410 XCI. SCROPHULARIACE^E. PEDICULARIS. 



2. C. SESSILIFLORA. Ph. (Euchroma grandiflora. Nutt.} Great-flowered 

 Painted-cup. Pilose-pubescent; Ivs. sessile, clasping, oblong-linear, mostly 



cuneate-trifid, lobes divaricate ; cat. sessile, elongated ; spikes dense ; cor. long, 

 exserted, arched, segments of the lower lip acuminate. A plant of curious ap- 

 pearance, prairies, Wis., Lapham ! to the plains of the upper Missouri. Stem 

 8 14' high, several from the same root, simple, leafy. Leaves grayish, 2 2' 

 long. Flowers crowded, pubescent. Corolla tube slender, 2 3' in length, 

 greenish-white, with a slight tinge of purple. Style and stamens enfolded by 

 the upper lip, and a little exserted. May. 



3. C. SEPTENTRIONALIS. Lindl. (Bartsia pallida. Ph. not 1 of Linn.} 

 Lvs. alternate, linear, undivided, the upper ones lanceolate, the floral ones 



subovaje, subdentate at the end, all 3-veined ; cal. with acute teeth. 7J. This 

 hardy plant inhabits the alpine regions of the White Mts. in N. H. ! particular- 

 ly the heights of Mt. Clinton, where it may be found in blossom in Aug. It is 

 also a native of Siberia and Hudson's Bay. Stem about a foot high, furrowed, 

 simple. Leaves alternate, sessile, smoothish, the lower ones linear, becoming 

 broader towards the upper part of the stem, where they are lanceolate and all 

 usually with but 3 veins. Tuft of flowers at top of the stem. Bracts broader 

 and shorter than the leaves, 5 7- veined, with about 3 teeth at the end, of a pale 

 straw-color, tipped with purple. Flowers straw-colored, nearly concealed by 

 the bracts. 



26. SCHWALBEA. 



Named by Linnaeus in honor of Schwalbe, a German botanist. 



Calyx tubular, inflated, obliquely 4-cleft, upper division small, 

 lower division large, emarginate or 2-toothed ; corolla ringent, upper 

 lip entire, arched, lower 3-lobed ; seeds many, chaffy. % with al- 

 ternate leaves and flowers in a terminal spike. 



S. AMERICANA. Chaff-seed. 



In sandy barrens and marshes, N. Y. to Flor. Stem 1 2f high, pubes- 

 cent, square, simple. Leaves sessile, ovate-lanceolate or oblong, 3-veined, 

 with a -ciliate margin. Bracts ovate, acuminate, diminishing upwards. Flow- 

 ers on simple, alternate, very short pedicels, in a long spike. Corolla dull 

 purple or brownish-yellow, twice as long (1 1|') as the calyx. Jn. 



27. RHINANTHUS. 



GT. fitv, nose, avSos ; alluding to the singular appearance of the compressed galea. 



Calyx 4-toothed, ventricose : cor. tube cylindrical, as long as the 

 calyx, limb ringent, galea appendaged, compressed, lip broader, 

 deeply divided into 3 obtuse segments ; caps. 2-valved, compressed, 

 obtuse. (D erect , with opposite Ivs. 



R. MINOR. Ehrh. (R. Crista-galli. Linn.) Yellow Rattle. 



Mostly glabrous ; Ivs. oblong or lanceolate ; cor. scarcely a third longer 

 than the calyx ; appendages of^tlie galea transversely ovate, broader than long. 

 (T) Meadows and pastures, Mass., N. Y. to Arc. Am. Stem a foot high, 

 smooth, branching. Leaves opposite, nearly sessile, cordate-lanceolate, acute- 

 ly serrate, rough. Flowers axillary, crowded into a leafy spike. Calyx in- 

 flate*, contracted at the mouth, with 4 nearly equal teeth, and much shorter 

 than the yellow, ringent corolla, but becoming very large after flowering. July. 



28. PEDICULARIS. 



Lat. pediculus, a louse ; probably from its efficacy in destroying that insect. 



Calyx ventricose, 2 5-cleft, the segments leafy, or sometimes ob- 

 liquely truncate ; corolla vaulted, upper lip compressed, emarginate ; 

 lower lip spreading, 3-lobed ; capsule 2-celled, oblique, mucronate ; 

 seeds angular. Herbs. Lvs. alternate, rarely sub-opposite,' often pinna- 

 tiftd. Fls. s&ate. 



