Hygrophila.} ACANTHACEX. 801 
connate at the base. Carpels connate in a 2-celled, oblong ovary 
with hairy tip; ovules in each cell 4-many, rarely 2; style long, 
hairy; stigma simple, linear. Frwit a linear or narrowly oblong 
capsule, seed-bearing from near the base. Seeds numerous, rarely 
few, ovoid, compressed, elastically hairy; retinacula hardened, 
acute, curved. 
Unarmed ; calyx 5-toothed; seeds usually more than 8 :— 
Flowers in terminal, dense, oblong spikes ; procumbent herbs; leaves 
ovate or oblong :— 
Leaves glabrous or puberulous ; fertile stamens 2; seeds 20 or more 
polysperma. 
Leaves hairy ; stamens 4; anthers of posterior pair half as long as 
those of anterior ; seeds 8-10 Serpyllum 
Flowers in distinct, axillary whorls; herbs with erect stems, or if 
stems procumbent, the branches erect :— 
Leaves glabrous or glabrate, lanceolate or (rarely) obovate, oblong or 
elliptic, acute :— 
cishotes ate lanceolate; calyx in flower divided half-way 
down ; lobes linear :— 
Stems sine leaves eolate salicifolia 
Stems at seas the branches erect; leaves obovate- 
oblong or elliptic salicifolia var. assur; 
Bracteoles cia, oblong ; calyx in fl divided one-third down ; 
lobes lance quadrivalvis 
Leaves bay evils or eae or obovate; calyx in flower divided 
half-way down ; lobes 1 
Stems erect ; leaves sil elliptic or oblong ...... oides, 
Stems procpaibent or geniculate; leaves shortly uae ne 
phlomoides var. Roxburghit. 
Spinescent ; calyx 4-partite; seeds 4-8; stems erect ; flowers in distinct 
axillary whorls’ leaves lanceolate, hispid inosa. 
1515. Hycropnita ronysperma T. And.; F. B. I. iv. 406. 
In most of the provinces. 
h 
An ann ; 
1516. Hycropuma Serpyiium T. And.; F. B. I. iv. 406. 
- Behar 
Ap aaiial herb, 
1517, ea saticrrotia Nees; F. B. I. iv. 407; E. D. 
. 506. 
Tn all the western and northern provinces. 
An erect herb. Santal. Mathom a 
Ses ee re ee 
