Musct1 Exorticit.—AHumboldtiani. 
HOOKERIA FALCATA. 
Hookeria caule procumbente, ramis erectis, foliis fal- 
cato-secundis, lanceolato-longe acuminatis, serratis, 
binervibus, capsula ovata horizontali, operculo*’subu- 
lato, calyptra basi 6- vel 8-fida. (Tas. LIV.) 
Has. In convallibus Andium Granatensium inter Almaguer et 
Pasto, altitudine 1200—1500 hexapod. Humboldt et Bon- 
pland. 
Caulis procumbens, ramis brevibus, erectis, sepe simplicibus. 
_Folia undique inserta, sed insigniter faleato-secunda, lanceo- 
lata, longe acuminata, serrata, binervia, nervis ante apicem: 
evanescentibus, Perichetialia subenervia, ovata, tenuiter 
acuminata, serrulata. Sefa sesquiunciam longa, flexuosa.. 
Capsula ovata, horizontalis. Operculwm subulatum. Caly- 
pira mitriformis, glabra, ad apicem solummodo scabriuscula,, 
basi sub-8-fida. Peristomium ut in Hypno ; dent. ext, linea 
_ media pellucida. 
At first sight this plant has much affinity with H. uncinatum ; 
but it is a true Hookeria, having a calyptra like that of Hookeria 
pallescens (vide Tan. XXXVIII.), except that the divisions of it 
are shorter, ‘The leaves will readily Gintinguiah this species both 
from the one just mentioned, and from every other individual at 
present known of the genus. 
Fig. 1, plant nat. size. Fig. 2, leaf. Fig. 3, pericheetial leaf. 
Fig. 4, capsule. Fig. 5, calyptra, Fig, 6, outer peristome. Fig. 7, 
inner ditto,—magn, 
