INDEX 



593 



Woundwort, Marsh, 357 

 Soldier's, 486 



Xanthium canadense, 461 



spinosum, 460 

 Xanthoxalis corniculata, 256 



stricta, 255 



Ximenesia encelioides, 470 

 Xylorhiza Parryi, 439 



Yarrow, 486 



Sneezewort, 489 

 Yellow-seed, 178 

 Yellow Star, 481 

 Yellowweed, Creeping, 426 



Tall, 425 

 Yerba Mansa, 85 



Zygadenus venenosus, 76 



Printed in the United States of America. 



