86 OCTANDRIA TETKAGYNIA. [CI. 8. 



Southern and Western sandy sea-shores. 0. $ ? 4 — 7. Larger. 

 Roots running deep into the sand. Fl. tipped with white, 

 more open. (P. marinum, Ray. P. Raii, Bab. P. avic. /3, 

 Hook.) Quite distinct. 

 **8. P. maritimum, Barr. Ic. 560. f. 1. (Sea K.) Flowers on longish 

 stalks, 1 —4 in the axils. Seeds slightly protruded, quite even, 

 glossy. Leaves elliptic-lanceolate, glaucous, fleshy. Stipules 

 large, as long as the internodes ; their ribs prominent, close. 

 Stems prostrate, shrubby at the base. 



Sandy sh. near Christ's Church, Hants. Mr. JBorrer ; who ob- 

 serves, that the leaves are less acute, and the nerves of the 

 stip. less numerous than in his foreign specimens. "U- 4 — 7 ? 

 Stipules clothing almost the whole ste?n, at length much torn. 

 Leaves black when dry. 



9. P. Fagopyrum, 15. 1044. (Buck-wheat.) Leaves heart-arrow- 



shaped. Stem nearly upright, without prickles. Angles of the 

 seeds even. 

 Fields. . 7, 8. 1/ Clusters axill. and term. Fl. variegated. 



10. P. Convolvulus, 14. 941. (Black Bind-weed.) Leaves heart- 

 arrow-shaped. Stem angular, twining. Segments of the calyx 

 bluntly keeled. 



Fields and hedges. ©. 6, 7. Climbing, 3 — 5f. Clusters terminal. 

 FL whitish. 

 *JJ. P. dumetorum, Fl. Dan. t. 756. (Wing-fruited Bind-weed.) 

 Leaves heart-arrow-shaped. Stem angular, twining. Segments 

 of the calyx with decurrent wings. 

 Wimbledon, Mr. Hankey ; indigenous? 0. 6,7. Well distin- 

 guished from P. Conv. by the broad wings of the perianth, 

 especially when in fruit. 



OCTANDRIA TETRAGYNIA. 



221. PARIS. Herb Paris. 



1. P. quadrifolia, 1. 7. (Herb. P) Leaves ovate, about four. 

 Groves. If. . 5. Stem simple, about 1 f. smooth. Fl. solitary, green. 



222. AD6XA. Moschatell. 



1. A. Moschatellina, 7, 453. (Tuberous M.) 



Groves and thickets. If. 4, 5. L. twice ternate, lobed. Fl. 5, in 

 a round head. 



223. ELATINE. Waterwort. 



1. E. hexandra, E. Hydropiper, 14. 955. E. tripetala, E. Fl. (Small 

 hexandrous W.) Leaves opposite, spathulate. Flowers alter- 

 nate, pedicellate, erect, hexandrous, tripetalous. Capsule tur- 

 binate, concave at the summit, 3-celled. Seeds about 12 in 

 each cell, straight, ascending. 



