Index 



121 



Trifolium 60 



Triglochin 13 



Triglochineae, tribe 13 



Trigonella 60 



Trinia 78 



Trisetum 1 8 



Triticum (including Agropyrum and 



Secale) 20 

 TroUius 47 



Tsuga (including Pseudotsuga) 9 

 Tubiflorae, order 88 

 Tubuliflorae, subfamily 104 

 Tulipa 26 

 Tulipeae, tribe 26 

 Tunica 45 

 Tussilago 106 

 Typha 1 i 

 Typhaceae, family 11 



Ulex 60 



Ulmaceae, family 36 



Ulmaria 59 



Ulniarieae, tribe 59 



Ulmoideae, subfamily 



Ulmus 36 



Umbellales (Umbelliflorae), order 



Umbel liferae, family 75 

 Umbelliflorae, order 74 

 Urereae, tribe 37 

 Urtica 37 



Urticaceae, family 37 

 Urticales, order 36 

 Utricularia 98 

 Utricularieae, tribe 98 



Vaccinieae, tribe 82 

 Vaccinioideae, subfamily 82 

 Vaccinium (including Oxycoccos) 

 82 



36 



Valeriana 10 1 

 Valerianaceae, family loi 

 Valeriancae, tribe loi 

 Valerianella lor 

 Vallisnerioideae, subfamily 15 

 Verbasceae, tribe 95 

 Vcrbascum 95 

 Verbena 9 1 

 Verbenaceae, family 91 

 Verbeneae, tribe 91 

 Verbenineae, suborder 90 

 Veronica 96 

 Viburneae, tribe 100 

 Viburnum 100 

 Vicia 61 

 Vicieae, tribe 61 

 Villarsia 87 

 Vinca 87 

 Viola 7 1 



Violaceae, family 7 1 

 Violeae, tribe 71 

 Viscaria 44 

 Visceae, tribe 38 

 Viscoideae, subfamily 38 

 Viscum 38 



Wahlenbergia 103 



Wahlenbergiinae, subtribe 103 



Wolffia 23 



Wolffoideae, subfamily 23 



Woodsia 5 



Woodsieae, tribe 5 



Xanthium (05 



Zannichellia 12 

 Zannichellieae, tribe 12 

 Zostera 1 2 

 Zostereae, tribe 12 



CAMBRIDGE : PRINTED BY JOHN CLAY, M.A. AT THE UNIVERSITY PREiiS 



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N. C. state ColloSf* 



