Rhodora [Januart 



Style longer than the capsule. Filaments 

 equaling or exceeding the corolla. 

 Calyx-lobes unequal, the anterior longer. 

 Leaf-blades entire. 

 Leaf-blades oblong-elliptic, hirsute-pubes- 

 cent, acute. Sepals five, the pos- 

 terior much the smallest, the others 

 slightly unequal. Capsule scarcely 



notched. Corolla 5 mm. long 4. V. Copclandii. 



Leaf-blades elliptic-oval, glabrous or gla- 

 brate, obtuse to acutish. Sepals four, 

 decidedly unequal. Capsule strongly 



notched. Corolla 5-7 mm. long 5. V.Cusickii. 



Style shorter than or nearly as long as the 

 capsule. Filaments shorter than the cor- 

 olla. Calyx-lobes of uniform length. 

 Leaf-blades, at least the lower, crenate 

 to serrate. 

 Capsule rounded or acutish, not notched. 

 Style nearly as long as the capsule. 

 Sepals canescent, not ciliate, nearly 

 equaling the capsule. Corolla twice 

 as long as the sepals. Stem-leaves 

 elliptic-oblanceolate. Plant 1 dm. 

 tall or less, the inflorescence minutely 



pubescent 6. V.fruticans. 



Capsule slightly notched. Style less than 

 half the length of the capsule. Sepals 

 conspicuously ciliate, one-half to two- 

 thirds the length of the capsule. Cor- 

 olla less than twice as long as the se- 

 pals. Stem-leaves elliptic to ovate. 

 Plants mostly 1-3 dm. tall, the inflor- 

 escence hirsute-pubescent. 

 Capsule glabrous. Sepals glabrous on 

 back, ciliate on margins with non- 

 glandular hairs. Plant usually 1-2 



dm. tall 7. V. alpina. 



Capsule pubescent. Sepals usually pi- 

 lose on back as well as margins. 

 Leaf-blades serrate, the largest nearly 

 cordate at base. Capsule and 

 sepals with hairs which have at- 

 tenuate non-glandular tips, the 

 sepals less pilose or glabrous on 

 back. Plant usually 1-1.5 dm. 

 tall, with pedicels becoming 8-11 



mm. long 8. V. Slelleri. 



Leaf-blades crenate-serrate to nearly 

 entire, rounded at base. Capsule 

 and sepals with hairs which have 

 rounded glandular tips, the sepals 

 densely pilose on back. Plant 

 usually 1.5-3 dm. tall, with pedi- 

 cels 2-5(-10) mm. long. 

 Corolla mostly 6-7 mm. long. Ped- 

 icels mostly 5-10 mm. long. 

 Leaf-blades mostly ovate, fre- 

 quently serrate .... 9a. V. Wormsljoldii nutans. 



