376 Karl M. Wiegand and Arthur J. Eames 



N. S., cent. Me., and w. Que., to Man., southw. to Fla., Miss., Kans., Colo., and 

 northern Mex., including the Atlantic Coastal Plain. 



This species occurs in two color forms, pale yellow and purple, but without 

 other points of difference. 



2. P. lanceolata Michx. 



Open springy places, in gravelly soils ; rare. Aug. 20-Sept. 20. 



Springy places on hill s. side of Coy Glen; e. of the clock factory, Ithaca 

 (£).); springy place along Fall Creek w. of Dryden-Ithaca town line; small 

 marsh w. of Pleasant Grove Cemetery (D.) ; near railroad n. of Salmon Creek 



Mass. to Out. and Man., southw. to N. C, Ohio, and Nebr., including the 

 Coastal Plain. 



In the Cayuga Lake Basin this species occurs always in calcareous or even 

 marly soil. 



14. Melampyrum (Tourn.) L. 

 1. M. lineare Lam. (M. americanum of Cayuga Fl.) Cow Wheat. 



Dry woodlands, in sandy or gravelly noncalcareous soils ; common. June-July. 



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

 and in the sandy districts n. of the lake ; rare or absent in the McLean region and in 

 the clays and richer soils back from the lake shores. 



Newf. to B. C, southw. to Ga., Tenn., and Iowa; common on the Atlantic Coastal 

 Plain. 



113. OROBANCHACEAE (Broom Rape Family) 



a. Lower flowers fertile, cleistogamous, with minute corollas ; upper flowers sterile, 



with long tubular curved corollas; plant branched above. 1. Epifagus 



a. Lower and upper flowers alike ; plant unbranched above the base. 



b. Calyx spathe-like, deeply cleft in front; plant thick, cone-like; flowers sub- 

 sessile; stamens slightly exserted. 2. Conopholis 

 b. Calyx regularly 4-5-cleft; plant not cone-like; flowers long-peduncled ; stamens 

 included. 3. Orobanche 



1. Epifagus Nutt. 

 1. E. virginiana (L.) Bart. Beechdrops. 



Gravelly soils in beech woods, where it is parasitic on the roots of beech; frequent. 

 Sept.-Oct. 



In scattered stations where beech occurs : common in the beech woods of Six Mile 

 Creek and in the beech forests of the McLean district. 



N. B. and Ont. to Wis., southw. to Fla., Miss., and La. ; infrequent or rare on the 

 Coastal Plain. 



2. Conopholis Wallr. 

 1. C. americana (L. f.) Wallr. Cancer-root. Squawroot. 



Dry or damp woodlands of oak and chestnut, mostly in sandy, gravelly, or stony, 

 noncalcareous soils ; apparently parasitic on the roots of oak and chestnut ; scarce. 

 June-July. 



On the hills w., s., and e. of Ithaca, and on the clays and richer soils back from 

 the lake where oak occurs : border of Summit Marsh ; upper Coy Glen ; s. w. corner 

 of Cayuga Lake; Fall Creek, e. of Forest Home; n. e. of Hanshaw Corners; 

 Turkey Hill ; Ringwood. Absent in the McLean region. 



S. Me. to Mich., southw. to Fla. and Tenn. ; rare on the Coastal Plain. 



