Faroa.'] lxxxvii. GENTiANEiE (baker and brown). 569 



acute. Stamens longer than the corolla-lobes. Style far exserted, 2 lin. 

 long, exceedingly slender, hair-like ; stigma very minutely 2-lobed. 



XWozamb. I>l8t. German East Africa: Uiiyamwezi, Goiida, Boehm, 283! 



This is only to be distinguished from F. salutaris, Wehv., by its smaller Howers 

 and the much more slender style. 



9. F, salutaris, Welw. i7i Trans. Linn. Soc. xxvii. 4'), ^.17. A 

 glabrous biennial or perennial, 2-3 in, high, much branched at the base ; 

 stems slender. Leaves crowded in a basal tuft and each stem with 2-3 

 pairs, the upper lanceolate, 2-6 lin. long, the lower oblanceolate, obtu.se, 

 narrowed to the base, |- j in. long. Flowers in a dense terminal cluster 

 and sometimes also 1 axillary cluster, subtended by 1-2 pairs of leaves ; 

 pedicels 1-2 lin. long. Calyx 1-1:| lin. long ; lobes erect, ovate, acute, sub- 

 membranous, with a green mid-rib which is keeled, slightly gibbous and 

 slightly prolonged at the apex, but not cuspidate. Corolla-tube \\ lin. 

 long ; lobes 1 lin. long, lanceolate, acute. Stamens exceeding the 

 corolla-lobes. Style nearly 2 lin. long, filiform ; stigma very minutely 

 2-lobed.— Engl. Hochgebirgsfl. Trop. Afr. 336 ; Hiern in Cat. Afr. PI. 

 W^lw. i. 710; Knobl. in Bot. Centralbl. Ix. (1804), 330; Gilg in 

 Kunene-Sambesi Exped. 333. 



Ibo-wer Guinea. Angola : in damp sandv pastures throughout the i)lateau of 

 Huilla, between Nene and Humpata, 4200-5500 ft., Welwitsch, 1523 ! bank of the 

 River Chitanda, 3700 ft., Baum^ 141 (ex Qilg). 



Also in South Africa. 



The specific name refers to the usefulness of the plant as a bitter tonic in 

 fevers. 



12. VOYRIA, Aubl.; Benth. et Hook. f. Gen. PI. ii. 806. 



Calyx-tube campanulate ; lobes 4-5. Corolla salver-shaped; tube 

 cyHndric ; lobes 4-5, patent, contorted. Stamens 4-5, included in 

 the corolla-tube ; filaments very short ; anthers sometimes prolonged 

 into setae at the base. Ovary ovoid, 1 -celled ; placentas shortly 

 intruded ; ovules many ; style long, filiform, not exserted from the 

 corolla-tube; stigma capitate. Capsule linear or oblong, membranous, 

 2-valved. Seeds oblong, sometimes winged. — Saprophytes, with the 

 leaves reduced to membranous scales. Flowers solitary or cymose, 

 yellow or blue. 



Species 30 or more, the others all Tropical American. 



Corolla |-1 in. in diam • 1- r. primuloides. 



Corolla 4-5 lin. in diam 2. V. plat y pet ala. 



1. V. prlmuloides. Baker in Kew Bulletin, 1894, 25. Stem 

 flexuous, 1-flowered, 2-3 in. long, with about 3 pairs of adpresstnl rudi- 

 mentary lea^^es. Calyx J in. long ; segments oblong-lanceolate, acumi- 

 nate, much longer than the campanulate tube. Corolla-tube cylindric, 

 swollen around the anthers, 8-11 lin. long; expanded limb J-1 in. in 

 diam.; segments 5, -elliptic, subacute. Anthers inserted j of the way 

 up the corolla-tube. 



