192 NEW LICHENS. 
4. U. miliaria, Tayl.; thallo cæspitoso, erectiusculo, cinereo, 
tereti, ramosissimo; gemmis granulatis, confertissimis ; 
ramis ultimis acuminatis, subglabris; apotheciis sessilibus, - 
concoloribus, pruinosis, demum planis, extus scabris, mar- 
gine nudo, demum crenulato. 
Has. No. 1477. Arica; Cuming, Hook. herb.—Thallus 3-4 
. Inches long, Dady and repeatedly branched, rough, as 
_a file with thickly set whitish grains or buds. Apothecia 
usually proliferous of a single shoot from beneath. By 
the naked apothecia ours is allied to U. melaxantha, Ach.; 
but it is smaller; the thallus is not wrinkled and the 
apothecia are not reticulated beneath. 
5.: U. flexyosa, Tayl. 5 thallo pendulo, implexo, cinereo, fili- 
formi, ramosissimo, subnoduloso, ramis brevibus, flexuosis ; 
gemmis minutis, granulatis ; apotheciis concoloribus, te- 
nuissimis, planiusculis, pruinosis, margine ramoso-ciliatis. 
Has. Near Quito ; Prof. W. Jameson.—Tuft soft, 4-5 inches 
- ong. Thallus very slender, rather smooth, except where the 
granular buds occur. Apothecia excessively thin : the buds — 
on the margin elongating into a ciliary thallus which is at — — 
length branched. It is allied to U. florida, Ach., but is 
softer, smoother, finer and more flexuose; while the ee ae 
 thecia are almost as thin as cuticle. a d 
6. U. compressa, Tayl.; thallo pendulo, lineari, compresso, E a 
cinereo, dichotomo, elongate articulato, ramis basi angus- — 
- tatis, acuminatis, patentibus ; gemmis granulatis ; apotheciis 
ns planiusoulis, soncaluplisa, pin gue 
- Nepal, Wallich; Mysore, Dr. Wight ; Norfolk Island, 
p. e Hook. herbe Thallus 4-5: pies 
eis The ical thallus and jointed s stems « i inguis 
-this from U. florida, Ach. ` e 
: de U. naine Pari; ‘thallo cespitoso,. recto, 
| crassato, supra scuminato, unit lente à 
