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 pair^, 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, 6-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 SO, 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. phlomoidea- 



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 6, 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. pi. S6S.) 



In open wet grass lands, fl. Nov.-Apr.; y^idely distributed in the Phil- 

 ippines. Tropical Asia, Malaya, and Australia. 



2. H. phiomoides (Wall.) Nees var. roxburghii C. B. Clarke. 



A decumbent or spreading, hairy,' more or less branched plant, 20 to 

 60 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 

 2 cm 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 6-fid, the 

 teeth very narrow. Corolla tubular, enlarged and ventricose above,' the 

 limb somewhat oblique, lobes subequal. Stamens 4, in 2 pairs. ' Ovary gla- 



