326 POLYADELPHI A— POLYANDRI A. Hypericum. 



5. H. duh'ium. Imperforate St. John's-wort. 



Styles three. Stem obscurely quadrangular. Leaves ob- 

 tuse, nearly destitute of pellucid dots. Segments of the 

 calyx elliptical. 



H. dubium. Z-eew 165. f^'i/M. 5p. P/ t;.3. 1460. H. Br. 802. 



Engl. Bot. v.5.t. 296. mth. 664. Mbot 1 67. Hook. Scot. 221. 



Ehrh. Herb, i 50. 

 H. delphinense. Fillars Dauph. v. 3. 497. t.44 ; from the author. 

 H. maculatum. Crantz Ausir.fusc. 2. 64. Allion. Pedem. v. 2. 45. 



^83./. 1. 

 H. quadrangulum p. DeCand. Prodr. v. 1 . 548. 



In rather mountainous groves and thickets. 



About Sajjey, near Clifton, Worcestershire. Dr. John Seward. 

 Luton, Bedfordshire. Mr. Vaux. North Mimms, Herts. Mr. Sa. 

 bine. At Downton castle, near Ludlow, and Hafod, Cardigan- 

 shire, very abundantly. 



Perennial. Julij, August. 



Habit like the last, with long, leafy, lateral branches, but the leaves 



. are larger, paler beneath, with few or no colourless pellucid dots, 

 though there is commonly a broken row of dark-coloured ones 

 close to the margin. Young radical shoots blight red. Stein 

 quadrangular in the upper part, but not winged or bordered. Fl. 

 bright yellow, in large, forked, leafy, terminal panicles. Seg- 

 ments of the calyx elliptical and obtuse, broader than in either 

 of the foregoing, by which this species is essentially distin- 

 guished from them both. The petaU and calyx are dotted and 

 blotched with dark purple. 



6. H. humifusum. Trailing St. John's-wort. 



Styles three. Flowex's somewhat cymose. Stem compressed, 

 prostrate. Leaves elliptical, smooth. Segments of the 

 calyx ovate, leafy. 



H. humifusum. Linn. Sj). PI. WOh. W'i«d. f.3. 1461. i7.J5r.802. 



Engl. Bot. V. 18. t. 1226. Curt. Lond.fasc. 3. t. 50. Hook. Scot. 



222. DeCaiid. Prodr. V.]. 549. Fl. Dan.t.141. Ehrli.Herb.ll7. 

 H. n. 1039. Hall. Hist. V. 2. 5. 

 H. minus supinum. Raii Syn. 343. 



H. minus. Dad. Pempt.7G.f. Moris, v. 2. 469. sect. 5. t. 6. f. 3. 

 H. minimum supinum. Bauh. Hist. v. 3. 386,/. Lob. Ic. 400. f. 

 H. exiguum. Trag. Hist. 72. f. 

 H. supinum glabrum. Ger. Em. 541. f. 

 H. supinum tertium minimum. Clus. Hist. v. 2. 181./. 

 H. humistratum. Dalech. Hist. 1 154 ;/. bud. 

 Ground St. John's-wort. Petiv. H. Brit. t. 60./. 8. 



In sandy or gravelly, heathy, rather boggy, pastures, frequent. 

 Perennial. July. 



