44 



392 Trichocloa De Cand. 



1 capillaris De Cand. Stipa sericea Mx: 



393 Trichodmm Mx. 



1 laxiflorum Mx. Tickle Grass. 



2 scabrum Muhl. 



394 Trichostema L. 



1 dichotoma L. Blue Curls. 



395 Tricupsis Beauv. 



1 sesleroides Torrey. Poa quinquefida Ph. Sugar Loaf. 



396 Trientalis L. 



1 americana Ph. and Big. Chick Wintergreen. 



397 Trifolium L. 



1 arvense L. Field Clover, Rabbit Foot. 



2 pratense L. Common Clover. 



3 repens L. White Clover. 



398 Triglochin L. 



1 maritimum L. Arrow Grass. N. Haven. 



399 Trillium L. 



1 cernuum L. Nddding Wake Robin-. 



2 ereclum L. False Wake Robin. 



3 pictum Ph. Smiling Wake Robin. 



400 Triosteum L. 



1 perfoliatum L. Fever Root, Horse Ginseng. 



401 Triphora Nutt. 



1 pendula Muhl. Arethusa pendula L. Three. Bird Orchis. 

 Deerfield, Rare. 



402 Trisetum Pers. 



1 palustre Torrey. Aira pallens Muhl. 



403 Triticum L. 



§ 1 aestivum L. Wheat. Scarcely naturalized. 



404 Tussilago L. 



1 farfara W. Colts Foot. 



2 palmata Ait. Plum Trees, Sunderland. The only known 

 localitij in the United States. 



405 Typha L. 



