338 PENTANDRIA— MONOGYNIA. Vinca. 



many-flowered, erect, generally branched or subdivided. Partial 

 stalks alternate, erect, single-flowered, with 3 unequal, spread- 

 ing, lanceolate bracteas under the Jlower. Cat. with a very short 

 tube, and a broadish, white, sharply toothed border, irregularly 

 notched between the segments. 

 The varieties of Willdenow seem distinct species; especially 

 T. montanum, Ehrh. Herb. 2, a much larger, more upright, 

 herb, with compound, more slender, panicles; which is Haller's 

 n. 1573, and likewise Gerarde's plant, Ger.Em. 555, taken by 

 Ray for the English species. 



127. VINCA. Periwinkle. 



Linn.Gen.W^. JussA44. F/. Br. 269. Lavi.t.\72. Gartn.t. \\7. 



Pervinca. Tourn. t. 45. 



Nat. Ord. Contorted Linn. 30. Apociiiece. Juss. 47. See 

 Grammar 108. 



Cat. inferior, of 1 leaf, in 5 deep, upright, acute, permanent 

 segments. Cor. of 1 petal, salver-shaped; tube longer 

 than the calyx, cylindrical in the lower part, dilated and 

 marked with 5 lines above, 5-sided at the mouth ; limb 

 horizontal, in 5 deep, oblique, abrupt segments, attached 

 to the summit of the tube. Filam. from the middle of the 

 tube, short, doubly curved. Anth. membranous, obtuse, 

 erect, incurved, bearing pollen at each lateral margin. 

 - Germens 2, superior, roundish, accompanied by 2 lateral 

 roundish glands. Style 1, common to both germens, cy- 

 lindrical, shorter than the tube. Stigma 1, capitate, seated 

 on a flat orbicular disk. Follicles 2, cylindrical, acute, 

 erect, bursting along one side. Seeds several, oblong, cy- 

 lindrical, furrowed, without wings. 



Stems trailing or reclining, perennial, somewhat shrubby. 

 Leaves opposite, ovate, entire ; in our species evergreen. 

 Fl. axillary, handsome, inodorous. 



1. Y. minor. Lesser Periwinkle. 



Stems procumbent. Leaves elliptic-lanceolate, smooth-edged. 



Flowers stalked. Segments of the calyx lanceolate. 

 V. minor. Linn.Sp.Pl^M. WilUiv. \. 1232. FLBr.270. Engl. 



Bot. V. 13. ^.917. Curt. Lond. fasc. 3. t. 16. Hook. Scot. 82, 



Ehrh. Arb. 102. 

 V. pervinca. Brunf. Herb. v. 1. 178./. 

 V. pervinca minor. Rail Syn. 268. Ger, Em. 894./. 

 Pervinca. Trag. Hist. 394. / 

 P. n. 572. Hall. Hist. v. 1. 246. 



