OP ARTS AND SCIENCES. 145 



from near the apex to the base : calyx obloug, rather short, 4-5 lines 

 in length, narrow, teeth purple- tipped : styles in specimens studied 

 3-4, very rarely 5. — S. multicaulis, Macoun, Cat. Canad. PI, 494. 

 S. Macounii, Wats. Proc. Am. Acad. xxvi. 124; Macoun, Bot. Gaz. 

 xvi. 28G. — Washington, Lyall^ lirandegee (655 in part) ; British Co- 

 lumbia, summits of Rocky and Selkirk Mts., Macoun, Dawson. 



Var. macrocalyx. Tall, puberuleut or nearly smooth : leaves 

 narrowly lanceolate or linear, attenuate both ways : calyx long, cylin- 

 drical, 7-8 lines in length. — Humboldt Mts., W. Nevada, Watson ; 

 Mt. Adams, Washington, Suksdorf, Howell. 



Var. viscida. Glandular viscid, especially above : stems erect, 

 rigid, mostly simple from a branched slightly woody base : calyx 

 broadly oblong or almost campanulate, relatively short : leaves nar- 

 rowly lanceolate to linear-oblong, thickish. — British Columbia, at 

 Kicking Horse Pass, Macoun ; Washington, Yakima Region, Bran- 

 degee ; Olympic Mts., Piper. 



Var. brachycalyx. Puberulent, not viscid ; leaves distant, 

 spreading, narrowly oblanceolate, attenuate : calyx short and broad, 

 campanulate. — Oregon, Multnomah Co., 1877, Hoioell ; also by same 

 collector on Sauvie's Island, 1880. 



Var. monantha. Nearly or quite smooth : stems very slender and 

 weak, rising from a spreading much branched base : leaves thin, lan- 

 ceolate or linear-oblong, and grass-like, narrowed both ways : flowers 

 solitary, terminal, or 3-5 loosely cymose : calyx oblong-campanulate, 

 inflated. — S. monantha, Wats. Proc. Am. Acad. x. 340 ; Brew. & 

 Wats. 1. c. i. 63. — Cascade Mts., Washington. Harford Sf Dunn; 

 Webber Lake, Cal., Lemmon ; N. Utah (?), C. C Parry. 



S. scaposa. Finely puberulent, somewhat viscid above : stem 

 erect, subsimple, almost naked, 1-1^ feet high, rather rigid: radical 

 leaves thickish, oblanceolate, acute, 3-nerved, somewhat glaucous, 2-3 

 inches in length, 3-5 lines broad ; cauline leaves reduced to 1 or 2 

 pairs of distant bracts : inflorescence a narrow rigid panicle : flowers 

 small, erect : calyx oblong or elliptic in outline, with simple green 

 nerves : petals white, scarcely exceeding the calyx ; the blade short, 

 retuse ; the claw with somewhat saccate auricles ; appendages short 

 obtuse: ovary shortly stiped. — Oregon, Blue Mts., R. D. Nevius, 

 1874; Cold Camp (355) and Currant Creek, Thos. Howell, 1885, May. 



= = = = = Inflorescence denser, subspicate, or forming an elongated thyrse: 

 styles included or moderately exserted. 



S. Hallii, Wats. Stems several, from a stout root, simple, densely 

 glandular-pubescent, 6 inches to 1^ feet high : leaves oblanceolate, 



VOL. XXVIII. (n. S. XX.) 10 



