æ 
127 
Fam. Pierogoniaceæ. 
Gen. Pterogonium Schwaegr. 
l. P. commutatum C.M., H. Bot. Zeit. 1857, pag. 385. Syn. 
Neckera pulchella C.M. Syn. II, pag. 78. 
Prope Rio de Janeiro: Beske et Glaziou (7397). 
2, P. Beyrichianum Hpe. herb. 
Monoicum, parvulum, intense rufescente viride.  Caulis adscen- 
dens. 3—5-linearis, parce ramulosus.  Folia caulina subsecunda, 
ovato- vel oblongo-lanceolata, attenuata, margine erecto concava, 
integerrima, enervia; cellulis alaribus rectangulis pallide aureis, 
cæteris dense aggregatis, parvis, parallelogrammicis,- transverse 
seriatis, subincrassatis, nodulis lucide splendentibus interruptis; 
perichætialia rufescentia, basi vaginantia, ovato-lanceolata, integer- 
rima, piliformiter acuminata, patula, cellulis inferioribus subrectangulis. 
Superioribus angustatis.  Seta brevis 3'” alta, erecta. — Theca 
elliptico - cylindrica , recta, deoperculata apice contracto parce cur- 
Vata; dentibus peristomii simplicis lanceolatis, dense trabeculatis, 
linea verticali angusta, pellucidis; cætera desunt. 
Prope Novo Friburgo ad ramos legit Beyrich. 
Å priori cellulis foliorum parallelogrammicis transverse ,seriatis 
discernendum. 
Gen. Clasmatoden Hook. 
1. C. pellucidum Hpé., Symb. XIX, 1874. 
In vicinia Rio de Janeiro et Rio Preto frequens: filen ion. 
Gen. Campyledontium Dozy & Molkb. 
l. C. Regnellianum; Neckera C. M. Syn. II, pag. 68. Syn. 
Mesonodon onustus minor Symb. VIII, 1870. be 
Lagoa Santa, menze Martii 1864: Warming. Prope 
Åpiahy: Puiggari. 
