442 A FLORA OF MANILA 
1. L. secunda (Blanco) Nees. 
An erect or spreading, slender, slightly pubescent herb 20 to 40 cm high. 
Leaves 2 to 7 cm long, ovate to ovate-lanceolate, acuminate, in pairs, one 
of each pair long-petioled. Spikes ovoid, dense, solitary or fascicled, 1 cm 
long or less, many-flowered. Bracts and calyx-lobes green, acuminate. 
Corolla pink-purple, about 6 mm long. 
In open dry places, La Loma to San Pedro Macati, fl. Jan—Apr.; of local 
occurrence in the Philippines. Endemic. 
13. HYGROPHILA R. Brown 
Herbs with lanceolate to obovate, entire, opposite leaves, the flowers 
sessile, axillary, fasciculate, the bracts elliptic to lanceolate, the bracteoles 
shorter than the calyx. Calyx tubular, 5-fid. Corolla pale-blue or purplish, 
the tube enlarged above, 2-lipped, straight. Stamens 4, in 2 pairs, the 
posterior ones similar to the others, or shorter, or rudimentary. Ovary 
oblong. Capsule oblong to linear, seed-bearing throughout. Seeds very 
numerous. (Greek “moist” and “to love” in reference to most species 
growing'in swampy places.) 
Species about 30, in most tropical and subtropical countries, 3 or 4 in 
the Philippines. 
Erect, branched, nearly glabrous; leaves mostly oblong to lanceolate. 
1. H. angustifolia 
Spreading, rather densely hairy; leaves obovate to oblong-obovate. 
2. H. phlomoides 
1. H. angustifolia R. Br. 
An erect, rather stout, branched herb 0.5 to 1 m high, glabrous or nearly 
so. Leaves oblong to lanceolate or even somewhat oblong-obovate, 3 to 10 
cm long, margins slightly ciliate. Flowers in rather dense axillary whorls. 
Calyx green, cylindric, 8 mm long, the lobes 5, lanceolate. Corolla pale- 
purplish, 1.5 cm long, inflated upward, 2-lipped. Fertile stamens 4. Cap- 
sules cylindric, glabrous, about 1.5 cm long, 2 mm in diameter, a little 
longer than the accrescent calyx. (Fl. Filip. pl. 363.) 
In open wet grass lands, fl. Nov.Apr.; widely distributed in the Phil- 
ippines. Tropical Asia, Malaya, and Australia. 
2. H. phlomoides (Wall.) Nees var. roxburghii C. B. Clarke. 
A decumbent or spreading, hairy, more or less branched plant, 20 to 
50 cm long, the flowering branches ascending. Leaves obovate to narrowly 
oblong-obovate, 1.5 to 4.5 cm long, obtuse. Flowers axillary, solitary or 
fascicled. Calyx green, about 8 mm long, divided one-third to one-half 
way down into 5, lanceolate, acuminate teeth. Corolla pale-purplish, about 
2cm long. Capsules hairy, oblong-cylindric, 10 to 12 mm long. 
In open damp places, old rice paddies etc., fl. Nov.-March; widely distrib- 
uted in Luzon. India. 
14. RUELLIA Linnaeus 
Herbs with opposite entire leaves. Flowers sessile, axillary, solitary, 
the bracteoles large, longer than the calyx, bracts none. Calyx 5-fid, the 
teeth very narrow. Corolla tubular, enlarged and ventricose above, the 
limb somewhat oblique, lobes subequal. Stamens 4, in 2 pairs. Ovary gla- 
