Musci Exorrci.—/Schmidtiani. 
TORTULA MEMBRANIFOLIA. 
Tortula subacaulis, foliis late ovatis membranaceis (albis) 
longe piliferis, nervo (viridi) latissimo, capsula oblonga, 
operculo rostrato. (Tas. XXVI.) 
Has, Sepibus lapidibusque regionis aride Orotave, Teneriffe. 
Prof. C. Schmidt, 1815. 
Radix dense cespitosa, tomentosa, fusca. Caulis vix ullus, Fo- 
lia late ovata, concava, imbricata, erecta, membranacea, alba, 
margine integerrima, subundulata, apice in pilum longum de- 
sinentia, nervo viridi Jatissimo ad basin pili attingente instructa. 
Seta semiunciam longa, erecta, flexuosa. Capsula suberecta, 
oblonga, Operculum rostratum, rostro curvato. Peristomium 
rubrum, e ciliis per totam longitudinem divisis, spiraliter tortis 
constans, 
This is one of the many interesting discoveries made by Pro- 
fessor Schmidt in the Canary Isles, whence he returned in the 
year 1815, to embark in the ill-fated expedition to explore the 
sources of the Zaire. He made the request that I would give his 
cryptogamic plants to the public in some shape or other. 
Fig. 1, plants nat. size. Fig. 2, single plant. Fig. 3, 3, 3, 3, 
leaves, Fig, 4, capsule.—magn, 
