230 50. APOCYNAOEiE. 51. (JBNTIANACEa;. 



2. Peax'intts Linn. Ash. 



_ 1. F. excel: sior (L.) ; 1. ;pinnate witli 4 — 8 pairs of nearly ses- 

 sile ovate-lanceolate acuminate serrate leaflets, cal. wanting. — ; 

 & 44. 7.— A handsome tree. Usually dioecious. Fl. appearing 

 before the 1., in axillary clnsters.-^[;3. F. heterophyllus (Vahl) ; 

 1. simple and pinnate.] — Woods and hedges. T. IV. V. E. S. I. 



Order L. APOCYNACE^. 



Cal. in 4 or 5 persistent divisions. Cor. regular, 4 — 5-lobed, 

 deciduous, twisted in the bud. Stam. 5, filaments distinct. 

 Anth. 2-celled, pollen granular. Ovaries 2, 1-celled ; or 1 of 2 

 cells. . Stigma 1. Seed with fleshy albumen. 



1. ViNCA. Cor. salvershaped ; tube long, with 5 angles at 

 the mouth, closed by spreading hairs and the connivent 

 stamens ; limb flat, 5-lobed. Stigma capitate vnth a ring at 

 its base. Fr. of 2 erect long foUioles. 



1. Vis'CA Linn. Periwinkle. 



■ tl- V. minor (L.) ; st, procumbent, 1. lanceolate-elliptic their 

 margins as well as those of the small lanceolate calyx-segments 

 glabrous. — St. prostrate, rooting. Flowering branches erect. Fl. 

 smaller than those of the next, blue, rarely white.^- Woods and 

 thickets. P. V. VI. Lesser Periwinkle. E. 



*2. V. mdjor (L.) ; St. somewhat ascending, 1. ovate acute or 

 subcordate their margins as' well as those of the long subulate 

 calyx-segments ciliate. — St. at first ascending, afterwards pro- 

 strate and rooting. Flowering shoots erect. Fl. large, purplish 

 blue.— Hedges and thickets, naturalized. P. IV. V. Greater 

 Periwinkle. E. 



Order LI. GENTIANACE.^. 



Cal. inferior, divided, persistent. Cor. regular, 4 — 8-fid, hypo- 

 gynous, marcescent; imbricate and twisted, rarely induplicate 

 m the budi Stam. inserted on the cor., as many as the segments. 

 Ovary of 2 carpels with the edges slightly inflexed or meeting. 

 Caps, or berry many-seeded, generally 2-valved. 



Subord. I. GENTIANE^E. Corolla twisted in the bud. 

 L. opposite. 



' Style deciduous. 



Tribe I. CHLOREJE. Corolla rotate. 



1. Chloha. Cal. 8-parted. Cor. nearly rotate, 8-parted. 



