Sebcea. | LXXXVII. GENTIANEEZ (BAKER AND BROWN). 547 
minute.—Annual or rarely perennial herbs, with erect or rarely procum- 
bent branched or simple stems. “Leaves opposite, sessile or amplexicaul. 
Flowers small or of moderate size, yellow, arranged in terminal dicho- 
tomous cymes. 
Species about 60, chiefly in South Africa, a few in Madagascar, India, Australia, 
cand New Zealand. 
Leaves cordate-orbicular, as broad as or broader than 
long. 
Stigma twice as long as broad, oblong or ovoid, 
Corolla 6-8 lin. long 1. S. crassulefolia. 
Corolla 43-5} lin. long. 2 5 3. S. leiostyla. 
Corolla 3-33 lin. long. ° : 5. S. multinodis. 
Stigma much shorter than broad. 
Corolla 5-6 lin. long; stigma minute, bilobed . 2. S. oreophila. 
Corolla about 33 lin. long; stigma capitate, 
truncate-based . : : 4 : . 4. S. schimperiana. 
eaves not cordate-orbicular, longer than broad. 
Basal leaves more or less crowded or subrosulate, 
elliptic or oblong. 
Anthers tipped with a waxy yellow gland . . 6. S. affinis. 
Anthers minutely apiculate and minutely tailed. 7. S. barbeyiana. 
None of the leaves subrosulate. 
Leaves linear, 4-9 lin. long. : 5 . 8. 8S. chironioides. 
Leaves ovate or lanceolate, 2-3 lin. long . . 9. S. pratensis. 
Leaves subulate, 1-13 lin. long : . . 10. S. Welwitschit. 
tn tn 
1. S. crassuleefolia, Cham. & Schlecht. in Linnea, i. 193. 
Annual, erect, 3-14 ft. high, glabrous. Stems simple or sparingly 
‘branched from near the base, narrowly 4-winged. Leaves orbicular- 
-cordate, obtuse, apiculate. Cymes often in an elongate panicle, some- 
times flat-topped, many-flowered. Flowers 5-merous. Sepals }—} in. 
long, 1-1} lin. broad, oblong or oblong-lanceolate, acute, very narrowly 
winged on the keel. Corolla-tube 3 lin. long ; lobes 4~5 lin. long, 2-22 
lin. broad, spathulate-oblong, obtuse. Staminal-filaments 1-1} lin. 
long; anthers 1 lin. long, tipped with a minute gland. Style 3}—4 lin. 
long, with or without a tubercular thickening near the base; stigma 
oblong, twice as long as broad.—Griseb. Gen. et Sp. Gent. 168, and in 
DC. Prod. ix. 53; Schinz in Viertelj. Naturf. Ges. Ziirich, xxxvii. 323. 
Mozamb. Dist. Portuguese East Africa: Lukinga Hills, Johnson! British 
Central Africa: Nyasaland ; Zomba Plateau, 5000 ft. Whyte! top of Mount 
‘Zomba, Buchanan, 290! Tuchila Plateau, 6000 ft., Purves, 103! 
Also in South Africa. 
2. S. oreophila, Gilg in Engl. Jahrb. xxx. 377, 378, figs. G-Q. 
An erect annual up to 1} ft. high; stems acutely quadrangular, 
branched above. Leaves distant, amplexicaul, cordate-orbicular, 4—} 
in. long and equally broad, minutely apiculate. Inflorescence a very 
compound panicle, with cymose branches ; cymes 5—1 (-flowered, rather 
dense ; pedicels short ; bracts minute, oblong or lanceolate. Sepals 5, 
ovate-lanceolate, very acute, } in. long, narrowly wing-keeled. Corolla- 
tube as long as the calyx; lobes 5, oblanceolate, obtuse, as long as the 
