Hygrophila.'] xcviii. acantiiace/K (burkill). 33 



above. Leaves broadly lanceolate, or in the upper part of the stem 

 linear-lanceolate, with scattered rough hairs on both surfaces, sessile 

 or very shortly petiolate, entire, 2^-/5 in. long and J in. broad. Flowers 

 whorled, 4-12 at a node; bracts lanceolate. Calyx-segments linear, 

 acute, pubescent, nearly equal. Corolla-tube r> lin. long ; lips about 

 4 lin. long, purple, pubescent outside. Stamens equal. Capsule 7 lin. 

 long. 



Zio-wer Guinea. Angola : Pungo Andongo ; Lonibc River and near Buniba, in 

 swamps, Wehcitsch, 51(>6 ! 



5. H. Teuczii, Lindau in Emjl. Jahrb. xx. 7. Stem quadrangular, 

 hispid. Leaves narrowly lanceolate, petiolate, rough with white hairs 

 along the veins on both sides, 2J in. long and h in. wide. Flowers 

 solitary or few together in the axils of the leaves ; bracts lanceolate, 

 hairy, J in. long. Calyx-segments 5, equal, rather shorter than the 

 bracts, hairy. Corolla-tube 7 lin. long, hairy on both surfaces ; lips 

 4-5 lin. long, the middle lobe of the lower lip emarginate. Stamens 

 very unequal, those of either side of the flower united at the base. 

 Style hairy. Ovary hairy, becoming glabrous after the fall of the 

 corolla, 10-12-ovuled. 



Jaovrer Guinea. Angola : Malange, in swamps, JIccJioic, 375. 



(). H. spiciformis, Lindau in Engl. Jahrb. xx. .j. Stem quadran- 

 gular, hirsute with spreading white hairs. Leaves oblong-lanceolate, 

 narrowed to both ends, entire, very shortly stalked, pubescent on both 

 surfaces, 2J in. long and J in. wide. Flowers in small whorls, about (i 

 to each node ; bracts narrowly oblanceolate, ciliate along the margins, 

 and with shorter glandular hairs on the surfaces. Calyx-segments 

 linear, about 5 lin. long, the posterior slightly longer and broader, 

 glandular. Corolla-tube 4 lin. long, pubescent outside; lips 4-5 lin. 

 long, the lower deeply divided. Stamens unequal ; filaments of the 

 lower pair broadened, and united at the base to the upper pair. Ovary 

 pubescent. — Lindau in Ann. Istit. bot. Roma, vi. 08. 



xrile Xiand. Abyssinia: Gondar, Steudner, 1523. Somaliland : Puver Dana 

 near Aloi, Biva, 517. 



nxozamb. Bist. East Africa: without locality, Fischer, 479! German East 

 Africa: Ugogo ; Massweyo, Stuhlmann, 333, Uyanzi ; Pungusi, Stvhlma.nv, 42-4. 

 Muhale stream, Stuhlmann, 461. 



A species very nearly allied to H. odora. 



7. H. odora, T. Anders, in Journ. Linn. Soc. \\\. 22. Stem erect, 

 pubescent. Leaves lanceolate, or in the upper part of the stem linear- 

 lanceolate, sessile or shortly petiolate, entire, somewhat acute above, 

 pubescent on both surfaces, 3 in. long and nearly 1 in. broad. Flowers 

 whorled 4-12 at a node ; bracts linear-lanceolate, pubescent. Calyx- 

 segments linear, obtuse, pubescent, 4 lin. long, ^ lin. broad, the posterior 

 longer and twice as broad. Corolla-tube 4 lin. long ; lips 4-5 lin. long, 

 pink, pubescent outside. Stamens nearly equal ; filaments of the lower 

 pair not broadened, united each at the base to that of the upper stamen 



