762 BENGAL PLANTS. [Limnophila. 
axillary, solitary, sessile or pedicelled, passing into terminal spikes 
or racemes ; pasts leafy ; bracteoles it or 0. Sepals connate 
in a 5-partite calyx; lobes narrow, imbri equal or the upper 
largest. Petale 5, connate in a 2-labiate pec tube cylindric ; ; 
e 
numerous ; style slender, deflexed at the tip; stigma 2-lamellate. 
ruit an ovoid or oblong capsule, opening both septicidally and 
loculicidally, the placentiferous dissepiment —— wi e 
valves. Seeds many, small, truncate, angular, reticulate 
*Leaves with nerves pinnate, pte: from the midrib; no whorls of 
gristan or multifid leaves :—[p. 763] 
Calyx-lobes not striate in fruit :— 
Lane ves opposite, petioled, elliptic or ovate, obtuse or subacute, 
crenulate ; nerves prominent; flowers sessile, axillary in iene 
heads, rarely solitary ; calyx-lobes lanceolate, finely acu 
xburghit. 
Leaves 4-nately whorled, half-stem-clasping, linear, adiar, nerves 
) aaa flowers very many, shortly pedicelled, small, in panicled, 
1 corymbs ; =: lobes subulate...0.23. cee polyantha, 
ee ‘loin striate in frui 
Leaves petioled, ite c, ovate or oblong-lanceolate, oe all 
opposite ; flowers sessile or, rarely, pedicelled; calyx hir 
diffusa. 
Leaves om or rarely (L. conferta sometimes) sub-petioled :— 
Fl ssile ; leaves all opposite ; calyx glabrous or nearly so :— 
iontes ‘alee or elliptic-oblong, obtuse, crenate-serrate, sessile 
or sometimes sub-petioled ; erect o iy herbs ; flowers °25 in. 
long ; calyx-lobes lanceolate-acuminat nferta. 
Leaves linear, entire or subserrate, sais sessile ; nal fait ; 
rs ‘12 in. long ; calyx-lobes subulate micrantha. 
flowe 
Flowers pedicelle 
Leaves altiptié oblong, subecrenate, obtuse, always opposite; 
flowers always axillary, solitary ; calyx hirsute; lobes subulate ; 
pedicels shorter than calyx pulcherrima. 
Leaves linear-oblong, serrulate, subacute, often 3—4-nately 
ers in axillary or terminal, many-flowered 
racemes at end of iete rarely solitary ; — lanceolate- 
acuminate ; pedicels usually longer than ca. 
f 
