157 
At Kew, in Schimper’s herbarium, there is a specimen labelled 
0. Halli with also a manuscript name of Schimper’s (O. /eptocar- 
pum, Sch. m. s.), collected by Drummond, locality not stated; but 
these specimens have no cilia, and the teeth are papillose, not 
striate. Macoun has recently sent us specimens labelled O. Halli 
(fide Kindberg), which proved to be QO. strangulatum Sull. 
39. ORTHOTRICHUM OHIOENSE S. & L. (Sull. Icon. Supp. 66, 4 48 
(1874). 
This species is very common in the Eastern States, growing on 
trees mixed with Q. strangulatum, Sull., ranging from Georgia 
and South Carolina, north to Ontario, west to the foot of the Rocky 
Mountains, in Montana, R6ll, No. 1267, recently reported by 
Venturi. (Hedwigia 32: 284, 1893). 
VII. Group or O. TENELLUM. 
In this group are included two European species, O. tenellum 2 Ne 
and O. Rogeri, and four American, O. cylindricarpum, O. Coultert — 
O. Hendersoni, and O. Jamesianum, the latter being anomalous on 
account of having no cilia. 
40. ORTHOTRICHUM TENELLUM Bruch. . 
This species is characterized by its faintly papillose leaves, 
broad blunt points, upper half of the capsule exserted, neck im- 
metsed and tapering into a short seta, teeth united in pairs, papil- 
lose, cilia 8, calyptra sparsely hairy. 
Type European; common in Central Europe on trees. Has" 
also been r eported from trees at the base of the Rocky Mountains, 
collected by Wolf & Rothrock and E. Hall. 
4. OxtHorricnum Roceri Brid. oe 
Differs from O. tenellum in its red teeth, shorter naked calyp- 
tra, shorter capsule, and leaves occasionally serrulate at apex. 
Bo Type European; on trees in the the mountains of. Norway, 
phemia, Switzerland and the Tyrol. Not common and paged ne 
rR ah O. pallens, according to Venturi. This species has aries | 
mined from specimens in our herbarium collected by J: Valles : 
Tae on trunks of Zsuga Pattoniana in the Traille River rat 
ho, No, 233 (1890). Z ae 
4. OrtHorricnum CYLINDRICARPUM Lesq. Trans. Asm. ea 
«3° © (1863). Proc. Cal. Acad. Sci. 1: 17 (1868). Sull. Icon. 
Suppl. 7o, z 52 (1874). ee Seas 
