
horizontalis. 
Elorescentia SHEER. EE l. R. spiniforme. 
Florescentia Ee DEE 2. R. mnioides. 
Sect. 2. PHoTINOPHYLLUM. Folia undique inserta, nervo angusto per- 
cursa, cellulis majusculis pellucidis splendentibus areolata. Theca 
levis, horizontalis. 
Foba lambata <o- on oso os o wl se ec oe cree 3. R. reticulatum. 
Fola immarginata -4.o ee i ce ee eth 4. R. subbasilare. 
Sect. 3. EuruizoGonum. Folia compressa vel in plana verticali disticha, 
cellulis densis firmis areolata. Theca levis, horizontalis. 
olco AUR dM ee ict Cicer TE 5. R. Lindigii. 
Sect. 1. Pyrrhobryum, Mitten, Journ. Linn. Soc. 1868, 174. 
1. R. SPINIFORME (Linn. Sp. Pl. 1857 ; Hedw. Musc. Frond. 3, t. 25, 
Hypnum). Synoicum ; rami erecti, curvati. Folia rigida, patentia, sicca 
incurva, lineari-lanceolata, elongata, nervo rigido dorso dentato excur- 
