Swertia. | 
Corolla-lobes with a dark dozsal stripe 
in the dried state. 
Plant 6-8 in. high ; rootstock with 
several stems . p sertcke 
Plant 13-3 in. high ; rootstock appa- 
rently with only 1 stem . 5 th 
Corolla-lobes without a dorsal stripe in 
the dried state. 
Leaves mostly radical, crowded or 
rosulate, spathulate ; stem- 
leaves 1-2 pairs ; stems usually 
several to a plant. 
Sepals obovate or obovate-oblong, 
obtuse 
Sepals lanceolate, acute 
Leaves in 2-4 distant pairs on the 
stem, not crowded nor rosulate 
at the base, broadly ovate; stem 
solitary. 
Stem 1-12 lin. thick ; corolla-lobes 
5-6 lin. long, 23 lin. broad. 7. 
Stem 3-3 lin. thick. 
Corolla-lobes 4-5 lin. 3-34 
lin. broad ; Apa le 
Corolla-lobes 23-4 lin, long, 
1}-12 lin. broad oly 
++Annuals. 
{Middle and upper leaves not more than twice as 
long as broad, usually less, oblong, ovate or 
orbicular, flat. 
Flowers solitary ; leaves ovate-orbicular 
Cymes umbellately or trichotomously 2 to 
several-flowered. 
Plant3—6in. high; stem-leaves 13-3 lin.broad. 
Pedicels 3—3 in,long, slender (Nile Land). 
Basal te in 1—2 subdistant pairs 
Basal leaves several, rosulate 
Pedicels 2-13 in. long, rather stout and 
stiff; basalleaves crowded(Cameroons) 19. 
Plant 6-9 in. high, 4~-6-noded; branches 
divergent ; stem-leaves 3-7 lin. broad, 
cordate-ovate 
Plant 6-12 in. high, 6—12- noded ; branches 
erect or ascending. 
Stem and pedicels conspicuously scabrid- 
denticulate on the angles ; branches 
3-1 lin. thick 
Stems and pedicels not scabrid-denticu- 
late ; branches }—} lin. thick. 
Inflorescence a narrow elongated 
panicle (Cameroons) : . 22. 
Inflorescence broadly corymbose 
(Eastern) . . 23. 
{Middle and upper stem-leaves more than twi ice as 
long as broad. 
LXXXVII. GENTIANEZ (BAKER AND BROWN). 
eZ: 
5 sh 
2 16: 
Selly fe 
218; 
7 Us 
ap Ales 
571 
S. Engleri. 
S. pumila. 
S. erassiuscula. 
S. Volkensii. 
S. quartiniana. 
S. petitiana. 
S. wojeratensis. 
S. filicaulis. 
S. Wellbyi. 
S. brevipedicellata. 
S, subalpina. 
S. abyssinica. 
S. clarenceana. 
S. dissimilis. 
S. Lastii. 
