€ 
Musct Exorici1.—Humboldiiani. 
GRIMMIA FUSCO-LUTEA. 
Grimmia caule erecto czspitoso, foliis undique erecto- 
patentibus lanceolatis longe acuminatis incanis, seta 
arcuata, capsula ovata levi, operculo hemispheerico. 
(Tas. LXIL.) , 
Has. In frigidis Tobecce et Islahuacz, altitudine 1330 hexapod.. 
(Regnum Mexicanum). Humboldt et Bonpland. | 
Caules dense czespitosi, erecti, versus apicem subramosi. Folia 
undique sublaxe imbricata, erecto-patentia, fusco-viridia vel: . 
lutea, superiora pallidiora, concava, lanceolata, in pilum lon- 
gum incanum serrulatum attenuata, nervo evanescente ; in-- 
feriora breviora, obtusiuscula, concolora. Seta brevis, ar-- 
cuata. Capsula ovata, annulata, flava. Operculum hemi- 
sphericum, obtusum. Peristomii dentes 16, hic illic longitu- 
dinaliter perforati, rubri, transversim striati. 
Much as the subject of the present plate resembles the moss 
last figured (Gr. longirostris) in its foliage, yet there is a very 
wide difference in their fructification, which in Gr. fusco-lutea 
is more like-G. pulvinata, from which again the leaves are very 
dissimilar. 
Fig. 1, tufts nat. size. Fig. 2, single plant.. Fig. 3, leaf.. 
Fig. 4, capsule. Fig. 5, portion of a capsule with the teeth of: 
the peristome and annulus,—magn. 
