
1. T. canadensis Marshall. AMERICAN Y. Spreading shrubs with decumbent or rarely erect branches, to 2 m tall. Leaves 1-1.5 (2.0) cm long. (n=l2) Rich coniferous woods and bogs; chiefly mts. Ky, Md, NC, Tenn (IP), Va, and WVa. [Ill, Ind, Ohio, Pa, and NJ].
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2. T. floridana Nuttall ex Chapman. FLORIDA Y. Bushy shrubs or small trees to 8 m tall. Leaves 1.5-2.5 cm long. (n=12) Shady, moist, wooded slopes, ravines, and bogs, very restricted; GC of Fla.