554 Lxxxvii. GENTiANE^ (baker AND brown). [Behnoutia. 



10. B. Teuszii, SchAnz in Viertelj. Nalurforsch. Ges. Zurichy 

 xxxvii. (1891) :]35. Stems slender, erect, 9-16 in. long, simple or 

 forked, 4-angled. Leaves in 4-() pairs, oblong-lanceolate, ascending. 

 J-} in. long. Flowers 1-4 to a stem. Pedicels H-4 in. long, naked^ 

 erect. Sepals 5, lanceolate, acuminate, J-| in. long ; keel green, very 

 prominent, acute, scarcely winged. Corolla-tube slender, cylindric,. 

 l-l-J in. long; lobes 5, spreading, lanceolate, acute, 10-13 lin. long, 

 4J -G lin. broad. Stamens inserted at about the middle of the corolla- 

 tube, — Engl. Hochgebirgsfl. Trop. Afr. 380. Tachiadenvs continentcdiSy 

 Baker in Kevv Bulletin, 1895, 70. 



Xiower Guinea. Angola : damp meadows at Malange, Teitsz, 387 ! 



South Central. Congo Free State : basin of the liiver TiUalaba below Nzibi, 

 iriari . 



Mozamb. Blsta British Central Africa : Urungu, Fwambo, Carson^ 33 ! 



4. CHIRONIA, Linn. ; Benth. et Hook. f. Gen. PI. ii. 805. 



Calyx 5-cleft to i or nearly to the base ; lobes lanceolate. 

 Corolla-tube sliort ; lobes 5, spreading, contorted. Stamens 5, 

 inserted at the throat of the corolla, much exserted ; filaments short ; 

 anthers linear-oblong, straight or spirally twisted. Ovary ovoid or 

 globose, 1 -celled ; placentas little intruded, bifid ; ovules numerous ; 

 .style subulate, curved ; stigma entire or shortly 2-lobed. Fruit usually 

 capsular, rarely baccate, septicidally 2-valved, rarely subacute. Seeds 

 many, globose, foveolate. — Much-branched glabrous herbs. Leaves 

 sessile, broad or narrow. Inflorescence eymose or cymose-paniculate. 



Species about 30, the others in South Africa and Madagascar. 



Cyme densely uiany-ilowered ; Howers erect, fnsti- 



giate 1, C. Krehsii. 



Cyme or panicle lax ; flowers not fastigiate. 

 Cyme-branches erect or ascending. 

 Anthers much twisted, 1-2 lin. long. 



Stem-leaves oblong or lanceolate . , . 2. C. erythrceodes. 



Stem-leaves linear . . . . . 3. C. humilis. 



Anthers straight or slightly twisted, 2-3.] lin, 



long . . . . . . . 4. C. transvaalensis, 



Cyme-branclies widely spreading. 



Leaves linear or lanceolate, 2-3 in. long . . 5. C angolensis. 



Leaves broadly ovate, ^-1 in. long . . . 6. C. laxijlora. 



1. C. Krebsii, Griseh. Gen, et Sj>. Gent. 98. Stem 2-3 ft. long, 

 terete, scape-like, stiffly erect, bearing only 2-3 pairs of reduced leaves. 

 Basal leaves densely tufted, spathulate- or linear-oblanceolate, obtuse, 

 subcoriaceous, glabrous, 4-9 in. long, \ in. broad above the middle, 

 tapering gradually to a long narrow base. Cyme elongate, densely 

 many-flowered ; branches erect, close together, with fastigiate flowers. 

 Calyx \ in. long ; segments 5, lanceolate, acute. Corolla bright pink ; 

 tube rather longer than the calyx ; lobes lanceolate, acute, as long as 



