HEXAMD. DIGYN. 1 1 1 



5. L. spicaia {ipikcd IVood-rusk), spike drooping compound, 

 spikelels shorter tlian their subdiaphanous inucrouated brac- 

 teas^ leaflets of the perianth acuminato-aristate about as long 

 as the rotuiidate capsule. Light f. p. 1-87, and E. B. t. 1176 

 (Jtmcus sf)ic.). Bic/i. in Linn. Trans, v. 12. p. 337. 



Hab. Highland mountains, common. Fl. July. % . 



Six to eight inches high, slender. Leaves small, narrow, somewhat 

 grooved, hairy only at the margins of the sheaths. Sp\kc dark co- 

 loured, interrupted near the base. Caps, very dark shining brown, 

 acute. Well distinguished by its drooping com])ound spike. 



13. BERBERIS. 

 1. B. vulgaris [common Berberry), racemes pendulous, spines 

 three-forked, leaves obovate ciliato-serrate. Li^htf. p. 178. 

 E. B. t. 49. 



Hab. Hedges and bushy places. About Hamilton, Br. Parsons. 



About Lanark, plentiful, Hopk. Glen Lyon ; and Edenshead, near 



Auchternuichty, Mr. Arnott. Fl. Mav", June. ^2 • 

 Shrub with upright, twiggy stems. Flowers yellow. Stamens highly 



curious in their formation, and in their elastic jn-operty when touched. 



Berries oblong, a little curved, red, tipped with the black stigma : 



a pleasant acid, much used for preserves. 



14. PEPLIS. 



1. P. Portula {JVater Vurslane), flowers axillary solitary, leaves 



obovate. Light/, p. ISJ . E.B.t.\2\]. 

 Hab. Places that have been overflowed in the winter, not uncommon^ 



Light/, lianks of Iluggenfield and Frankfield Lochs, Glasg., Hopk. 



Braid hiil marshes, Edinb., G. Don. Ft. July, Aug. ©. 

 Plant 5 — 6 inches long, creeping, little branched. Leaves opposite, 



glabrous, tapering at the base. Flowers small, greenish red. Petals 



very minute, inserted on the cat., often wanting. 



2. DIGYNIA. 



15. OXYRIA. 



1. O. reniformis {Kidney -shaped-leaved Oxyria). Light/, 

 p. 190, and E. B. ^.910. Rmnex digynus. 



Hab. Alpine parts of Scotland, on moist rocks, abundant. Fl July, 

 Aug. X . 



Stem 8 — 10 inches high, with rarely more than 1 leaf, often naked. 

 Radical leaves numerous, all reni'form, with an obtuse sinus on the 

 top, on long footstalks, with membranaceous stipules at their base. 

 Racemes and pedw^cZe*' branched, with minute, ovate, membranous, 

 bracteae at the base of each ramification. Pedicels incrassated up- 

 wards. Flowers erect, small. Stam. 6, shorter than the divisions 

 of the concave perianth. Pistil nearly orbicular, compressed, notched, 

 with 2 spreading feathery styles. Fruit a nut, inclo.<«ed in an utricle, 

 with a remarkably broad-winged border, tipped with the styles in a 



