WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 487 
KEY TO THE GENERA. 
Stems leafy; flowers corymbose.............----------++---- 1, CHIMAPHILA (p. 487). 
Stems scapiform, naked; leaves basal; proper stems short; 
flowers not corymbose. 
Flowers racemose.............. cece cece eee eee ee eens 2. Pyrowa (p. 487). 
Flowers solitary. ............2.-22-2-22--2-2--22---+-- 3. Monzsgs (p. 488). 
1. CHIMAPHILA Pursh. Pirsissewa. 
Low perennial herb with thick evergreen shining leaves rather crowded on the 
short suffruticose stems; flowers purplish, fragrant, in a terminal corymb; stamens 10; 
filaments enlarged and hairy at the middle; style short, inversely conical, immersed 
in the depressed summit of the globular ovary; stigma broad, orbicular, 5-crenate. 
1. Chimaphila umbellata (L.) Nutt. Gen. Pl. 1: 274. 1818. 
Pyrola umbellata L. Sp. Pl. 396. 1753. 
Tyrer Locatiry: ‘‘Habitat in Europae, Asiae et Americae septentrionalis sylvis.’’ 
RanGe: British America to Georgia and Mexico; also in Europe and Asia. 
New Mexico: Elizabethtown; Harveys Upper Ranch; Gallinas Planting Station; 
Mogollon Mountains. Deep woods, in the Canadian and Hudsonian zones. 
2. PYROLA L. WINTERGREEN. 
Small perennial evergreen herbs with basal leaves on a short scaly stem arising 
from a slender rhizome; flowers white, greenish, or purplish, in terminal racemes, . 
nodding; stamens 10, the anthers emarginate or 2-beaked at the base; disk usually 
obsolete; ovary 5-valved from the base, the valves with cobwebby margins. 
KEY TO THE SPECIES. 
Style straight; stamens connivent.............-.....22222-22222----- 1. P. secunda. 
Style and stamens declined. 
Leaves mottled...............002022.02.22-2--- wee e eee ee ee ee 2. P. picta. 
Leaves green, not mottled. 
Leaves reniform, cordate; flowers pink.......-..--......-- 3. P. asarifolia. 
Leaves rounded or narrowed at the base; flowers greenish - 
white. 
Leaf blades orbicular, coriaceous, usually shorter than 
the petioles. ......2.....2-.-222---0022--220---2-- 4. P. chlorantha. 
Leaf blades oval or obovate, thin, longer than the peti- 
6) Cs 5. P. elliptica. 
1. Pyrola secunda L. Sp. PI. 396. 1753. 
Tyre Locauiry: ‘‘ Habitat in Europa frigidiore.’’ 
RanGe: British America to California and Virginia; also in Europe and Asia. 
New Mexico: Tunitcha Mountains; Rio Pueblo; Winsor Creek; Harveys Upper 
Ranch; Mogollon Mountains. Deep woods, in the Canadian and Transition zones. 
2. Pyrola picta J. E. Smith, Rees’s Cycl. 29: no. 8. 1814. 
Type Loca.itry: ‘‘Found on the west coast of North America.”’ 
RanGeE: British Columbia and Wyoming to California and New Mexico. 
New Mexico: Harveys Upper Ranch; Mogollon Mountains. Deep woods, in the 
Canadian and Hudsonian zones. 
3. Pyrola asarifolia Michx. Fl. Bor. Amer. 1: 251. 1803. 
Pyrola rotundifolia asarifolia Hook. Fl. Bor. Amer. 2: 46. 1834. 
TYPE Locauity: Not stated. 
Rance: British America to New Mexico, Minnesota, and Massachusetts. 
New Mexico: Santa Fe and Las Vegas mountains. Cold woods, in the Canadian 
and Hudsonian zones. 
