292 
b. Microcalpe Mitten. 
829. R.-Hypnum Warmingii Hpe., n. sp. 
Monoicum, minus, vix unciale, gracile, prostratum, molle, 
lutescente splendens. Caulis ramosus, ramis angustis, ing. 
qualibus, complanatis, interdum attenuatis. ^ Folia caviuseula, 
undique imbricata, subdisticha, erecto-patentia, ovata plus minusve 
acuminata, integerrima, basi latere reflexa, impresso-contracta, 
enervia, cellulis alaribus paucis angulatis subpellucidis, ceteris 
linearibus, utrinque acutis, pallide diaphana; perichetialia pauca, 
vaginantia, interiora concava, lanceolata, longe acuminata, elon- 
gata, integerrima, basi margine parce reflexa, cellulis basilaribus 
vesicularibus subhexagonis, aureis, celeris pellucidis, versus 
apicem folii linearibus, hyalina. Seta ramis vix zquans, 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 wquante, 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. Calyptra longa, cucullata, 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 peristomii siccis inflexis. 
83. R.-Hypnum argyroviride Hpe., n. sp. 
Monoicum, humile, inter Leucobryum longe repens, argyro- 
viride nitens, laxe cespitans. Caulis elongatus radiculis fuscis 
repens, subpinnatim ramosus, ramis brevibus, paulisper com- 
pressis adscendentibus plumosis, laxius foliatis. Folia caulina 
undique imbricata, sicca erectiuscula, humida subdistiche paten- 
tia, flexuosa, concava, e basi truncata ovata, acuminata, margine 
