190 МЕ. W. MITTEN ON THE SPECIES OF 
of Thuidium recognitum ; and his specimen, in his complete collection of British Mosses, 
consisted of a single barren stem, to represent that species, which appears also to be 7. 
quadrifarium. Drummond, Musc. Amer. (1828), no. 214, has this as Hypnum proliferum, 
var. compactum—H. delicatulum, Hedw., being usually Т. Blandovii. Funk, n. 486, 
has a single stem with a fruit added as H. recognitum, and barren specimens with the 
same name are in Schimper's ‘Stirpes Normales’: other barren specimens have been 
seen from the Vosges and the St.-Gothard pass; none, however, of these specimens are 
fully satisfactory, and the species, if it be truly so, wants further observation in a living 
state in Europe. The American specimens from Drummond are all very short, as if 
broken off merely to show the fruit; but the species should be recognized by its 
continuous stems, not stoloniform at their apices, and the branches in four rows, from 
Т. recognitum, which has its branches in two rows only and is arcuate. 
Sect. Tamariscella, C. Muell. 
192. Тнототом CYLINDRACEUM, р.п. Monoicum. Caulis pinnatus, paraphyllis brevibus. 
Folia caulina a basi hastato-cordata, concava, subulato-acuminata, subula elongata 
sepe diffracta, nervo ante subulam desinente, integerrima, ramea patentia ovata sub- 
compressa, dorso papillosa, nervo concolore infra apicem evanescente; pericheetialia 
erecta, elongata, integra. Тһеса in pedunculo levi elongato cylindracea, inclinata, 
fere æqualis subarcuatave; peristomio normali, ciliis singulis. 
Fujisan, with old fruit in May, Bisset. 
. In stature and appearance this resembles 7. minutulum, but has a differently-shaped 
capsule. 
198. T. BIPINNATULUM, sp. n. Monoicum. Caulis bipinnatus, paraphyllis brevibus. 
Folia hastata acuminata, marginibus recurvis, nervo infra apicem evanido, ramea 
ovata ramulinaque obtusiora subcompressa patulo-incurva, dorso marginibusque 
papillis erosa ; perichzetialia apicibus subulatis recurvis. Тһеса in pedunculo elon- 
gato cylindracea, parum in:equalis, inclinata; peristomio normali, ciliis binis. 
Chiusenji, Bisset. 
To the unassisted eye, like the preceding, this is indistinguishable from 7. minutulum ; 
but there is the same difference in the form of the capsule, and the two Japanese species 
differ in ramification. 
194. HyPNUM ASSURGENS, Sulliv. et Lesq. in Proc. Amer. Acad. iv. (1860) 279. 
Found on decayed logs at Ousima, Loo Choo Islands, Amer. Explor. Exp., which is 
described as having stems without paraphylla, leaves linear-lanceolate from a cordate 
base, cells opaque, and the peduncle tuberculose, seems to belong to this group. 
MNIODENDRON, Lindb. 
195. M. Ковтнатяп, Van den Bosch et Sande-Lacoste, Bry. Jav. ii. t. 236. 
One stem, gathered by Siebold, is mentioned in Miquel. 
