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 2. Pyrola (p. 487). 



Flowers solitary 3. Moneses (p. 488). 



1. CHIMAPHILA Pursh. Pipsissewa. 



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 umbeUata (L.) Nutt. Gen. PI. 1: 274. 1818. 



PyroJa umbeUata L. Sp. PI. 396. 1753. 



Type locality: "Habitat in Europae, Asiae et Americae septentrionalis sylvis." 



Range: British America to Georgia and Mexico; also in Europe and Asia. 



New Mexico: Elizabeth town ; 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 purpUsh, 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 1. P. secunda. 



Style and stamens declined. 



Leaves mottled 2. P. p\cta. 



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 4. P. chlorantha. 



Leaf blades oval or obovate, thin, longer than the peti- 

 oles 5. P. elliptica. 



1. Pyrola secunda L. Sp. PI. 396. 1753. 



Type locality: "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. Pyi-ola picta J. E. Smith, Rees's Cycl. 29: no. 8. 1814. 

 Type locality: "Found on the west coast of North America." 

 Range: British Columbia and Wyoming to CaUfornia and New Mexico. 



New Mexico: Harveys Upper Ranch; Mogollon Mountains. Deep woods, in the 

 Canadian and Hudsonian zones. 



3. Pyi'ola asarifoHa Michx. Fl. Bor. Amer. 1: 251. 1803. 

 Pyrola rotundifolia asarifolia Hook. Fl. Bor. Amer. 2: 46. 1834. 

 Type locality: Not stated. 



Range : British America to New Mexico, Minnesota, and Massachusetts. 

 New Mexico: Santa Fe aid Las Vegas mountains. Cold woods, in the Canadian 

 and Hudsonian zones. 



