680 



INDEX. 





Vaccinium parvifolium, 393. 



uliginosum, 393. 

 Vancouveria hexandra, 375. 

 Verbena bracteosa, 396. 

 Veronica alpina, 396. 



Americana, 396. 



serpyllifolia, 396. 

 Vibratory cilia, 140. 

 Viburnum ellipticum, 387. 

 Vicia gigantea, 380. 



Oregana, 380. 

 Viguiera nivea, 658. 

 Vilfa depauperata, 408. 

 Viola blanda, 377. 



canina, 377. 



glabella, 377. 



Hallii, 377. 



Nuttallii, 377. 



renifolia, 288. 



sarmentosa, 377. 

 Virgil, reading of MSS., 336. 

 Volcanic activity, 486. 

 Votes of thanks, 7, 327, 439, 484. 



W. 



Wislizenia Palmeri, 622. 



Woodsia scopulina, 411. 

 Wyethia, 654. 



amplexicaulis, 655. 



angustifolia, 655. 



Arizonica, 655. 



glabra, 654. 



helenioides, 654. 



helianthoides, 655. 



mollis, 655. 



ovata, 655. 



robusta, 391, 655. 



scabra, 655. 



X. . 



Xanthisma, 633. 

 Xanthocephalum, 632. 



Wrightii, 632. 

 Xerophyllum setifolium, 405. 

 Xylorhiza, 399. 

 Xylosteon, 387. 



Zinneae, 654. 

 Zone-observations, 500. 

 Zygadenus Nuttallii, 405. 



Cambridge : Printed by Welch, Bigelow, & Co. 



