=Taxodium distichum= =28=, 31, 297, 300
Thorn, Mrs. Ashe's 185, 187
Miss Beckwith's 203, 205
Judge Brown's 185, 187
Chapman's Hill 188, 189
Dr. Clapp's 206
cock-spur 182, 183
downy 212
Eggert's 209, 210
Fretz's 203, 204
Dr. Gattinger's 206, 207
Jesup's 200, 202
large-fruited 185, 186
long-spined 188, 190
Marshall's 182
Newcastle 182
New-river 191, 192
pear 191, 193
red-fruited 212, 213
round-leaved 194, 195
scarlet 209, 211
shining 197, 198
southern 196, 197
variable 197, 199
Washington 214, 215
waxy-fruited 206, 208
=Thuja occidentalis= =32=, 33, 300
=Tiliaceæ= =255=
=Tilia= =255=
_americana_ _255_
=glabra= =255=, 256, 298, 300
=heterophylla= =257=, 258, 300
_heterophylla_ variety _Michauxii_ _259_
=neglecta= =259=
=Toxylon pomiferum= =155=