87 
Corolla purplish, fringed at the throat with long pro- 
f jecting hairs. } 
( Amarella. Ffe/wort. 
Corolla blue, not hairy at the throat. 
nos with 5 small, 2-cleft scales between the 5 
spreading lobes. } 
| ver’na. 
\Corolla open at the throat, without any such Gane 
between the lobes. J 
Pneumonan'the. Marsh Gentian. 
GEHRA’NIUM. 
-Flower-stalks not branched, each bearing one Bie 
flower, with 2 little bracts on the stalk. J 
sanguin’eum. 
~Flower-stalks branched, with 2 or more flowers. 
Petals distinctly notched at their tip. 
( Leaves divided almost down to the leaf-stalk. 
& strongly notched ; leaves with more or Sag 
| 
| 
spreading hairs. J 
dissec’tum. 
Notch shallow, or partly filled by a tooth; aad 
: on the leaves lying flat and parallel. 
columbi‘num.” 
-Lower leaves not divided nearly to the stalk. 
oc ovaries or ‘‘carpels”’ (best seen after nes 
petals have fallen) wrinked, not hairy. J 
L mol'le. 
Carpels not wrinkled, hairy or downy. 
Petals twice as long as the sepals, red-purple ; S 
flowers about 3 inch across. 
pyrena‘icum. J 
Petals rarely much longer than the sepals; > 
flowers about 3 inch. J 
pusil’lum. 
Petals rounded at their tip, or with a very shallow | 
depression, or jagged. J 
Leaves with 3 (or 5) much cut, stalked segments ;- 
plant a a disagreeable smell when rubbed. * 
Robertianum. Herb Robert. 
Leaf-segments 5 or more, not stalked. 
Calyx sharply 5-angled, the sepals with Dane aie 
ridges or wrinkles. J 
lu'cidum. 
Sepals without transverse ridges. 
