270 
eonstrieta nutante (nec ore aperto), operculoque erasso conico subu- 
lato longiore. 
92.  Rhizo-Hypnum camptorhynchum Hpe. — 8517, 7895. 
98.  Hhizo-Hypnum tamarisciforme .n. sp. 
Monoicum, gracile, laxe pinnatim ramosum, pallide lutescens. 
Caulis rigidiusculus arcuato-radicans, ramis simplicibus, interdum 
bipinnatis triangularibus. Folia caulina remota squarrulosa, e basi 
cordata, latere decurrente,  triangularia, apice subdentieulata, 
nervis parallelis brevibus pallidis, vel nullis, cellulis alaribus parvis 
rectangulis, pellueidis, ezteris angustioribus, abbreviato-parallelo- 
grammicis, nodulis splendentibus interruptis, diaphana, ramorum 
folia minora, distiche imbricata, patula, margine erecto profunde 
concava, ovato-lanceolata, basi latere decurrente amplexicaulia , ser- 
rulata; nervo obsoleto, densius areolata, minus diaphana; perichstii 
folia e basi lata vaginante laneeolato-acuminata, longe setacea 
reflexa, integerrima, enervia; cellulis basilaribus anguste rectangulis 
versus apicem folii breviter parallelogrammicis, nodulis interruptis, 
diaphana. Seta adscendens uncialis, vel paulo altior, rubra, summo 
apice incrassata.  'Theca inclinata parva oblonga, ore parum con- 
Stricta; opereulo coneolore rubro umbonato-conico-apieulato recto; 
peristomium spectabile, dentibus exter. pallide rufescentibus lanceo- 
latis, dense trabeculatis apice toruloso-acuminatis, hyalinis; mem- 
brana inter. pallida, cruribus carinatis remote trabeeulatis, acumi- 
natis, ciliis eapillaribus interjectis. Calyptra glabra. — Nr. 73062. 
Statura rigida, Tamariscellis gracilioribus smula, species 
tenera; foliis caulinis triangularibus, theca nutante, operculo recto, 
ealyptra glabra discernenda. 
94. Hhyncho-Hypnum finitimum Hpe. — 896. 
95. -— rivale Hpe. — 17378. 
96.  Rhyncho-Hypnwm subdepressum n. sp. 
Monoieum, subdepresso-prostratum, intense viride, novellis 
luteseentibus, nitidis. Caulis irregulariter subpinnatim ramosus, 
ramis subsimplieibus usque sesquiuneialibus, compressis, apice parce 
