MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 479 



the leaves are cuneate, 3-toothed at the apex , and the sepals are 

 without subulate tips. An introduced weed in waste places. 



Montana: Flathead Mission, 1899, ,/. W. Blankinship. 



In page 268, before Rhus trilobata, insert: 

 Rhus glabra L. Sp. PI. 265 [111. Fl. 2 : 387 ; Man. R. M. 49: 83^1. 



Fl. I': 384]- 



In dry soil, up to an altitude of 1500 ni. 



Montana: Selish, Flathead Reservation, 1899,/. W. Bhinkin- 

 ship. 



In the last line, instead of " 6-12 dm." read : " 6-12 cm." 



On page 270, after Rhamnus alnifolia, add : 

 Rhamnus Purshiana DC. Prod. 2: 25 [Syn. Fl. i" : 408; Man. 



R. M. 47 ; Bot. Cal. i: 101]. 



Mountain-sides, up to an aldtude of perhaps 1000 m. 



Montana: Mission Mts., near Flathead Mission, 1899,/. W. 

 Blankinshijy. 



On page 278, before Boisduvallia glabrella, insert : 



* Chamaenerion latifolium grandiflorum (Britt.); Efilohium lati- 

 foUnm grandiformn Britt. Bull. Torr. Bot. Club, II : 36. 



Leaves ovate, and the flowers much larger than in the common 

 form. 



Montana : Mountain above Stanton Lake, 1894, R. S. Williams, 



lOI I . 



On page 291, after Cicuta maculata, add : 



* Cicuta bulbifera L. Sp. PI. 255 [111. Fl. 2 : 536]. 



A very slender plant, with finely dissected leaves having narrowly 

 linear segments, and bulblets in the axils of the upper ones ; flowers 

 few and seldom producing fruit. In swamps. 



Montana: MacDonald's Lake, 1892, R. S. Williams. 



On page 294, after Pyrola picta, add : 

 *Pyrola dentata Smith; Rees, Cyclop, no. 18. 



Like P. picta, but with the thick narrower oblanceolate or spatu- 

 late leaves erect, almost unspotted, and only slightly reticulated : 

 flowers smaller. 



Montana: Missoula, 1898, Williams <& Griffith. 



On page 301, before Vaccinium caespitosum, insert : 

 Vaccinium Myrtillus L. Sp. PI. 349 [Man. R. M. 228; Syn. Fl. 

 2' : 24; Bot. Cal. I : 451]. 



