334 xcn. scrophulaiuace,e (hemsley and skan). [Graterostigma. 



whitish very slender hairs ; teeth about 1 lin. long, very broad, abruptly 

 acute, fimbriate. Corolla puberulous outside, 7-8 lin. long ; tube 

 about 44 lin. long, f lin. broad; upper lip 3 lin. long, 1|- lin. broad, 

 oblong ; lower lip about 4 lin. long, 3-lobecl. Appendages of the anti- 

 cous stamens A lin. long, capitate at the apex ; anthers glabrous, cohering 

 in pairs. Capsules ovoid, 2| lin. long, 1 1- lin. broad at the base, acute. 



Lindemia latibracteata, Engl, in Schlechter, Westafr. Kautsch.-Exped. 



313, without description. 



Iiower Guinea. Lower Congo : in marshy places around Dolo, near Stanley 

 Pool, Schlechter, 12440 ! 



27. TOKENIA, Linn. ; Benth. et Hook. f. Gen. PI. ii. 954. 



Calyx tubular, plicate or 3-5-winged, oblique at the apex, 3-5- 

 toothed or 2-lipped. Corolla-tube cylindric or usually enlarged above ; 

 upper outside lip erect, broad, concave, emarginate or 2-fid ; lower lip 

 larger, spreading, 3-lobed ; lobes broad, subequal. Perfect stamens 4 ; 

 posticous pair included ; filaments filiform ; anticous pair affixed to the 

 throat of the corolla ; filaments elongated, arched, connivent under the 

 upper lip, each furnished at the base with a filiform or tooth-like appen- 

 dage ; anthers closely approximate or coherent in pairs ; cells usually 

 confluent at the apex. Style subbilamellate at the apex. Capsule 

 oblong, not longer than the calyx, septicidal ; valves thin, entire. 

 Seeds many, foveolate-rugose. — Glabrous, pubescent or hirsute herbs. 

 Leaves opposite, entire or toothed. Racemes short, few-flowered, 

 fascicle-like or more rarely elongated, terminal or pseudo-axillary; 

 pedicels ebracteolate. 



Species about 25, mostly in Tropical Asia, Madagascar, and 1 in Tropical 

 America. 



Leaves sessile. 



Pedicels scarcely i lin. long 1. T. spicata. 



Pedicels 3-6 lin. long 2. T. angolensis. 



Leaves petiolate 



Petiole 1-2 lin. long ; corolla 3|-4i lin. long . . 3. T. parviflora. 



Petiole 4-7 lin. long ; corolla about 8 lin. long . . 4. T. Mannii. 



1. T. spicata, Engl, in Engl. Jahrb. xxiii. 502, t. 7, jigs. G — M. 

 A slender erect glabrous annual herb, 2-4 in. high ; stem quadrangular, 

 narrowly 4-winged, simple or branched. Leaves sessile, those of the 

 lower pairs equal or subequal, those of the upper often very unequal, 

 lanceolate, up to 9 lin. long, |-2| lin. broad, obtuse or acute, minutely 

 and remotely serrulate or entire. Lower flowers axillary, the upper in 

 a spike-like raceme ; bracts opposite very small, broad at the base with 

 subulate tips or one of each pair leaf -like ; pedicels scarcely \ lin. long. 

 Calyx 2 lin. long, deeply 2- lipped, 5 -winged ; upper lip 3-toothed ; 

 lower lip 2-toothed ; teeth very small, acute. Corolla rose-coloured, 

 blue or whitish, 2 lin. long ; lobes broad, rounded. Anticous stamens 

 with a short yellow obtuse appendage at the base of each filament. 



