318 xcn. scrophulariace^e (hemsley anb skan). \Limnophila. 



multifid ; segments capillary, sparingly pilose. Flowers axillary, sub- 

 sessile ; bracteoles capillary, about 1 lira, longer than the calyx. Calyx 

 2\ lin. long, membranous, glabrous, gland-dotted, 5-fid ; teeth about 1 

 lin. long, obtusely acuminate. Capsule ellipsoid, 1| lin. long, bisulcate, 

 emarginate. Seeds (unripe) rather large, several, ellipsoid-ovoid, smooth, 

 with a protruding hyaline aril at the base. — Stemodiacra ceratophi/lloides, 

 Hiern in Cat. Afr. PI. Welw. i. 759. Stemodia ceratophylloides, K. 

 Schum. in Just, Jahresber. xxvi. i. 395. Ambulia ceratophylloides, 

 Engl. & Gilg in Warb. Kunene-Samb. Exped. 362, in note. 



lower Guinea. Angola: Huilla; streams and pools between Lopollo and 

 Huinpata, in Moro de Lopollo, and on the Hmnpata Plateau near Nene, Welivitsck, 

 5778! 



4. L. sessiflora, Blume, Bijdr. 749. An annual with crowded 

 glabrous or pubescent sparingly branched floating or partly submerged 

 stems. Leaves verticillate, 4-8 lin. long ; submerged leaves multifid, 

 with long narrowly linear lobes ; upper leaves incised or dentate. 

 Flowers axillary, sessile or subsessile ; bracts linear, shorter than the 

 calyx. Calyx membranous, 2 lin. long, shortly pubescent outside or 

 glabrous, gland-dotted, 5-fid ; teeth | lin. long, rather acute. Corolla 

 §1-4 lin. long, violet- whitish tiuged with yellow on the tube. Anthers 

 coherent in pairs; cells very shortly stipitate. Style 1|- lin. long, 

 bilamellate at the apex. Capsule shorter than the calyx, bisulcate, 

 somewhat compressed. Seeds obtusely angular. — Hook, f . Fl. Brit. Ind. 

 iv. 270 ; Benth. in DC. Prodr. x. 389. Stemodiacra sessiliflora. Hiern 

 in Cat. Afr. PI. Welw. i. 758. Ambulia Baumii, Engl. & Gilg in 

 Warb. Kunene-Samb. Exped. 361, t. 7, tigs. F, G. 



lower Guinea. Angola : Huilla ; in streams, from Lopollo to Nene and 

 towards Oliai, IVelwitsch, 5776 ! and from Lopollo to Catumba, WelwitscJi, 5777 ! 

 Amboella ; Kutue River, 3900 ft., Baum, 750 ! 



Also in India, Ceylon, Java, China and Japan. 



5. Ij. dasyantha, Skan. An aquatic herb with stems up to 2^ ft. 

 long, leafless below. Lower leaves in whorls of about 10, 1^ in. long, 

 multipartite, segments long, capillary, sparingly pilose ; upper leaves 

 opposite, 2-3 lin. long, narrowly oblong to broadly ovate, semiamplexi- 

 caul, minutely dentate, gland-dotted. Flowers sessile, alternate, rather 

 crow T decl in short terminal spikes ; bracts alternate, narrowly oblong, rather 

 longer than the calyx. Calyx membranous, 1^-2^ lin. long, sparingly 

 pilose, gland-dotted ; teeth f-1 lin. long, ovate, subacute. Corolla 6-8 

 lin. long, yellow ; tube pilose outside and inside ; upper lip 1 lin. long, 

 shortly 2-lobed ; lower lip 2 lin. long, deeply 3-lobed. Anthers free or 

 coherent in pairs ; connective flat, suborbicular ; cells very shortly 

 stipitate. Style biauriculate just below the apex. Capsule 1| lin. 

 loug, ellipsoid, glabrous, 4-valved. Seeds ^ lin. long, pallid, scrobicu- 

 late. — Ambulia dasyantha, Engl. & Gilg in Warb. Kunene-Samb. 

 Exped. 362, t. 7, figs. A-E. 



Upper Guinea. Sierra Leone : stagnant water near Bentembu, Scott- 

 Mliot, 5862. 



