PYROLACEAE 485 



i. Pyrola [Tourn.] L. 



Style and stamens declined (slightly so in No. 4). 

 Petals very obtuse; leaves rounded at the apex. 



Calyx lobes oblong or lanceolate; leaves shining. 

 Calyx lobes ovate or triangular, short; leaves dull. 



Blades orbicular, coriaceous, mostly shorter than the 



petioles. 

 Blades oval, membranous, longer than the petioles. 

 Petals and leaves acute, the latter small. 

 Style straight; stamens connivent. 



1. P. americana Sweet. (P. rotundifolia of Amer. authors, not 



of L.). In dry woods: N. S. to S. Dak., Ga. and Ohio. 

 Also in Europe. 



Frequent throughout the range, less so in the region of the N.J. 

 pine-barrens than elsewhere. 



2. P. chlorantha Sweet. In dry woods: Lab. to Brit. Col., 



D. C, 111., Neb. and Col. Also in Europe. 



Conn. Rare near the coast, increasing northwestward. 



N. Y. Near Riverhead, L. I.,* otherwise not known from the 



island, or from S. I. Rare and local from the Highlands of the 



Hudson northward. 

 N. J. Rare and local in Monmouth, Burlington and Camden 



counties, thence increasing northward up the Delaware Valley; 



at Closter, Bergen Co.; not in the pine-barrens. 

 Pa. Pike, Luzerne, Monroe, Bucks, Berks, and Delaware 



counties. 



Tertiary, o: Cretaceous, rare: Older Formations, increasing 

 northward. 118-189 days. Sea level-4,050 ft. 



3. P. elliptica Nutt. In rich, mostly dry woods: N. S. to B. Col., 



D. C, 111., Mich., and in the Rocky Mts. to N. Mex. 



Throughout the range except in the pine-barrens of N. J., there 

 rare or wanting, not very common on the region surrounding the 

 barrens. 



4. P. oxypetala Austin. Hills: Deposit, Delaware Co., N. V. 



Known only from its original collection and not recently 

 seen. 



5. P. secunda L. (P. secunda pumila Payne). In woods and 



thickets: Lab. to Alask., D. C, Neb., along the Rocky Mts. 

 to Mex. and Cal. Also in Europe and Asia. 



* See Introduction paragraph 39. 



