Stemodia.] cm. sceophularinejb. (J. D. Hooker.) 265 



16. STEiaODIA, Zinn. 



Character of Adenosma, tut anther-cells all poUeniferous. Leaves some- 

 times whorled. Seeds ellipsoid, terete, black or brown, most minute. — 

 Species about 26, American, African, Asiatic and Australian. 



1. S. viscosa, Boxb. Cor. PI. ii. 33, t. 163, and Fl. Ind. iii, 94 ; erect, 

 viscidly pubescent, leaves sessile oblong base cordate serrulate, flowers 

 pediceUed axillary and in terminal racemes, corolla twice as long as the 

 calyx. Wall. Cat. 3929 ; Benth. Scrap A. Ind. 24, and in DC. Prodr. x. 381 ; 

 Wight Ic. 1. 1408 ; Dalz. Sf Gibs. Bomb. Fl. 176. S. maritima, Seyne in 

 Wall. Cat. 3931. S. arvensis, Steud. Nomencl. 



Prom Cbntbai India and the Soane river throughout the Dbccak'. — Disteib. 



Erect, branched from the base, 6-18 in. high, aromatic ; stem angular. Leaves 

 J-2 in., rarely ovate or obovate, sometimes very small throughout the plant ; floral 

 bracts shorter than the pedicels. Flowers very numerous, nearly J in. long, 2-brac- 

 teolate j pedicels equalling or exceeding the calyx. Sepals lanceolate, acute, half as 

 long as the violet corolla. Capsule \-^ in. long, equalling the calyx, acuminate. 



2. S. serrata, Benth. in DC. Prodr. x. 381; erect, viscidly pubescent, 

 leaves sessile obovate-oblong acute serrulate, flowers subsessile axillary, 

 corolla one-half longer than the calyx. Sutera serrata, Serb. Sochstett. 



The CoNGAN, StooJcs, Law. — Distkib. Nubia, Upper Nile and Senegambia. 



A robust leafy annual a foot high and under, usually densely branched from the 

 base; stem obtusely 4-angled. Leaves ^2 in., narrowed to the sessile base, entire 

 below the middle. Flowers often in all the axils, smaller than in 8. viscosa. Capsule 

 linear-oblong, 



17. IiXnUNOFIZXIiA, Br. 



Glabrous or pubescent often marsh or water plants, aromatic and with 

 . transparent dots. Leaves opposite or whorled, toothed, cut, or the submersed 

 multifid. Flowers pediceUed or sessile, axillary, solitary or racemose or spicate, 

 bracteolate or not. Sepals narrow, subequal or the posterior larger. Corolla- 

 tube cylindric, upper lip the outer in bud, suberect, entire or 2-fld ; lower 

 spreading, 3-fid, base not plaited. Stamens 4, didynamous, included; 

 anther-cells usually separate and stipitate. Style deflexed at the tip, stigma 

 shortly 2-lamellate. Capsule ovoid or oblong, septi- and loculi-cidal, valves 

 bearing placentiferous septa. Seeds numerous, small, angular, truncate, 

 reticulate. — Species about 25, African, Asiatic and Australian. 



A very variable genus, the foliage and habit of the species depending upon the 

 depth, (fee, of the water in which they grow. 



* Nerves of leaf pinnate, arching from the midrib. No whorled and 

 pinnatifid or multifid leaves. 



t Flowers sessile or subsessile (sometimes racemose in L. diffusa). Leaves 

 opposite very rarely %-nately whorled. 



1. Xi. Roxburg'hii, G. Don Gen. Syst. iy. 54S,notof Benth. ; pubescent 

 or glabrous, leaves all opposite petioled elliptic or ovate obtuse or subacute 

 crenulate coriaceous punctate beneath, nerves strong, flowers axillary sessile 

 in peduncled heads rarely solitary, calyx pubescent, lobes lanceolate finely 

 acuminate not striate in fruit. L. menthastrum, Benth. in DC. Prodr. x. 



