ORDER XC. SCROPHTTLARIACE.E. 461 



cles shorter thnn the leaves. Calyx with minute teeth. Corolla pubes- 

 cent, ventricose, with the segments ciliate, with the tube nearly white. — 

 Purple. 0. Aug. — Oct. Dry sandy soils. Common in middle Geo. 

 6. G. linifo'lia, (Nutt.) Stem erect, slender, with erect, virgate 

 branches. Leaves linear, appressed to the stem. Flowers on peduncles 

 shorter than the leaves, which become elongated. Calyx truncate, with 

 5 minute teeth. — Purple. 2£. Aug. — Sept. Damp pine-barrens. 



Genus XVII.— DAS YSTO'MA. (Gcrardia.) 



Cahjx campanulate, 5-cleft. Tube of the corolla elongated, 

 large; limb spreading, 5-lobed ; lobes entire. Stamens 4, in- 

 cluded, didynamous. Capsule ovate, acute. Seeds numerous. 



1. D. pubes'cens, (Beuth.) (Gerardia Jlava, L.) Stem pubescent, 

 sparingly branched, or simple pubescent. Lower leaves lanceolate, 

 sometimes deeply serrate, on short petioles ; upper ones entire, or 

 slightly dentate. Flowers axillary, opposite, on very short peduncles. 

 Calyx with subulate segments. — Yellow. If. July — Sept. Upper 

 disk Car. and Geo. 2 — 3 feet. 



2. D. quercifo'lia, (Benth.) (G. qucrci folia, Pursh.) Stem erect, 

 branching, obtusely angled, purple. Upper leaves lanceolate, sca- 

 brous; lower leaves pinnatirid, with acute, toothed segments. Flowers 

 axillary, on short peduncles. Calyx pubescent. Corolla pubescent on 

 the inner surface, ventricose. Anthers hairy. — Yellow. U- Alay — 

 Sept. Rich soils. Common. 



3. D. fedicula'ria, (Benth.) (G. pedicularia, L) Stem erect, branch- 

 ing from the base, purple, viscid, densely pubescent. Leaves oblong, 

 sessile, irregularly dissected, serrate. Flowers axillary, on short pe- 

 duncles ; segments of the calyx foliaceous. Corolla villous. — Yellow. 

 ©. July — Sept. Pine-barrens. Common. 



4. D. pectina'ta, (Benth.) Very hirsute. Leaves lanceolate, pecti- 

 nate, pinnatirid ; lobes dentate or incised ; lower ones opposite. Calyx 

 with the lobes longer than the tube, often dentate. Corolla 3 times 

 as long as the calyx. — Yellow. if. 



Genus XVIII.— EUCHRO'MA. Nutt. 13—2. (Castilleja.) 

 (From eu, well or beautiful, and chroma, color.) 



Calyx tubular, 2 — 4-cleft, ventricose. Corolla bilabiate, with 

 the upper lip very long, inclosing the stamens ; lower lip trilid, 

 short. Stamens 4. Capsule compressed, 2-celled, many-seeded. 



1. E. coccin'ea, (Spren.) Stem pubescent. Radical leaves lanceolate, 

 entire, hairy; cauline ones pubescent, divided into 3 linear segments. 

 Flowers in a terminal spike. Bracts large, red. — Yellowish. © or $ . 

 June — Aug. Common. 12—18 inches. 



2. E. grandifi.o'ra. (Nutt.) Leaves mostly trifid : segments divari- 

 cate. Calyx 4-cleft, oblique. Corolla longer than the calyx. Floiccrs 

 in many-flowered spikes, pubescent, long; segments of the lower lip 

 linear-lanceolate, acuminate, shorter than the upper, plaited. Capsule 

 ovate, acute. — Greenish- white. 



Genus XIX.— SCHWAL'BEA. L. 13—2. 

 (In honor of C. Schwalba, a German botanist.) 



Calyx tubular, ventricose, obliquely 4-cleft, upper segment 



