LX VIII. SCROPHULARIACEiE 
351 
Calyx bell-shaped, 5-lobed or 5-toothed. Corolla 2-lipped, in. 
long ; tube short ; upper lip erect, 2-lobed ; lower much larger, 
spreading, 3-lobed, with 2 prominent, glandular ridges at the base. 
Stamens 4, in unequal pairs, included. Stigma flat, 2-lobed. 
Capsule globose. 
Calyx lobed half-way down. Runners none . . . 1. M. rugosus. 
Calyx shortly toothed. Runners long, leafy . . .2. M. surculosus. 
1. Mazus rugosus, Lour. ; FI. Br. Ind. iv. 259. Stems tufted. 
Runners none. Radical leaves oblong or obovate, 1-3 in., narrowed 
to a stalk-like base, coarsely, irregularly toothed. Stem-leaves 
spathulate, |-1^ in. Flowers pale blue or white, streaked with 
blue, upper lip darker. Calyx lobed half-way down. (Fig. 110.) 
Simla, common ; May-October. — -N. India, ascending to 7000 ft. — Tropical 
Asia. 
2. Mazus surculosus, Don ; FI. Br. Ind. iv. 260. Stems often 
tufted. Runners several, long, leafy, rooting at the joints. 
Radical leaves broadly obovate, 1-3 in., narrowed to a stalk-like 
base, coarsely and irregularly toothed, often pinnatifid near the 
base. Stem-leaves similar but smaller. Flowers pale blue or 
white. Calyx shortly 5-toothed. 
Simla, the Glen ; May-October. — Temperate Himalaya, 3000-7000 ft. 
8. LINDENBERGIA. In honour of J. B. Lindenberg, a 
German botanical author of the nineteenth century. — Asia, Africa. 
Perennial or annual herbs. Leaves opposite, stalked, toothed. 
Flowers nearly sessile, yellow, usually forming spikes or racemes. 
Calyx bell-shaped, 5-lobed. Corolla 2-lipped ; tube cylindric, 
short ; upper lip recurved, 2-lobed ; lower much larger, spread- 
ing, 3-lobed, with 2 prominent folds at the base. Stamens 4, in 
unequal pairs, included ; anthers 2-celled, cells separated from 
one another. Ovary hairy ; style slender, stigma 2-lobed. Capsule 
ovoid. 
L. grandiflora, Benth. ; FI. Br. Ind. iv. 261, is common in the E. Himalaya, 
extending to Kumaon ; it is a softly hairy, half climbing, rambling herb, bearing 
numerous, bright yellow flowers 1 in. long. 
Stems 2-3 ft. Flowers crowded in 1 -sided spikes . . I. L. macrostachya. 
Stems 4-12 in. Flowers axillary, solitary or in small 
clusters . . . . , . . . 2. L. urticcefolia. 
1. Lindenbergia macrostachya, Benth. ; FI. Br. Ind. iv. 262. 
Glabrous or nearly so ; stems robust, erect, 2-3 ft. Leaves, 
ovate or oblong-lanceolate, l-3xj-l in., long-pointed. Flowers 
| in. long, crowded in terminal or axillary, 1 -sided, rigid spikes. 
Sutlej valley, Suni ; April. — X. India, ascending to 4000 ft. — Siam, China. 
