212 , LOBELIACE^. 



cordate, crenate-dentate, clasping ; flowers solitary or glomerate in the axils 

 of the leaves. Campanula perfoliala Linn. C. amplexicaulis Mich. 



Fields. Can. to Car. W to Miss. May— July. ®.—.S7em 9— 18 inches high, 

 (sometimes 2 — 3 feet,) mostly simple. Leaves about three-fourths of an inch 

 long, and sometimes broader than long, closely embracing the stem, but never 

 perfoUate. Flowers small, purple, sessile, 1 — 4 in the axil of each leaf. 



Clasping Bell-flower. 



Order LXXI. LOBELIACE^.— Lobeliads. 



Calyx 5-lobed or entire. Corolla irregular, 5-lobed or 5-cleft. 

 Stamens 5 ; anthers cohering. Stigma fringed. Fruit capsular, 

 1 or more celled, many-seeded, dehiscing at the apex ; embryo 

 in the axis of the albumen. — Herbaceous plants or shrubs, often 

 with milky juice. Leaves alternate, without stipules. Flowers 

 axillary or terminal. 



LOBELIA, i^m?^.— Lobelia. 



(In honor oil^flalthias de Lobel; a Flemish botanist.") 



Calyx 5-lobed. Corolla irregular, cleft on the upper side, 



2 -lipped ; lower lip 3 -cleft. The two lower anthers, rarely all, 



bearded at the summit. Capsule inferior or semisuperior, 2 or 



3-celled, opening at the summit. 



1. L. Dortmanna Linn.: stem erect, simple, nearly naked; radical 

 leaves in a cluster, terete, fleshy, 2-celled ; cauUrie few and minute ; flow- 

 ers few, in a terminal raceme, remote, pedicellate, nodding. 



Ponds and swamps. Hudson's Bay to Geor. July — Sept. %. — Stem scape- 

 like, 9 — 18 inches high. Radical leaves growing in a single tuft, consisting of 

 two empty united tubes, obtuse, spreading and recurved. Flowers 3 — 4, very 

 remote, pale-blue. Water Gladiole. 



2. L. paludosa Nutt. : stem erect, angular, smooth, nearly simple and 

 naked ; leaves smooth, flat, fleshy, remotely crenulate ; radical crowded, 

 linear-oblong, obtuse; cauline remote, erect, linear; flowers few, in a 

 spiked raceme, remote ; corolla six times as long as the lobes of the calyx, 

 with the lower lip hairy, 



Sphagnous swamps. Del. to Geor. '21-. — Stems or scapes several from the 

 same root, 2 feet in length, fistulous, sometimes a little branched. Radicalleaves 

 in a large cluster, 4 — 12 inches long. Flowers small, pale-blue, subtended by 

 minute bracts often nearly 2 inches apart. Resembles the pfeceding, but prob- 

 ably distinct. Marsh Lobelia. 



3. L. Kalmii Linn. : smooth ; stem mostly branched ; leaves remotely 

 toothed ; radical oblong-spatulate ; cauline linear ; racemes terminal, loose, 

 few-flowered, leafy ; pedicels longer than the fruit, with 2 minute bracteoles 

 near the flower. 



Wet places. Can. to N. Y. July, Aug. @. — Stem 8— 18 inches high, slen- 

 der, erect or assurgent. Flowers blue, on slender pedicels which are from 6—12 

 lines long. Kalm's Lobelia. 



4. L. NiUtaUii R. tf* (S. : stem erect, minutely scabrous, simple or with 



