206 COMPOSURE. 



Roads ; Phut. v. N. S. 369 ; it is plentiful near tlie Pomphlet 

 Quarries. BetAveen Plymstock and Elburton. Saltram em- 

 bankment, sparingly. A large plant by the railway near 

 Cliaddlewood, 1865. 

 V. Kitley. 

 It will be seen that off the limestone beds this occurs very sparsely. 



408. S. Jacobsea, L. Commo7i Ragwort. 



Native ; hi waste spots, on banks, and by roadsides. Very 



common. July to October. Area general. 



After S. vulgai'is the commonest species of the genus. A specimen 



with rayless floAvers ; Plymbridge Road (District iv), August, 1872. This 



variety or form was known to some of the earlier botanists. (See With., 



Brit. Plants, iii. 938, ed. 7.) 



409. S. aquaticus, Huds. Marsh Ragwort. 



Native ; in marshes and damp waste spots. Common. July to 

 September. 

 0. I. Seaton. Tideford. Polscove, and elsewhere near Sheviock. 

 Polbathick. Near Carkeel. About Pillaton. 

 II. St. Johns ; Hore ; Calstock ; Keys, Fl. iii. 70. Millbrook. 

 Tregantle. Ranie. 

 D. III. jNIanadon Wood ; Keys, ih. 69. Between Ilonicknowle and Weston 

 jMills, and near Woodlands Fort. Tavy Valley. 

 IV. Between Goosewell and Staddiscombe. Plym Valley. 

 V. Vale of Kitley Brook and at Kitley. Near Stretchley. Near 

 Westlake. Near Slade. 

 VI. Near Ringmore. Between Sequers Bridge and Kingston. Near 

 Holbeton. Between Cadleigh and Ermington, 



Doronicum Pardallanches, L. Widey. Ravensh. Fl. 37. Keys, Fl. 

 iii. 68. Alien. Doubtless planted, with other introductions. 



BIDENS, L. 



410. B. cernua, L. Nodding Bui' Marigold. 



Native ; in a swampy marsh. Very rare. August, September, 

 c. I. In considerable quantity in a wet marsh or sv.'amp in the Seaton 

 Valley, between the coast and Hessenford, associated with 

 Menyanthes, 1874. 

 The rarity of this and of B. tripartita is remarkable. 



411. B. tripartita, L. Trijmrtite Bur Marigold. 



Native ; in marshes, and damp or wet waste spots. Rare and 

 local. August, September, 

 c. I. Quethiock ; by a road in a vale between the village and Hammett 



