68 NEW YORK STATE MUSEUM 
Sumac, dwarf, 59 
mountain, 59 
upland, 59 
Susquehanna valley, supplementary 
list of plants, 6, 57-60 
Syndesmon thalictroides, 59 
Tag alder, 59 
Tarweed, 59 
Tenuifoliae, 51-54 
Thorn, 36 
ascending, 51-52 
Brainerds, 56 
broad leaved, 47-48 
Champlain, 45-46 
conjoined, 41-42 , 
contiguous, 50 
delucid, 58-54 
dissonant, 42-48 
early, 55 
EHeglestons, 55-56 
excluded, 47 
Graves, 54 
Holmes, 48-49 
intricate, 43 
Jobulate, 49 
mature, 52-53 
modest, 44 
Peck’s, 44-45 
Pringles, 46-47 
Thorn, succulent, 57 
unpolished, 50-51 
Thorn apple, 36 
Thorn bush, 36 
Thorn tree, 36 
Tomentosae, 38, 39, 57 
Torrey, cited, 14 
Torrey’s wild liquorice, 60 
Tricholoma, two colored, 21 
explanation of plate, 61 
Tricholoma subluteum, 21 
explanation of plate, 61 
Tufted collybia, 27-28 
Twin berry, 60 
Ulmaria rubra, 22 
Upland sumac, 59 
Viola cucullata, 26-27 
rotundifolia, 27 
selkirkii, 27 
Violet, blue, 26-27 
round leaved yellow, 27 
Waxweed, blue, 59 
Wood panicum, 58 
Wormy pholiota, 32 
Xylaria grandis, 27 
