460 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Stigmas discoid; plants perennial, 
woody at the base. 
Hypanthium tube longer than 
the ovary; stigma en- 
tire..............2---- 8. GALPINSIA (p. 465). 
Hypanthium tube — shorter 
than the ovary; stigma 
4-lobed ..........-.-- 9. MERIOLrx (p. 466). 
Stigmas divided into 4 linear lobes. 
Stamens equal; capsules without 
appendages. 
Petals white at first, some- 
times pink-tinged later; 
seeds in 1 row; buds 
drooping...............-. 10. ANoara (p. 467). 
Petals yellow; seeds in 2 or 
more rows; buds usually 
erect. 
Seeds prismatic-angled....11. OkNOTHERA (p. 469). 
Seeds not angled.......... 12. RamMANNIA (p. 470). 
Stamens unequal, the alternate 
ones longer; capsules winged 
or angled. 
Ovules and seeds numerous, 
clustered on slender funi- 
cull; plants with branch- 
ing stems............... 13. HartMannia (p. 470), 
Ovules and seeds few, sessile 
in 1 or 2 rows; plants 
acaulescent, or caules- 
cent. 
Plants caulescent, with 
long wiry stems. ....... 16. GAURELLA (p. 473), 
Plants acaulescent or nearly 
80, with thick stems. 
Capsules distinctly 
double-crested on 
the angles; petals 
white............... 14, Pacuy.opuus (p. 471), 
Capsules winged or sharp- 
ly angled; petals yel- 
low or white........ 15. Lavauxia (p. 472), 
1. CIRCAEA IL. ENcCHANTER’S NIGHTSHADE. 
Low weak glabrous herb with opposite petiolate leaves and small white reddish- 
tinged flowers in racemes; hypanthium slightly prolonged beyond the ovary; sepals, 
petals, and stamens 2; fruit 1 or 2-seeded, indehiscent. 
1. Circaea alpina L. Sp. Pl. 9. 1753. 
Type Locatity: ‘‘Habitat ad radices montium in frigidis Europae.”’ 
RanGE: British America and Washington to New Mexico and Georgia. 
New Mexico: West Fork of the Gila ( Metcalfe 516). Damp woods, in the Canadian 
Zone. 
