332 Karl M. Wiegand and Arthur J. Eames 



1. P. secunda L. Secund Shinleaf. 



Dry or damp woods and slopes, often under evergreens, in sandy or gravelly, 

 somewhat acid, soils ; frequent. June 25-July 15. 



Connecticut Hill; Key Hill; Enfield Glen; Coy Glen; Caroline hills; Six Mile 

 Creek ; Turkey Hill ; Ringwood ; Mud Creek, Freeville ; absent on the clays and 

 richer soils. 



Lab. to Alaska, southw. to Md., Mich., Nebr., and Calif. ; apparently rare on the 

 Atlantic Coastal Plain. Found also in Eurasia. 



Dudley cites "P. secunda, L., var. pumila, in Paine's Cat., p. 187" as found "in 

 the Fir-Tree swamp at Freeville." A specimen in the C. U. Herbarium collected 

 by Dudley in that swamp on September 15, LS80, and labeled as above, is a small 

 form of P. secunda, and not var. obtusata Turcz. (var. pumila Gray) as (his variety- 

 is now understood. 



2. P. elliptica Nutt. Shinleaf. 



Dry or damp sandy or gravelly woods, in neutral or somewhat acid soils ; fairly 

 common. July 5-25. 



Common on the hills s. and e. of Ithaca, along the shores of Cayuga Lake, and 

 in the sands n. of the lake; less common in the McLean region and in the clays 

 and richer soils on both sides of the lake. 



Newf. to B. C, southw. to D. C, 111., Iowa, and N. Mex. ; infrequent or rare on 

 the Atlantic Coastal Plain. 



Anthers orange in this species, not pale as in P. americana. 



3. P. chlorantha Swartz, var. paucifolia Fernald. (See Rhodora 22; 51. 1920.) 



Shinleaf. 



Under evergreens, in ravines and on damp hummocks around swamps, on non- 

 calcareous gravels and crests; scarce. June 10-July 5. 



Enfield Glen; near Besemer; Cascadilla woods; Fall Creek and elsewhere 

 (D.) ; Ellis Hollow; Ringwood; e. of Turkey Hill; Esty Glen; Wyckoff Swamp. 



N. S. to w. Ont., southw. to n. N. E. and Pa. This variety apparently absent 

 on the Coastal Plain. 



4. P. asarifolia Michx., var. incarnata (Fisch.) Fernald. (P. rotundifolia, var. 



uliginosa, of Cayuga Fl.) Shinleaf. 



Calcareous bogs ; rare. June 15-July 10. 



On the Ontario Plain : Wayne Co. (Sarhvcll, D.) ; tamarack swamp s. e. of 

 Savannah (L. Griscom, P. P. Mctcalf, & A. H. Wright) ; arbor vitae swamp s. w. 

 of Westbury (F. P. Mctcalf, P. A. Mum, & K. M. W.) ; swampy hemlock woods 

 n. of Miller Bog, Spring Lake (Griscom, Metcalf, & Wright). 



Newf. to Alaska, southw. to Vt., cent. N. Y., Wis., Colo., and Calif. Found also 

 in Asia. 



5. P. rotundifolia L., var. americana (Sweet) Fernald. (See Rhodora 22:122. 



1920. P. rotundifolia of Cayuga Fl.) Shinleaf. 



Dry woodlands, in sandy and gravelly neutral or acid soils, usually with chest- 

 nut ; fairly common. July 10-30. 



Frequent on the hills w., s., and e. of Ithaca, along the cliffs of Cayuga Lake, 

 and on the sands n. of the lake; rare or absent in the McLean district and on the 

 clays and richer soils back from the lake shores. 



P. E. I. to S. Dak., southw. to Ga. and Ohio, including the Coastal Plain. 



5. Moneses Salisb. 

 1. M. uniflora (L.) Gray. One-flowered Shinleaf. 



Under evergreens in deep damp woods, in gravelly soil, the lime preference not 

 determined; rare. June 15-30. 



