Lobelia dielsiana E. Wimm.

Lobelia dielsiana F. E. Wimmer, Repert. Sp. Nov 22: 194. 1926.
Stem erect, unbranched, up to 2 mm. in diameter at base, 30-40 cm. high or more, glabrous, slightly winged on the angles; cauline leaves fcw-25, more or less appres.sed, linear-filiform, avcrraging 0.5 mm. wide, 20-35 mm. long, glabrous except for a few sharp hairs on the upper surface, entire or with minute glandular teeth; radical leaves 3-7, ovate or elliptic, obtuse, up to 1 cm. wide and 3 cm. long, narrowed into margined petioles, the margins sharply and irregularly serrate; inflorescence a loose raceme, 12-20 cm. long, about 10-35-flowercd; pedicels slender, flexuous, loosely spreading, 8-IS (25) mm. long in fruit, smooth and glabrous, slightly winged on the two edges; bracteoles none; flower-bracts linear-filiform, indistinguishable from the foliage leaves and grading into them; ovary in flower essentially superior, about 4 mm. long; flower 16-20 mm. long, including hypanthium; corolla blue, glabrous without, the base of lower lip with two prominent tubercles and dense pubescence within, the tube (6.5) 7-7.5 mm. long, entire except for the dorsal fissure, which extends to a point 2-2.5 mm. from the base, the lobes of lower lip narrowly elliptic, 2.2 mm. wide by 6 mm. long, hairy on upper (inner) surface, the two upper lobes strongly falcate-recurved, about 1.5 mm. wide by 7.5 mm. long; (ilaraent-tube 4.5-5 mm. long, the filaments ciliate below, united about half their length, adherent to the corolla-tube for about 2 mm. ; anther-tube 2. 1 mm. long, the two smaller anthers white tufted at tip, the three larger copiously pilose; hypanthium in anthesis saucer-shaped, very short (about 0.7 mm.), glabrous, about 2 mm. across, in fruit obconic, 1.5-2 mm. high; capsule ellipsoid, about 2.5 mm. in diameter, 7 mm. long, about three-fourths superior; calyxlobes filiform-subulate, about 8 mm. long, entire, ciliate near tip or glabrous, often purple; seeds ellipsoid, pale brown, smooth but not polished, about 0.8 mm. long.
Type ixiCamty: "Sierra Madre, sol granitique, 1700 m." (Guerrero), Langlasse 852 (Lsotype, biSTRreuTiON: Pine forests, mountains of Guerrero, at altitudes of 2000 m. or less.