COMPOSITE. 197 



Rayed -flowered plants occur iii other places than those mentioned 

 above, but their characters seem too indefinite to pronounce them nigres- 

 cens. Even those growing at some of the stations named seem not to 

 fully agree with the descriptions of nigrescens. 



386. C. Scabiosa, L. Greater Knapweed. 



Native ; on dry sunny banks, in poor pasture land, and in corn- 

 fields. Common. Jmie to September, 

 c. I. Between Hessenford and Seaton. Between Polbathick and Cara- 

 cawn. A variety with purplish- white flowers occurs with the 

 type between Antony village and Wacker Mill. Pillaton. 

 II. Hay Lane ; a plant with white flowers there, July, 1872; another 

 seen between Torpoint and St. Johns. Between Tregantle and 

 St, Johns. Between Etheric and Cotehele Quay. 

 D. III. Near King's Tamerton ! ; Keys^ Fl. iii. 72. Plymouth and Saltash 

 Road. Blaxton. Beer Ferrers. 

 IV. Cattedow^n. On the limestone east of the Plym estuary. A 

 plant with white flowers between Pomphlet and Elburton, 1875. 

 Crabtree, and between that and Plympton. In arable land at 

 Common Wood, Rock, &c. , Egg Buckland. 

 V. Newton Ferrers. Yealmpton ; one plant with white flowers, 



growing with others, 1874. Near Lee Mill Bridge. 

 VI. Kmgston. Holbeton. Between Yealm Bridge and Ermington. 

 Partial to the warm dry tracts. 



387. C. Cyanus, L. Corn Blue Bottle, or Corn-Jloiver. 



Colonist ; among corn or other crops. Very rare and local. Part 

 of June to October, 

 c. I. Cultivated ground between Torpoint and St. Johns, July, 1861 ; 

 Phyt. V. N.S. 370; abundant in two fields of wheat, 1869; 

 seen, July, 1875. In a field of grass at St. Johns, with 

 Chrysanthemum segetum, and perhaps sown with the crop, 

 July, 1875. 

 D. III. Two plants in a waste piece of gi'ound at St. Budeaux, with 

 Lathyrus Nissolia and Chrysanthemum segetum near, June, 

 1869. 

 IV. One m a field of mangold wurzel between Plympton and Elbur- 

 ton, August, 1866. Three among oats near Crabtree, October, 

 1865. 

 VI. One plant in a field of oats near Lambside, August, 1875. 

 Only permanent in a very limited tract, above the northern shore of 

 the tidal inlet of St, Johns Lake, where it has been known to occur for 

 a considerable time. Here it seems decreasing, perhaps owing to im- 

 proved farming. It is associated with several interesting species, Galium 



