C. SCROPHULARIACE^E. 
476 
[. Limnophila. 
anther-cells discrete stipitate. Stigma bi-lamellate. Capsule ovoid 
or oblong. Seeds many. Species about 25, Asia and Australia. 
Leaves not pinnatifid ; marsh plants . 
Flowers sessile. 
Robust plant; leaves petioled, 2 to 3 in. long; 
nerves prominent .... 
Robust; leaves sessile, 1 to 2 in. long, pubes¬ 
cent ; nerves prominent 
Slender glabrous plant; leaves under ’5 in. 
long; nerves not conspicuous 
Flowers pedicelled. 
Leaves hairy. 
Robust plant 2*5 ft. tall; flowers in axillary 
cymes ...... 
Stout 6 to 8 in. tall; flowers panicled at top; 
leaves 1 in. long or more 
Dwarf, 4 to 6 in. tall; leaves ’5 in. long; 
corolla violet; flowers solitary axillary. 
Leaves glabrous, opposite. 
Flowers solitary axillary. 
Plant rather robust, many-flowered, flowers 
white ...... 
Dwarf plant much branched, viscid-hairy . 
Dwarf plant glabrous; flowers axillary 
solitary ...... 
Plant slender elongate; flowers few 
Leaves whorled half-amplexicaul; flowers 
racemose ...... 
Leaves, at least lower ones, lobed or multifid; aquatics. 
Flowers solitary sessile ..... 
Flowers forming an interrupted spike, sessile 
Flowers pedicelled, small plant; leaves all multifid 
(1) L. Roxburghii 
{2) L. balsamea 
(3) L. micrantha 
(4) L. villifera 
(5) L. hirsuta 
(6) L. villosa 
(7) L. erecta 
(S) L. viscida 
(9) L. pygmsea 
(10) L. laxa 
(n) L. gratissima 
(12) L. sessiliflora 
(13) L. heterophylla 
(14) L. Griffiths 
(1) L. Roxburghii Don, Gen. Syst. iv. 543; Prain, l.c. 347. 
Stout herb, aromatic, rootstock creeping; stems 1 to 2 ft. tall, 
pubescent or glabrous. Leaves elliptic or ovate blunt crenulate, 
base cuneate; nerves and reticulations hairy, prominent; 1*5 to 
4 in. long, 1 to 2 in. wide; petioles *75 to 1 in. long. Flowers 
sessile in axillary heads. Calyx hairy, -2 in. long, lobes lanceolate. 
Corolla -35 in. long, purplish blue, throat yellow. Capsule *2 in. 
long, elliptic. Hab. Not common, in muddy places. Perak, 
Temengoh; Tapah (Ridley). Lankawi, Kwah (Curtis). Distrib. 
India to China, Philippines. 
(2) L. balsamea Benth. DC. Prodr. x. 386; Prain , l.c. 348. 
A densely hairy herb, stout creeping and ascending, *6 in. to 
2 ft. tall. Leaves sessile elliptic, narrowed to base, crenulate; 
nerves few elevate, 3 to 5 pairs; 1 to 2 in. long, *5 to 1 in. wide. 
Heads of flowers short peduncled. Calyx hairy, -15 in. long, lobes 
lanceolate, finely acuminate. Corolla *35 in. long, blue. Capsule 
•2 in. broad, elliptic. Hab. In wet muddy spots. Perak, Goping 
(Kunstler), rare. Distrib. Indo-China. 
(3) L. micrantha Benth. DC. Prodr. x. 387; Prain, l.c. 348. 
A slender herb rooting below, glabrous, 3 to 7 in. long. Leaves 
