Melampyrum 



SCROPHULARIACEAE 



857 



Jan. 



Feb. 



Mar. 



Apr. 



May 



June 



July 



Aug 



Sept. 



Oct. 



Nov. 



Dec. 



Miles 



50 



Map 1871 

 Melampyrum lineare 

 var. pectinatum Pennel I 



""30 



Map 1872 



Pediculans canadensis L. 



in Lake County; elsewhere it is rare or extinct. Red is the common color 

 form, and yellow is infrequent. 



N. H. to Man., southw. to Fla. and La. 



7635. MELAMPYRUM [Bauhin] L. 



[Key from Pennell's Monograph.] 



Upper bracts slightly or moderately fimbriate-dentate near base, the teeth shorter than 

 the width of the blade; capsule acute to slightly attenuate, only slightly decurved; 

 seed 3-4 mm long, black to blackish. 

 Main stem leaves linear-lanceolate to nearly ovate; corolla 9-13 mm long; bracts 



very variable in amount of fimbriation 1. M. lineare var. latifolium. 



Main stem leaves linear or lanceolate-linear; corolla 6-9 mm long; bracts only slightly 



fimbriate. (See excluded species no. 571, p. 1090) M. lineare var. typicum. 



Upper bracts usually conspicuously fimbriate-dentate near base, with teeth frequently 

 as long as the width of the blade; capsule acuminate-attenuate, more strongly 



decurved; seed 2-3 mm long, brown or dark brown, more rarely blackish 



la. M. lineare var. pectinatum. 



1. Melampyrum lineare Lam. var. latifolium (Muhl.) Beauv. Map 1870. 

 The two varieties of Melampyrum are very rare in Indiana. This one 

 is the more frequent and is found in moist, slightly acid soil, usually 

 at the bases of slopes and often associated with Polygaki cruciata, Aureo- 

 laria pedicularia var. ambigens, and Aletris farinosa. 



N. S. to Minn., southw. to Ga. 



la. Melampyrum lineare var. pectinatum Pennell. Map 1871. This 

 variety has been found only in moist, acid soil about Lake Michigan. 

 Mass. to Va. and nw. Ind. 



7648. PEDICULARIS [Bauhin] L. 



Plants flowering mostly in May, of a dry habitat, rarely found elsewhere; stems, at 

 least the upper part, hirsute or pubescent; leaves pinnately lobed; capsules 

 lanceolate, three times as long as the calyx 1. P. canadensis. 



