— filipes, xlii, 17.
Thermopsis caroliniana, xliv, 80.
— fraxinifolia, xliv, 81.
Thyrsanthus floridana, xxv, 75.
Tiarella cordifolia, iv, 63.
Tillandsia Bartrami, v, 292.
— monostachya, v, 292.
Tradescantia virginica, iv, 60.
Trillium recurvatum, xi, 178.
— viride, xi, 178.