476 MEMOIRS OF THK NEW YORK BOTANICAL GARDEN. 



cm. long in fruit; silique very slender, 1-1.5 cm. long, and scarcely 

 I mm, wide, more or less curved, gradually tapering into the short 

 style ; seeds strictly in one row. 



In barren soil, at an altitude of 2500 m. 



Montana: Lava Peak, four miles east of Mystic Lake, 1898, ,/. 

 W. BlanT^inshif. 



Yellowstone Park : 1888, Dr. Chas. //. Hall (type). 



On page 193, before Saxifraga reflexa, insert : 



* Saxifraga Mertensiana Bong. Mem. Acad. Petersb. (VL) 2: 141 



[Bot. Cal. i: 195]. 



A species generally bearing bulblets, with rounded-cordate mau}-- 

 lobed leaves having long petioles, club-shaped filaments, and obo- 

 vate obtuse short-clawed petals. Wooded banks. 



Montana: Stanton Lake, 1894, R. S. W/'I/fanis. 



On page 195, before Therofon heucheriforme, insert : 



* Suksdorfia violacea Gray, Proc. Am. Acad. 15: 41. 



The genus is related to Therofov and SuUivaiitia, and character- 

 ized by its campanulate h^-panthium or so-called calyx, 5 narrow 

 sepals, long-clawed marcescent spatulate petals, and 5 stamens with 

 sub-sessile anthers. The species has reniform lobed leaves and a 

 bulbifero-granuliferous base. 



Montana: Columbia Falls, 1893, 7?. S. Williains. 



On page 203, before Ribes viscosissimum Pursh, insert : 



* Ribes petiolare Dougl. Trans. Hort. Soc. Lond. 7: 514. 



A closer study has persuaded me that R. -petiolare should be 

 kept distinct from R. Hndson'mnum. The most striking differ- 

 ence that distinguishes it is the very long erect raceme with very 

 short pedicels. The following specimens, at least, should be trans- 

 ferred from R. Htidsoiiiauum to the present species : 



Montana: Deer Lodge, 1888, /". W. Z/'^/Z/^^^^?;/; Spanish Basin, 

 i^g6, Rlodman, ^jy ; Missoula, 1898, Williams d- Griffith. 



On page 208, before Rubus strigosus, insert : 



* Rubus Americanus (Pers.) Britton, Mem. Torr. Bot. Club, 5: 185 



[111. Fl. 2 : 201] ; Riibus saxatilis Aniericaiiiis Pers. S3'n. 2 : 52 : 

 R. trijloriis Richards. Frankl. Journ. Ed. 2, App. 19. 

 A slender trailing or ascending unarmed plant, with pedately 3- 

 foliolate, seldom 5-foliolate, sparingly pubescent leaves, erect white 



