566 LXXXVII. GENTIANEX (BAKER AND BROWN). | Faroe. 
Flowering-leaves dilated at the base, more or less 
forming an involucre. 
Calyx-lobes mucronate, tips spreading or squarrose. 1, F. involucrata, 
Calyx-lobes not mucronate, tips erect. 
Flowering-leaves lanceolate or narrowly oblong ; 
calyx-lobes not gibbous-keeled at the apex. 2. F. azillaris. 
Flowering-leaves linear; calyx-lobes gibbous- 
keeled at the apex : : : : 
Flowering-leaves not dilated (usually narrowed) at the 
base. 
Stamens shorter than or about equalling the corolla- 
lobes; small plants 1-2 in. high, 
Calyx-lobes 1 lin. long, with erect tips. . 5. F. amara. 
Calyx-lobes 3 lin. long, with spreading tips. . 6. F. pusilla. 
Stamens much longer than the corolla-lobes. 
Plant 4-8 in. high; flower-clusters 3-6 to a 
stem, crowded into a terminal oblong in- 
florescence ¢ : ° : : . 4 FF. affinis. 
Plant 13-4 in. high; flower-clusters 1-2 toa 
stem, the lower contiguous or distant. 
Calyx-lobes obovate, obtuse, cuspidate-apicu- 
late . ‘ . : ‘ ; go4 
Calyx-lobes ovate, acute, not cuspidate-apicu- 
late 
Corolla scarcely 2 lin. long; style hair-like. 8. F. Behmii. 
Corolla 23 lin. long ; style filiform . . 9. F.salutaris. 
3. F. graveolens.. 
. F. nyasica. 
1. F. involucrata, Knobl. in Bot. Centralbl. \x. (1894) 331. A. 
dwarf annual 3-4 in. high, much branched, glabrous. Stems narrowly 
4-winged ; wings with jagged or scabrous edges. Leaves 10-18 lin. long ; 
lower 5 lin. broad, oblong-spathulate, obtusely attenuate at the apex, 
long-attenuate at the base, connate; flowering leaves with scarious 
veiny broadly cordate overlapping bases 4—5 lin. broad, forming an invo- 
lucre to the flowers, then narrowed to a lanceolate or linear-lanceolate 
acute blade about 2 lin. broad, widely spreading. Flower-clusters 
axillary and terminal, all distant, 4-5 lin. in diam., dense, many-flowered; 
pedicels 4 lin. long. Calyx-lobes about 1 lin. long, 3-1 lin, broad, oblong- 
obovate or spathulate-obovate, obtuse, mucronate, with recurved-spread- 
ing or squarrose tips, keeled down the back, with numerous rather 
crowded subparallel veins. Corolla-tube 14 lin. long; lobes nearly 1 lia. 
long, 3-2 lin. broad, elliptic, acute. Stamens about as long as the corolla- 
lobes. Style 1 lin. long; stigma minutely 2-lobed. Capsule 14 lin. long, 
oblong, obtuse, scarcely narrowed at the base.—Sebea involucrata, 
Klotzsch in Peters, Reise Mossamb. Bot. 271; Welw. in Trans. Linn. 
Soe. xxvii. 47. 
. 
Mozamb. Dist. Portuguese East Africa : Lower Zambesi, Boror, Peters ! 
2. F. axillaris, Baker in Kew Bulletin, 1898, 158. Plant 6-7 in. 
high, branched, glabrous. Stems narrowly 4-winged. Leaves 1-14 in. 
long, §-4 in. broad; lower oblong-spathulate or elliptic-lanceolate, 
narrowed to the base ; upper oblong or lanceolate, acute or subobtuse, 
