292 
b. Microcalpe Mitten. 
82. R.-Ilypnum Warmingii Hpe., n. sp. 
Monoicum, minus, vix unciale, gracile, prostratum, molle, 
lutescente splendens. Caulis ramosus, ramis angustis, inæ- 
qualibus, complanatis, interdum attenuatis. Folia caviuscula, 
undique imbricata, subdisticha, erecto-patentia, ovata plus minusve 
acuminata, integerrima, basi latere reflexa, impresso-contracta, 
enervia, cellulis alaribus paucis angulatis subpellucidis, cæteris 
linearibus, utrinque aculis, pallide diaphana; perichætialia pauca, 
vaginantia, interiora concava, Ianceolata, longe acuminata, elon- 
gata, integerrima, basi margine parce reflexa, cellulis basilaribus 
vesicularibus subhexagonis, aureis, cæteris pellucidis, versus 
apicem folii linearibus, hyalina. Seta ramis vix æquans, gracilis, 
intense crocea, flexuosa, nitida. Theca parva, obovata, incurva, 
sub ore constricta, brevicollis, rubra, deoperculata, ore aperto 
suburceolaris, pallida; operculo convexo pallido, subula tenui 
concolore, thecam vix æquante, vel breviore terminata, subrecta. 
Peristomium duplex; dentibus incurvis, pallide rubris, dense 
trabeculatis, linea media notatis lanceolato-subulatis, apice toru- 
loso-articulatis albidis, inter. membrana lutescens; cruribus cari- 
natis subulato-acuminatis, ciliis binis brevibus fugacibus inter- 
positis. Calyplra longa, cuculiata. pallida. 
Hab. Lagoa Santa, parce intermixtum, leg. Warming. 
Observ. Hypno macrorrhyncho Hornsch. parce affine; differt 
caule graciliore plumuloso, foliis tenuioribus, brevioribus, minus 
acuminatis, theca minore, operculo pallido, aciculari breviore, 
nec thecam superante, dentibus perislomii siccis inflexis. 
83. R.-Hypnum argyroviride Hpe., n. sp. 
Monoicum, humile, inter Leucobryum longe repens, argyro¬ 
viride nitens, laxe cæspitans. Caulis elongatus radiculis fuscis 
repens, subpinnatim ramosus, ramis brevibus, paulisper com- 
pressis adscendenlibus plumosis, laxius foliatis. Folia caulina 
undique imbricata, sicca erectiuscula, humida subdistiche paten- 
tia, flexuosa, concava, e basi truncata ovata, acuminata, margine 
