Page. 
Abreeus, Leach 83 
— ———— aciculatus, Le Conte 84 
rythrocerus, j 68 
fimetarius, Le Conte 84 
—  ——— levigatus, 86 
sees Le Conte 84 
mplex, Le Conte 84 
Acacia famesiana, Willd. 216 
216 
—— irt a, Nutt. n = 
Acipenser hate chus a 
Actinella gr 2 andi a orr. & Gray 109 
—— —— linearifo ia, Do Gray 249 
v omes pavia, Torr. & Gray 241 
464 
- avia 469 
ddothopsin o sisi Göpp. 381 
— —— — —- lonchitides, Sternb. (e 
ponent. Gopp. 
— — — —— serlii, Gapp. 
Aletris aurea, Walt. - 
Algarobia glandulosa, Torr. & Gray 242 
ne whe is, Localities of 
Allium. mutabile, wc hx 
— 
re of 21 
aah amicta e & Gray uS 
= ipappus, Torr 
alysis 2 Ear bone of fish nt 
f Mastodon bones 4i 
——— of Minerals from Supe- 
eii Michx. 238 
ropogon avenaceus, 
Anemone Caroliniana, Walt. 211 
Anictangium um tum, 174 
rme, Hedw. 174 
pe oe pea Tor. & uM n 
p humilis, 
Aplopa ee ori, Nat di, o & Gra 109 
ved. soni ortifolius, Torr. y i 
Araneides of the United States, 19 
Arenaria pitcheri, Nutt. 
Argentife: galena 405 
Aristolochia longiflora, Eng. & Gray 259 
— — — — reticulata, Nutt. 260 
Arrhenopterum 182 
: : 250 
HA 
Page. 
pee cc moli Michx. 223 
Aster Drummondii, Lindl. 
p hyllole pis, der. & Gray 219 
Astero) pey r T Lindl. & Hutt. 
sept ag ut Brongn. 380 
Attus, Walck. 
audax 
auratus 
inus 
—————M 
