112 ENGLISH BOTANY. 



Rootstock short, without tubers or stolons. Stem erect, 

 branched, angular, but not winged. Leaves with 4 to 6 pairs of 

 broadly elliptical or oblong mucronate leaflets ; common petiole 

 terminating in a setaceous point. Stipules small, linear-lanceolate, 

 half-sagittate or hastate-sagittate at the base, with a small acute 

 auricle. Peduncles equalling or exceeding the leaves, 3- to 8-flow- 

 ered. Flowers drooping, in a rather lax raceme. 3 lower calyx- 

 teeth deltoid-triangular, not half the length of the tube ; the upper 

 pair much shorter. Corolla three times as long as the calyx. 

 Pods linear, sub-cylindrical, slightly compressed. Seeds quadi-atc, 

 compressed, smooth ; hilum about one-fourth the circumference of 

 the seed. 



In rocky copses in mountainous districts. Very rare. In the 

 Den of Airly, twelve miles west of Porfar; and in the Pass of 

 Killicrankio, Perthshire ; also said to occur on Craiganain, a rock 

 within two miles of Moy House, Inverness-shire. 



Scotland. Perennial. Summer. 



Stem slender, almost wiry, erect, 1 to 2 feet high. Leaflets 

 "I to 1^ inch long, usually lanceolate-elliptical, but variable in 

 breadth, though not nearly to the same extent as in the last species. 

 Stipules of the lower leaves ^ inch long; those of the upper very 

 minute. Peduncles 2 to 4 inches long. Flowers ^ inch long, with 

 the claw of the petals longer than the lamina, dull purplish-crimson 

 fading to livid blue. Pods drooping, 2 inches long, l)lack when 

 ripe. Seeds ^ inch across, reddish-black. Plant deep-green, gla- 

 brous, always turning brownish-black when drying. 



Black Bitter Vetch. 



French, Orohe noirdssant. German, Schwarze Platterbse. 



EXCLUDED SPECIES. 



MEDICAGO MURICATA. Willd. 

 Sm. Eug. Fl. Vol. III. p. 320. 



Said to have been found by Eay on the coast at Orford, 

 Sufi'olk ; but the Eev. W. W. Newbould informs me that Hay's 

 plant was M. denticulata, on the faith of the specimens in the old 

 Herbaria. 



TRIPOLIUm PARVIPLORUM. EhrhA 



Mr. A. G. More finds that Dr. Mackay's specimens of the plant 

 called by him " Triiblium maritimum," .from near Kilbarrack 



