Muscr Exoric:1.—AHumboldtiani. 
GRIMMIA FUSCO-LUTEA, 
Grimmia caule erecto cespitoso, foliis undique erecto- 
patentibus lanceolatis longe acuminatis incanis, seta 
arcuata, capsula ovata levi, operculo hemispherico. 
(Tan. LXIII.) 
Has. In frigidis Tobecce et Islahuacee, altitudine 1330 hexapod, 
(Regnum Mexicanum). Humboldt et Bonpland, 
Caules dense ceespitosi, 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; im~ 
Jeriora breviora, obtusiuscula, ¢oncolora. 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, 
