CicendiaJ\ 



LVL GENTJANACEiE. 



273 



Mostly herbaceous, generally glabrous plants, ivith opposite 

 (rarely alternate) leaves and no stipules^ eminently Utter and 

 stomachic— Gentiana lutea is the hitter Gentian^ and affords a 

 spirit much used in Switzerland and well known under the 

 name of Gentian-Wasser : Swertia (or Ophelia) Chirayta is 

 a famous East-Indian stomachic. * 



A. Leaves opposite. Corolla twisted in cestivation. 



4. 

 1. 



2. 



* St^Ie deciduous, 



Chi-ora. Cor. rotate. Stamens 8. 

 CicEXDTA.- Cor. funnel-shaped. Stam. 4, 



1, entire. 

 ERYTHRiBA. Cor. funnel-shapcd. Stam, 



mas 2. • . 



Style persistent 



Anth. straight* Stigma 

 5. Anth. twisted. Stig- 



** 



3. Gentiana. 



3». SWKRTIA. 



Cor, without nectariferous pores. Cal. 4 — 5 cleft. 

 Cor. rotate, with nectariferous pores, Cal. 4 — 5 -partite, 



B. Leaves alternate. Corolla induplicate in cestlvation, 



5. Menyanthes. Cor. fleshy, hairy within. Caps, with 2 valves bear- 



ing the seeds along their middle. Leaves ternate. 



6. ViLLARSiA. Cor. thin, ciliated. Capsule without regular valves. 



Leaves floating, cordate. 



A. Segments of the corolla twisted in aestivation. Leaves opposite^ 



(Gen. 1-4.) 



L CiCENDiA Adans, Gentianella. 



CaL 4-cleft. 

 tuhe swelling. 



Car, 4-cleft, funnel-shaped, marcescent, the 

 Stam. 4. Anthers opening longitudinally. Style, 

 1, deciduous. Stigma entire. Caps. 1 -celled, 2-valved. Seeds 

 attached to 2 sutural receptacles, which at length separate with 

 the opening of the 2-valved caps. — A name of Adanson's, the 

 etymology of which is no where explained ; perhaps derived 

 from KuavvoQ^ curled hair^ on account of the slender entangled 

 stems and branches. 



1. C. Jiliformis Reichb. Qeast G.) ; leaves linear-lanceolate 

 sessile, stem dichotomous slender, peduncles elongated, calyx 

 campanulate with ovate acute lobes. Exacum E. B. t. 235. 

 Gentiana Linn,^ Microcale Don. 



Sandy turf-bogs, m the extreme south and south-west of England; 

 also in Pembrokeshire, In Ireland, is found near Cork, upon Dursev 

 Island, and at Glengariff, 0. 7—10, — A small, slender and 

 graceful plant, with yellow /oz^^er^, differing from Gentiana in the 

 number of stamens and divisions of the cal and corolla. 



[C. Candollei Griseb., distinguished by the calyx 4-partite, the seg- 

 ments linear, is said to have been found at Paradis in Guernsey, but 

 we have seen no specimens.} 



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