270 GENTIANEJE. [CHLOKA. 



C. perfolia'ta, L. ; radical leaves obovate-spathulate, cauline ovate. 

 Chalk or clay banks and pastures from Westmoreland and Durham southd. ; 

 Ireland ; fl. June-Sept. Glabrous. Stems 1 or more from the root, 6-18 in. , 

 terete. Radical leaves 1-2 in., rosulate, obtuse ; cauline smaller, broadly 

 ovate, acute. Flowers \ Jin. diam., many, proterogynous. Sepals slender, 

 lanceolate-subulate. Corolla-lobes bright yellow, oblong, obtuse ; tube 

 finally ruptured by the capsule. Stigma 2-fid. DISTRIB. From Belgium 

 southd., N. Africa, W. Asia. 



2. MICROCA'LA, Link et Hoflm. 



Small branched annuals. Leaves oblong or filiform. Flowers small, 

 yellow or pink, in 3-chotomous cymes or fascicled. Calyx tubular, 4-lobed. 

 Corolla salver-shaped, tube short, throat naked, lobes 4. Stamens 4, 

 inserted on the corolla-tube. Ovary 1 - celled ; style deciduous, stigma 

 capitellate ; ovules many, on 2 parietal placentas. Capsule 1- or almost 

 2-celled, 2-valved, many-seeded. Seeds minute, immersed in the placenta. 

 DISTRIB. S. Europe, N. America ; species 2. ETYM. piKpos and waAos, 

 small and pretty. 



M. filifor'mis, Link ; leaves subulate, calyx campanulate, teeth deltoid 

 acute, corolla-lobes obtuse equalling the tube, fix'acum, Sm. ; Cicen'dia, 

 Reichb. 



Sandy bays, rare, Pembroke and Cornwall to Sussex ; Killarney and Cork in 

 Ireland ; fl. Jnly-Oct. Glabrous. Stem 4-8 in., angled, simple or sparingly 

 branched above, very slender, branches suberect. Leaves ^-J in. Flower* 

 yellow ; pedicels stout, very long, |-2| in. Capsule ovoid, in. DISTRTB. 

 From Denmark southd. (excl. Eussia), Azores. 



3. CICEN'DIA, Adans. 



A small branched annual ; branches divaricate. Leaves linear. Flowers 

 small, in the forks, pedicelled. Calyx 4-partite, segments narrow. Corolla- 

 tube cylindric, lobes spreading. Stamens 4, inserted on the corolla- tube ; 

 anthers short, straight. Ovary 1- celled ; style filiform, stigma 2-lamel- 

 late. Capsule 1-celled, 2-valved, many-seeded ; placentas intruded. Seeds 

 minute. DISTRIB. S.W. France, Spain, Italy. ETYM. doubtful. 



C. pusil'la, Griseb. ; calyx-lobes subulate, corolla-lobes mucronate ^ as 



long as the tube. 



Sandy commons, Channel Islands ; fl. July-Sept. Smaller and more slender 

 thaTiMicroca'lajilifor'mis. Stems several. Leaves ^ in. Flowers sometimes 

 5-merous, pink ; peduncles slender. Calyx-lobes erect. Capsule fusiform. 



4. ERYTHR.ffi'A, Pers. CENTAURY. 



Annuals. Stems erect, angular. Leaves connate. Flowers small, pink 

 white or yellow, in terminal 3-chotomous cymes, not honeyed. Calyx 

 4-5-partite. Corolla funnel-shaped, persistent ; tube cylindric, throat 

 naked ; lobes 4-5. Stamens 4-5, on the corolla-tube ; anthers spirally 



