PLEUROC., PERISTOMI. H. STEREODON. 615 
Caulis repens, saepius quisquiliis conspurcatus , radiculo- 
sus, fragilis, divisus , simpliciter pinnatus. Rami utrimque 
depressi, incurvi, brevissimi, bi-trilineares, Folia dense 
imbricata, insmihisiois -acuminata, circinato -falcata, secunda, 
subserrulata, enervia, subtilissime lineari- areolata, e lu- 
ies dila. nitida, subsericea.  Perichaetialia imbrica- 
tim conferta, exteriora brevia, interiora oblongo-acuminata, 
bu crinita, luculenter serrulata, enervia. Pedunculus 
e vaginulà cylindri ricà in caule (ees primariis Ia- 
teralis, solitarius, erectus, a semuncià ad unciam longus, 
laevis, rubicundus. There. junior Risa subaequalis, ere- 
ctiuscula, matura cernua, infra operculum contracta, e ru- 
bello olivacea, evacuata nunc fuscidula, nunc SE brun- 
nea, Peristomii exterioris dentes subconcolores apice pallidi, 
lanceolati, inflexi, remote trabeculati; interius, membrana 
carinato -sulcata ,,lutescens , ciliis sedecim imperforatis, ci- 
liolis morie interpositis. Annulus nullus, Operculum e 
basi alt exà olivaceo -rubente in rostrum crassiuscu- 
hat thecae "dimidiam partem aequans, subconcolor, sursum 
deorsumye incurvum, apice rubellum desinens. Calyptra 
cuculliformis , pallida. 
A St. cupressiformi foliis caulinis subserrulatis, pe- 
richaetialibus lucülentius serrulatis ut et operculo longiori 
curvirostro, a St, leptoryncho cui simi'is , staturà mi- 
nore, pedunculis duplo brevioribus et operculi rostello.bre- 
viore incurvo nec longissimo tenuissimo suberecto differt. 
Variat : l : 
B. SEN osus folis insigniter uncinato -squarrosis, angusta- 
to-acuminatis, thecà oblongà arcuatà. 
Leskea squarrosa, repens, foliatione subdistichà depressá 
laxe imbricatà postea insigniter umcinato- -squarrosá, foliis 
lanceolatis gracillime angustato acuminatis, perigonii lon- 
giusculi lineari-subulatis, sporangio preprià arcuatione cernuo. 
Rich, Pl, Amer. Bor. Micn. IT. p.312. L. Cai caule re- 
pente, foliis laxe imbricatis subsecundis uncinato-squarrosis 
lanceolatis angustato - acuminatis apice subdenticulatis, peri- 
chaetialibus lineari-subulatis, thecà cernuá. Sp. Musc. II. 
p. 77. Stevo., Nom. Crypt, p. 254 
In humidis Carolinae Micuavx. In insulà Terre Neu- 
ve La Pvrar, 
'Thecà non erectiuscnlà ovatå, sed oblongo arcnatà ad 
horizontem cernuà, a St. recurvente primo conspeciu 
