532 Ordeb 86.— SCROPHULARIACK<E. 



2 C. sessilifldra Ph. Pilose-pubescent ; lvs. sessile, clasping, oblong-linear, 

 mostly trijvl with the lobes divaricate ; cal. sessile, elongated ; spikes dense ; cor. 

 long, exserted, arched, segments of tho lower lip acuminate. — ~1{ Prairies, "Wis. 

 (Lapham) and westward. Stem 8 — 14' high, several from the samo root, simple; 

 leaty. Leaves grayish, 2 — 2}' long. Flowers crowded. Corolla tube slender, 

 2 — 3' in length, greenish-white, with a slight tingo of purple. Stylo and stamens 

 enfolded by tho upper lip, and a iittlu exserted. May. (E. grandiflora Nutt.) 



3 C. septentrionalis Lindl. I/as. linear, undivided, tho upper lanceolate, tho 

 floral subovate, subdentatc at tho end. all 3-veined; cal. with acuto teeth, shorter 

 than tho corolla. — If A hardy inhabitant of Alpine and high northern regions, 

 Whito Alts., N. II. to Hudson's Bay. St. a foot high, simple. Lvs. sessile, 

 emoothish, becoming lanceolate towards tho upper part of tho stem, and near 2' 

 long. Tuft of Ms. at top of the stem. Bracts broader and shorter than tho leaves, 

 5 to 7 -veined, of a pale straw color tipped witli purple. Pis. straw-colored, nearly 

 concealed by the bracts. Aug. (Bartsia pallida Ph.) 



3!. SCHWAL'BEA.L. Chaff-seed. (In honor of Schwalbe, a German 

 botanist.) Calyx tube 10-ribbcd, inflated, obliquely 4-cIeft, upper divi- 

 sion small, lower largo, cmarginato or 2-toothed ; corolla ringent, upper 

 lip entire, arched, lower 3-lobed ; capsule oblong; seeds many, chaffy. — 

 21 With alternate leaves and flowers in a terminal spike. 



S. Americana L. In snndy barrens and marshes, N. Y. to Fla. and La. Stem 1 — 

 2f high, pubescent, stout, simple. Leaves sessile, ovate-lanceolate or oblong, 

 3-veined, 1' to 20" long - , with a ciliato margin. Bracts ovate, acuminate, dimin- 

 ishing' upwards. Flowers on simple, alternate, very short pedicels, in a long 

 spike. Corolla dull purple or brownish-yellow, twice a3 long (1 — IJ'J aa the per- 

 manent, strongly-ribbed calyx. Jn. 



32. PEDICULA'RIS, L. Lousewort. (Lat. p<?a?ira^s, a louse ; prob- 

 ably from its efficacy in destroying that insect.) Calyx ventricous, 2 to 

 5-clcft, the segments leafy, or sometimes obliquely truncate ; corolla 

 vaulted, upper lip compressed, cmarginate ; lower lip spreading, 3-lobed ; 

 capsule 2-celled, oblique, mucronatc ; seeds angular. — Herbs. Lvs, 

 alternate, rarely subopposite, often pinnatifid. Fls. spicate. 



1 P. Canadensis L. Hirsute; st. simple; lvs. alternate, pctiolate, lance-oblong-, 

 pinnatifid, lobes oblong-ovate, crenate-dentato ; spiko short, dense, leafy; cal. 

 truncate downwards; cor. galea abruptly incurved, ivith 2 setaceous teeth; caps. 

 ending in a ■prolonged ensiform beak. — U Pastures and low grounds, U. S. and 

 Can. St. erect, If high. Lvs. 3 to 6' by 1 to 2', chiefly radical. Spike short, 

 hairy, with a few small leaves at the base. Cor. yellowish and pm-ple, tho upper 

 lip long, erect, forming a galea or beln et, cut square oti* at the end, with a bristle- 

 like tooth at each corner. Beak of the capsule often near 1' in length. May — 

 Jl. (P. gladiata Mx.) 



2 P. lanceolata Mx. Nearly glabrous; si. branclied; lvs. subopposite, briefly 

 petiolate or sessile, oblong-lanceolate, doubly incised cremate ; spike rather dense ; 

 cal. 2-lobed; cor. galea as long as the lip, incurved over it and closing the throat; 

 caps, short, ovoid. — 2f. In alluvial woods, N. Y. to Wis. (Lapham), S. to Va. St. 

 1 to 2f high, smooth, witli pubescent lines, nearly opposite lvs* and ?, few axillary 

 branches. Lvs. 3 to 5' by 1 to \\'. Spiko 1 to 3' in length, with ovate-lanceolate 

 bracts. Cal. and cor. smooth, the latter greenish yellow, 1' long. Style a littlo 

 exserted. Sept. (P. pallida Ph.) 



33. RHINANTHUS, L. Yellow Rattle. (Gr. ptv, nose, avdog ; 

 alluding to the singular appearance of the compressed galea.) Calyx 

 4-toothcd, ventricous; corolla tube cylindrical, as long as tho calyx, 

 limb ringent, galea appendaged, compressed, lip broader, deeply divided 

 into 3 obtuse segments ; capsule 2-valvcd, compressed, obtuse. — CD Erect, 

 with opposite lvs. 



