broad-leaved-, 713 



broad lipped-, 713 



heart-leaved-, 713 



southern-, 713 

 Twin-berry, 1560 

 Twisted-stalk, 659 

 Two-eyed berry, 1551 

 Typha, 3, 4, 6. 10,85,231, 

 1701 



angustifolia, 87, 89 



domingensis, 89 



latifolia, 11, 87 



truxillensis, 89 

 Typhaceae, 85 



Ulmaceae, 788 

 Ulmus rubra, 435 

 Umbrella 



-flatsedge, 447 



-grass, 365 



-plant, 447 

 Umbelliferae, 1211 

 Unicorn-plant, 1510 



family, 1508 



-root, 660 

 Uniola latifolia, 202 

 Urtica, 792 



Breweri, 792 



dioica 



gracilis, 792 

 gracilis, 792 

 angustifolia, 792 

 holosericea, 792 

 procera, 792 



gracilenta, 792 



gracilis, 792 



Serra, 792 



viridis, 792 

 Urticaceae, 788 

 Utah samphire, 836 

 Utricularia, 9, 1513 



biflora, 1522 



cornuta, 1516 



fibrosa, 1522 



gibba, 1522 



inflata, 1519 

 minor, 1519 



juncea, 1516 



macrorhiza, 1519 



pumila, 1522 



purpurea, 1519 



radiata, 1519 



subulata, 1516 

 cleistogama, 1516 



vulgaris, 1519 

 americana, 1519 



Vaccinium, 5, 1269, 1369 

 amoenum, 1270 

 arkansanum, 1271 



atrococcum, 1271 



caesium, 1270 



corymbosum, 1271 



Elliottii, 1270 



stamineum, 1269, 1270 



virgatum, 1270 

 Valerian, 1562 



family, 1562 

 Valeriana, 1562 



capitata, 1563 

 acutiloba, 1563 



edulis, 1565 



occidentalis, 1563 



texana, 1563 

 Valerianaceae, 1562 

 Valerianella, 1565 



amarella, 1566 



florifera, 1566 



locusta, 1565 



radiata 



Fernaldii, 1569 

 radiata, 1568, 1569 



stenocarpa 



parviflora. 1568 

 stenocarpa, 1568 



texana, 1568 



Woodsiana, 1566 

 Vallisneria, 161 



americana, 161 



spiralis, 161 

 Vanilla grass, 268 

 Vasey grass, 292 

 Veintiunilla, 1345 

 Velvet ash, 1305 

 Velvet grass, 224 

 Veratrum, 655 



californicum, 655 

 Verbena, 1365, 1396 



bonariensis, 1397 



bracteata, 1400 



bracteosa, 1400 



brasiliensis, 1397 



hastata, 1399 

 scabra, 1399 



Macdougalii, 1399 



Runyonii, 1400 

 rosiflora, 1400 



scabra, 1397 



angustifolia, 1397 



urticifolia. 1399 

 leiocarpa, 1399 

 Verbenaceae, 1393 

 Verbesina, 1659 



encelioides, 1659 

 exauriculata, 1659 

 Verdolaga, 884 



-blanca, 875 



-de agua, 1181 

 Vergonzosa, 1042 



Vernonia, 1362, 1367, 

 1592 



altissima, 1595 



crinita, 1593 



Driimmondii, 1595 



fasciculata, 1593 



Lettermannii, 1593 



marginata, 1593 



missurica, 1595 



temdfolia, 1593 

 Veronica, 1490 



americana, 1493 



Anagallis-aquatica, 1493 



catenata, 1493 



connata 



glaberrima, 1493 



peregrina, 1491 

 peregrina, 1491 

 xalapensis, 1491 



serpyllifolia, 1491 



Wormskjoldii, 1491 

 Vervain, 1396 



blue-, 1399 



Brazilian-, 1397 



family, 1393 



New Mexican-, 1399 



prostrate-, 1400 



Rio Grande-, 1400 



sandpaper-, 1397 



South American-, 1397 



white-, 1399 

 Vesiculina purpurea, 1519 

 Vetch, 1068 



deer-, 1053 



joint-, 1065 



milk-, 1061 



narrow-leaved-, 1968 

 Viburnum, 5, 1556 



cassinoides 

 nitidum, 1556 



nitidum, 1556 



nudum, 1556 



angustifolium, 1556 



rufidulum, 1556 

 Vicia, 1068 



angustifolia, 1068 

 Vidrillos, 870 

 Vigna, 1069 



luteola, 1069 



re pens, 1069 



unguiculata, 1069 

 Vine-mesquite, 314 



Viola, 1151 

 eriocarpa, 1152 

 esculenta, 1152 

 lanceolata, 5 



lanceolata, 1152 



vittata, 1152 

 Langloisii, 1154 



1775 



