282 



PROCEEDINGS OF THE AMERICAN ACADEMY 



long. — Curt. Bot. Mag. t. 747; Andr. Bot. Eep. t. 352; Lodd. Bot. 

 Cab. t. 961; Meehan, Nat. Fl. 1. 33, t. 9. H. latifolia, Michx. 

 N. Jersey to Virginia. 



46. CHAM^LIRIUM, Willd. 



1. C. Carolinianum, Willd. Stem 1 to 4 feet high : lower leaves 

 spatulate-oblanceolate, 2 to 6 inches long, the cauline narrower : ra- 

 ceme often a foot long or more ; the staminate with slender pedicels 

 1 to 3 lines long, the fruiting pedicels stouter and more scattered : 

 capsule 4 to 6 lines long: seed about 3 lines long. — Veratrum luteum, 

 Linn. Helonias pumila, Jacq. Icon. Rar. t. 253. H. lutea, Ait. f. ; 

 Ker, Bot. Mag. t. 1062. Helonias dioica, Pursh ; Gray, Rev. Melanth. 

 132, with syn. Chamcelirium luteum, Gray, Manual, 527. Canada 

 to Georgia, aud west to Nebraska and Arkansas. 



I 



47. TOFIELDIA, Huds. 



* Glabrous ; infloresence centrifugal : pedicels mostly solitary : seeds not 



appendaged. 

 -*- Dwarf, mostly arctic or alpine : raceme short, few-flowered. 



1. T. palustris, Huds. Stem naked and scape-like, 2 to 6 inches 

 high : leaves I to H inches long by about a line broad : raceme subglo- 

 bose or from 6 to 12 lines long in fruit: pedicels minutely involucrate 

 at the very base, a line long in fruit: perianth-segments spatulate, 

 two thirds of a line long, shorter than the round-ovate capsule : seeds 

 oblong, quadrangular, \ line long. — T. borealis, Wahl. Narthecium 

 pusillum, Michx. Lake Superior, Rocky Mountains of British 

 America and to Greenland : Europe. 



2. T. coccinea, Richards. Similar, but the stem (an inch or two 

 high) with usually two leaves : raceme subglobose, with very short 

 pedicels : involucre at the base of the flower : perianth-segments nar- 

 rower, often purplish, nearly equalling the purple capsule : seeds linear, 

 acute at each end, and slightly longer. — Hook. & Arn. Bot. Beechey, 

 130, t. 29 bi8 . Arctic America. 



Var. major, Hook. Taller, with larger and looser raceme (a half- 

 inch long) ; the lower pedicels a line long or more, with nodding cap- 

 sules : seeds a little longer. — On Mackenzie's River. 



-i- -i- Tall, with long many-flowered racemes. 



3. T. glabra, Nutt. Stem 1 to 3 feet high, 2-3-leaved ; raceme 2 to 

 8 inches long : pedicels sometimes in pairs, about equalling the whitish 

 flowers (2 lines long), involucrate near the flower : perianth-segments 



