302 POLYADELPHIA POLYANDRIA. [CL. XV III. 



places : rare in England, not uncommon in the west of Scotland and 

 Ireland. Eng. Bot. vol. xviii. pi. 1225. Eng. FL vol. iii. p. 323. 



1095. 



3. H. quadrdngulum. Square St. Johns-wort. Styles three; stem 

 herbaceous, acutely four-cornered ; leaves egg-shaped, with pellu- 

 cid dots ; segments of the calyx lance-shaped. Root creeping : 



stems from one to two feet high, erect, leafy, with numerous leafy 

 opposite branches : leaves in pairs, sessile : petals yellow, generally 

 streaked with dark -purple. Perennial : flowers in July and Au- 

 gust : grows in moist meadows and hedges : common. Eng. Bot. 

 vol. vi. pi. 370. Eng. Fl. vol. iii. p. 324. 1096. 



4. H. perfordtum. Perforated or Common St. John' s-wort. Styles 

 three ; stem two-edged ; leaves elliptical, with pellucid dots ; seg- 

 ments of the calyx lance-shaped. Stem from one to two feet 



high, branched : flowers bright-yellow, dotted and streaked with 

 dark-purple, in terminal panicles : petals and calyx fringed with 

 small black glands. This plant has long held a place in the Ma f eria 

 Medica, being aromatic and stimulant. The flowers tinge spirits 

 and oils of a fine purple colour. Perennial : flowers in June and 

 July : grows in dry pastures, woods, and open heaths : common . 

 Eng. Bot. vol. v. pi. 295. Eng. FL voL iii. p. 325. 1097. 



5. H. dubium. Imperforate St. John's-wort. Styles three ; stem 

 obscurely four-cornered ; leaves elliptical, obtuse, without pellucid 



dots ; segments of the calyx elliptical. Stem from one to two 



feet high: flowers bright-yellow, in terminal panicles : petals and 

 calyx dotted and blotched with dark-purple. Perennial : flowers 

 in July and August : grows in rather mountainous woods : not 

 common. Eng. Bot. vol. v. pi. 296. Eng. Fl. vol. iii. p. 326. 1098. 



6. H. humifusum. Trailing St. John's-wort. Stems three ; stem 

 compressed, prostrate ; leaves elliptical, smooth ; segments of the 



calyx egg-shaped. Stems branched, from six inches to a foot 



long : margins of the leaves with dark spots : petals and segments 

 of the calyx more or less fringed with black glands. Perennial : 

 flowers in July : grows in pastures and on dry heaths : not very 

 common. Eng. Bot. vol. xviii. pi. 1226. Eng. Fl. vol. iii. p. 326. 



1099. 



7. H.montdnum. Mountain St. John's-wort. Styles three; stem 

 erect, round, smooth ; leaves egg-shaped, smooth, embracing the 



stem ; calyx with glandular serratures. Stems about two feet 



high, simple, leafy : leaves small, sprinkled with small pellucid 

 dots, their margins with black glandular dots : petals pale-yellow : 

 bracteas and calyx margined with black glands. Perennial : flowers 

 in July . grows in hilly places, in woods and thickets : not common. 

 Eng. Bot. vol. vi. pi. 371. Eng. FL vol. iii. p. 327. 1100. 



8. H. linear if olium. Linear-leaved St. John's-wort. Styles three; 

 stem erect, procumbent below, round, smooth ; segments of the 

 calyx lance-shaped, with black spots and glandular serratures ; 



leaves linear, obtuse. Flowers rather large, yellow, in terminal 



cymes : leaves with the margins rolled back. Perennial: floweis 

 in July and August: discovered by Mr. Babington in Jersey, 

 growing on the dry slopes of hills in several parts of the islands. 

 Brit. Fl. 4th ed. p. 282. Prim. Fl. Sarn. p. 20. 1101. 



9. H.hirsutum. Hairy St. John's-wort. Styles three ; stem erect, 

 rounded, leaves egg-shaped, downy ; segments of the calyx lance- 



