MUSCI AND НЕРАТ!СЖ RECORDED FROM JAPAN. 155 
This minute moss has more the appearance of small scattered stems of some species of 
Cesia than of any Angstremia, and until a few stems were found with apical perichetia 
it was indeterminable. 
DITRICHUM, Timm. 
2. D. PALLIDUM.— Bryum pallidum, Schreb. 
Collected by ‘Challenger’ Exp.; and at Oyama by Bisset; also in China by Fortune. 
3. D. DIVARICATUM, sp. п. Monoicum. Caulis humilis. Folia a basi oblonga cauli 
appressa, subito divaricata, subulata, longe angustata, canalieulata, nervo lato supra 
mediam a pagina indistincto, cellulis brevibus obscuris areolata, apice paucidenti- 
culata; perichsetialia sequilonga, dimidio inferiore vaginante, superiore angusto. 
Тһеса in peduneulo rubro suberecta, cylindracea, recta. 
Shiranesan, with young seta in August; Nantaizan, September, with old capsules, 
Bisset. 
Caulis 1 ст. altus. Folia 4 mm. longa, pars erecta 1 mm., pallida, pars divaricata 
recta, curvata flexuosave, viridis obscura, levis. Pedunculus 2 cm. altus, satis tenuis, 
inferne ruber. Theca 3 mm. longa, fere ubique :equilata, angusta, ætate pallida, fere 
chartacea.  Peristomium vetustum, dentibus elongatis. 
Quite distinet from .D. pallidum in the form of its leaves and capsule. 
DICRANELLA, Schimp. 
4. D. HETEROMALLA, Schimp.—Dicranum heteromallum, Hedw. 
Nikko, Yumoto, Bisset. , 
TREMATODON, Rich. 
5. T. LONGICOLLIS, Rich. 
Collected by Textor. 
DICRANUM, Hedw. 
Sect. Eudicranum, Mitt. in Journ. Linn. бос., Bot. хи. 62. 
6. D. JAPONICUM, sp.n. Caulis erectus. Folia patula secunda recta falcataque, linealia, 
sensim angustata, e medio ad apicem argute serrulata, nervo tenui dorso bilineato 
denticulato, cellulis apicem versus elongatis angustis, inferioribus latioribus, basin 
versus rectangulatis, parietibus solidis, alaribus fuscis obscuris; perichzetialia arcte 
convoluta, late ovalia, nervo vix conspicuo, in acumen elongatum curvatum lamina 
angustissima subintegerrima marginatum producta.  Theca longe pedunculata 
. eylindracea arcuata, levis, operculo subulato, peristomio dentibus teneris. 
With deoperculate capsules, * Challenger’ Exp.; Oyama and Fujisan, barren, Bisset. 
Caules 3-4-unciales laxe ezespitantes ut plurimum simplices, inferne radicellis incon- 
spicuis vestiti. Folia 1 ст. longa, flavescentia subnitentia, siccitate, vix „mutata. 
Perichzetialia 6-7 mm. longa, acuminibus 2 mm. longis. Pedunculus 4 em. longus, ruber. 
Theca 3 mm. longa, fusca, haud plicata, basi subzequalis. 
Larger than D. scoparium, but without any near — to D. majus. The 
PS 
