Bape tes op 
iphthosa an 
Brattle 
Geology, Sc. of the Connecticut. 25 
green fluor spar, and the Wardsborough zoisite. The 
Coen Cobalt mine occurs in mica slate. 
The cry ptogamous plants that usually overspread a great 
part of the mica slate of this region, though perplexing to 
the mere geologist, are yet interesting to the botanist. 
Among those which adhere to these pele or to the little 
soil that collects in their cavities, may named, Bartra- 
mia gracilis, Smith, B. longiseta, Ma? 'B. crispa, Swartz, 
Hedwigia filiformis, P. Beuuv. in great abundance; Arrhe- 
nopterum heterosticum, Hedw urbaumia aphylla, La 
Fissidens saiaathowses, Bryun roseum, Diphyscrum falio- 
sum, Spreng. Polytrichum as Me Mea. Jungermannia 
pg solar i platyphylla hs: Cenomyce phyllaphera, 
and Ach. Stereocaulon paschale, Parmelia herba- 
erata,Porina apillosa,and periusa, Peltr- 
d scutata, and Stieta ey yetasliom au of 
Teg ih 
ea aph 
. 
“HL. serpen essiforme, Hedw. Jungermann ‘a modsfo. 
ea orvey Mesck dligtpus trichome, Hed. Pterigonium 
subcapillatum, Brid. Neckera minor, Brid. N. pennata,Hed, 
N, viticulosa,Hed. Cenomyce coccifera, Sri) ike botrys, 
§c.—Parmelia colpodes, ulothrix, cyelocelis, parietina, 
plumbea, bias —Lecanora tuberculata, ren nme brunnea, al- 
bella, §c.— Lecidea purmaceno, cameola, d demissa, ne s- 
striata, Sicko facile Balers silans badius ts si 
is, nigro-marginatus, cinnabarinus, velutinté; Feadinus, 
&e. all of Fetoes and many scores besides of Agaricus, 
‘ aoe in this place, 
d among the mica slate rocks we peeeeae find 
the Helix altolabris, Say, or common snail; and a 
some situations, H. aliernata, Svy. Ina pond i in Dieta 
is found sake bicarinatus Faz. y, and Cyelas similis, Suy. 
