98 



Index 



White Sweet Clover 39 



White Elm 23 



White Larkspur 30 



Whitlow Grass .' 32 



White Mulberry 23 



White Oak 21 



Whitetop 15 



Wild Barley 14 



Wild Carrot 56, 57 



Wild Cherry 35 



Wild China Tree 48 



Wild Cucumber 76 



Wild Geranium 41 



Wild Gourd 75 



Wild Honeysuckle 54 



Wild Hyacinth 18 



Wild Lettuce 86 



Wild Oats 14 



Wild Onion 18 



Wild Petunia 72 



Wild Rye 14 



Wild Water-pepper 23 



Wild Yellow Plum 35 



Wild Pomegranate 75 



Wild Poppy 31 



Wild Tobacco 64 



Wild Verbena 67 



Willow Weed 24 



Wine Cup 50 



Winged Elm 23 



Wissadula holosericea Garcke 51 



Woodbine 49 



Wood Sorrel 42 



Wormseed 25 



Woundwort 70 



Xanthisma texanum DC 80 



Xanthium speciosum Kearney 77 



Xanthoxalis (Oxalis Wrightii Gray) 42 



Xanthoxalis corniculata Small 41 



Xanthoxalis stricta Small 42 



Xanthoxylum carolinianum var. fru- 



ticosum A. Gray 42 



Xanthoxylum Clava-Her cults L 42 



Ximenesia encelioides Cav 83 



Yarrow 85 



Yaupon 47 



Yellow Wild Columbine 29 



Yellow Wood Sorrel 41, 42 



Yucca Arkansana Trelease 19 



Yucca rupicola Scheele 19 



Zanichellia palustris L 8 



Zephyranthes texana Herb 19 



Zexmenia hispida Gray 83 



Ziziphus obtusifolia A. Gray 49 



Ziziphus vulgaris Lam 49 



Zygadenus Nuttalii S. Wats 17 



