102 
Diphylleia cymosa, Michx. Slopes of White Top Mt., alt. 3,000- 
5,000 ft. In full bloom May 28th, along the swampy borders 
of streams and around springs, where it was very abundant. 
won diphylla (L.) Pers. Hungry’s Mother Creek, alt. 2,300 
t Along Middle Fork of the Holston River, alt. 2,100— 
e ft. In fruit June 10th. Plants 20-35 cm. high. 
Podophyllum peltatum, L. Staley Creek, alt. 2,100 ft. Also com- 
mon in fields and along woods elsewhere in the county. 
Sanguinaria Canadensis, L. Banks of the Middle Fork of the 
Holston, alt, 2,100 ft. Woods in Hungry Hollow, alt. 2,300 
ft. Mountains east of Buchanan, alt. 1,300 ft. 
Bicuculla Canadensis, (Goldie) Millsp. Slopes of White Top Mt., 
alt. 4,500 ft. 
Bicuculla Cucullaria (L.) Millsp. Slopes of White Top Mt, alt. 
4,500 ft. 
Bicuculla eximia (Ker) Millsp. Laurel Creek, in the North Fork. 
of the Holston River Valley, alt. 2,200 ft. 
Capnoides sempervirens (L.) Borckh. Dickey Creek, alt. 2,700 ft. 
Farmer Mt., New River, alt. 2,200 ft. 
Roripa Nasturtium (L.) Rusby.* (Sisymörium Nasturtium, Ls; 
Nasturtium officinale, R. Br.) Staley Creek, 2,100 ft., and 
common elsewhere in the region in brooks and swamps. 
Arabis Canadensis, L. Shannon Gap, Walker Mt. alt. 3,000 ft. 
Dickey Creek, Iron Mts., alt. 2,900 ft. Spur of Pine Mt., alt. 
3,000 ft. 
Arabis levigata (Muhl.) Poir. River bluffs, Marion, alt. 2,100 ft. 
Slopes of Mt. Rogers, alt. 4,000-5,719 ft. Slopes of White 
Top Mt., alt. 4,000 ft. Buchanan, alt. 1,100 ft. 
Arabis lyrata, L. Laurel Creek in the North Fork of the Holston 
River Valley, alt. 2,200 ft. 
Cardamine bulbosa (Schreb.) B.S.P. Staley Creek, alt. 2,100 ft. 
* Mem. Torr. Club, iii., Part 3, 5 (1893). The generic name Roripa, Scop. Fl. 
Carn. 520 (1760), Adamson, Fam. Pl. ii. 417 (1763), must clearly M sera Nas- 
turtium, R. Br. 
