278 
folii dissoluto; cellulis alaribus parvis, angulatis, numerosis, jn 
orbem dispositis, fusco-luteis, ceteris abbreviato-linearibus, vel 
anguste parallelogrammis, dense aggregatis leviusculis, tota folia 
lutescente transparentia; ramorum minora, magis cucullata, am. 
gustiora, basi parcius excavata, vix auriculata, cellulis alaribug 
paucioribus, ceterisque magis diaphana; perichetium fem, junius 
arcte convolutum; folia parva enervia, obovata, piliforme acumi. 
nata, pilo denticulato, cellulis anguste ellipticis, reticulata; catera 
desunt. 
Hab. provincie Rio de Janeiro (sub 1209, Glaziou). 
f. minor, gracilior et ramosior. 
Prope Lagoa Santa (Warming). 
Inter Orthostichellas foliis crinitis memorabilis. An Neckera, 
an Pilotrichum latet. 
49. Pilotrichella turgescens C. M. Synops. 
In vicinia Rio Janeiro, sterilem leg. Glaziou (Nr. 3541), 
50.  Pilotriehum undulatum C. M. Synops. 
Neckera undulata Hedw.  Paraphysantes Mitten. 
Lagoa Santa, ad ramos leg. Warming. 
91. Pilotrichum auronitens Hornsch. Fl. Brasil. 
"Prope Petropolem, sterile leg. Warming. 
52.  Prionodon rubiginosus Hpe., n. sp. 
Surculus vage repens, radiculosus, parce fibrillosus; caulis 
basi foliis vetustis obtectus, simplex, superne distiche pinnatim 
ramosus, dendroideus, 4— 6^ altus, ramis inaequalibus, erecto- 
patentibus, superne ramulosis, rubiginoso-viridibus. Folia un- 
dique imbricata, erecto-patula, plicata, e basi integerrima, latere 
revoluto, contracta, concava, ovato-lanceolata, elongata, usque ad 
apicem remote sinuato-dentata; nervo sub apicem folii dissoluto; 
cellulis alaribus minimis punctatis, dense seriatis, caeteris ellipticis 
incrassatis, folia tota lutescente transparentia; cetera desunt. 
Hab. in vicinia Rio de Janeiro (Glaziou, no. 2791). 
Ex habitu P. pinnati, colore rubiginoso et foliis magis ereclis, 
angustioribus, elongato-lanceolatis primo visu diversus. 
