-'12 <:EXTIANEJE. [GENTIANA. 



Moist especially hilly pastures; ascending to 2,400ft. in the Highlands; tl. 

 July-Oct. Stem 4-12 in., simple below. Radical leaves obovate-spathulate ; 

 cauline ovate-oblong or lanceolate, acute, 3-7-nerved. Flows 1 in., 

 cymosily panicled, pedicelled. Calyx-tube short ; outer lobes oblong-ovate, 

 acuminate, inner much narrower. Corolla pale lilac ; lobes oblong, acute. 

 C'apxitlc subse.--.-ule. DiSTRiB. Europe (excl. Tui-key), W. Siberia. 



2. G. Amarelia, L. ; annual, calyx ebracteate 5-lobed, lobes nearly 

 equal, corolla-tube subcylindric, throat ciliate. 



Dry pastures ; ascending to 2,100 ft. in Yorkshire ; fl. July-Sept. Habit and 

 stature of G. campestris, but calyx less deeply divided, lobes 5, much 

 smaller, subulate-lanceolate. DISTRIB. Europe (Arctic), Siberia, Dahuria. 



Sub-sp. AMAREL'LA. proper ; calyx-lobes subequal from half as long to as long 

 as the corolla-tube. 



Sub-sp. GKKMAN'ICA, Willd. (sp.); larger, stouter, calyx-lobes unequal, '2 

 broader and more acute, much shorter than the corolla-tube. 



3. G. Pneumonan the, L. ; perennial, calyx 2-bracteate, lobes 5 equal, 

 corolla naiTow-campanulate, throat naked. 



Moist heathy places, from Cumberland to Dorset, and from York and Norfolk to 

 Anglesea, rare and local ; fl. Aug. -Sept. Rootxti,,-!: short. /#/.< 1-2 ft., few, 

 slender, scaly below, simple or nearly so, leafy above. Leaves 1-1 i in., linear- 

 oblong, obtuse, 1-3-nerved. Flowers 1-2 in., few, axillary and terminal, shortly 

 pedicelled ; bracts 2, long, linear. Calyx-tube obconic ; lobes linear, obtuse, 

 much shorter than the corolla, which is pale blue outside and bright blue 

 within. Capsule stipitate. DISTRIB. Europe (excl. Greece and Turkey), N. 

 Asia, N. America (a form). 



4. G. ver'na, L. ; perennial, calyx 2-bracteate, lobes 5 equal, corolla 

 salver-shaped, throat with 2-fid scales between the lobes. 



Wet subalpine limestone rocks of York and Durham, ascending to 2,400 ft. 

 in Upper Teesdale ; Mayo, Galway, and Clare ; fl. May-June. Tufted, 

 stoloniferous. Radical leaves rosulate, ovate or ovate-oblong, obtuse or 

 subacute, 1-nerved ; cauline few, smaller, oblong. Stem 1-2 in., curved 

 or ascending. Flowers 1 in. diam., solitary, sessile ; bracts foliaceous. 

 -tube, large, 5-winged ; lobes acute, much shorter than the corolla-tube. 

 Corolla bright bluj3 ; lobes ovate, obtuse. Capsule subsessile. DISTHIB. 

 Europe from France and Germany to Spain and Turkey, Siberia, W. Asia. 



5. G. nivalis, L. ; annual, calyx 2-bracteate, lobes 5 equal, corolla 

 fmiMfl-shaped, throat with a 2-fid scale between each lobe. 



High alpine rocks of the Breadalbane and Clova Mts., from 2,700-3,000 ft., 

 very rare ; fl. Aug.-Sept. Stem slender, 2-8 in., simple or branched above. 

 Jinilical leaves J-Jin., few, obovate-oblong, obtuse or acute ; cauline smaller, 

 in distant pairs, all 3-5-nerved. Flowers $-$ in., solitary or few, shortly 

 pedicelled ; bracts small, oblong. Calyx narrow-cami>anulate, 5-angled 

 and ribbed; lobes subulate, much shorter than the corolla-tube. ('<////./ 

 ^ in. diam., blue ; lobes ovate, obtuse. Capsule subsessile. DJSTRJB. Arctic, 

 Northern and Mts. of Mid. Europe, 'Arctic America. 



5. MENYAN'THES, Tourncf. Brcx- OR BOG-BKAN. 

 A perennial .scapigerous marsh herb. Rootstock creeping. Leaves alter- 

 nate, 3-lbliolate, petioles sheathing. Flowers racemose ; pedicels bractcatc. 

 Calyx 5-partite. Corolla fleshy, funnel-shaped, deciduous, limb 5-partitt.-, 



