50 



SCROPHULARIACEiE. 



Pedicularis. 



long, somewhat coriaceous, rather distant, mostly opposite, ihe uppermost sometimes ternate, 

 the base tapering into a short petiole. Calyx nearly smooth. Corolla closed, nearly an inch 

 long, greenish yellow ; the lower lip dilated towards the summit, its lateral segments rounded, 

 the middle one somewhat saccate and carinale : upper lip less galeate than in the preceding 

 species. Capsule scarcely exserted beyond the calyx. 



Swamps; near New-York, and on Long Island and Staten Island. Troy (Prof. Hall); 

 Niagara river (Dr. Knieskern <§• Prof . Dewey) ; near Albany (Dr. L. C. Beck). Fl. August 

 — September. Fr. October. 



17. MELAMPYRUM. Linn. ; Endl. gen. 4018. cow-wheat. 



[From the Greek, mclas, black, and pyros, wheat: the seeds resemble grains of wheat, and are said, when mixed with 



flour, to make the bread black.] 



Calyx tubular-campanulate, not inflated, 4-cleft or 4-toothed. Corolla ringent or personate : 

 upper lip laterally compressed, with the sides reflexed ; the lower almost equally 3-cleft or 

 3-toothed, with two gibbosities. Stamens 4. Capsule ovoid, compressed, somewhat 

 acuminate, 2-celled, loculicidal. Seeds usually two, but sometimes only one, in each cell, 

 cylindrical-oblong, smooth. — Annual herbs, with opposite narrow entire lower leaves; the 

 floral leaves or bracts toothed. Flowers axillary, in a leafy raceme. 



1. Melampyrum Americanum, Michx. American Cow-wheat. 



Leaves lanceolate-linear or ovate-lanceolate , the floral ones with setaceous teeth at the 

 base.— Michx. fl. 2. p. 16 ; Bigel. fl. Bost. p. 242 ; Beck, hot. p. 270 ; Darlingt. fl. Cest. 

 p. 373. M. lineare, Lam. diet. 4. p. 33 ; Pursh, fl. 2. p. 430 ; Ell. sk. 2. p. 133. M. 

 latifolium, Muhl. cat. p. 59 ; Nutt. gen. 2. p. 46. 



Stem 8 -15 inches high, with spreading opposite branches. Leaves more or less lanceo- 

 late, sometimes linear ; the floral ones with several spreading setaceous teeth at the base. 

 Flowers on short pedicels. Segments of the calyx lanceolate-linear. Corolla yellowish- 

 white, with a tinge of purple ; the lower lip yellow inside. Capsule membranaceous, some- 

 what lunate ; the apex pointing downward, opening on the upper edge. Seeds 2 in each cell. 



Dry woods ; common. June - August. Bentham and Hooker consider this plant as 

 identical with M. sylvaticurn of Europe. 



