192 COMPOSITE. 



ing summer. The v'ariety occurring under the Hoe, mentioned hy Mr. 

 Keys, grows with the ordinary phxnt. I sent it to Mr. H. C. Watson in 

 1878, and he wrote respecting it, "By the tomentose perichne this should 

 go to C. albidus, Bich. , _fkle DC. Prodr., which so distinguishes C. alhidv.s 

 from C. pycnocephahis. Both are there placed as vars. of C. tenuijiorus. 

 But, settmg aside the tomentose involucre, your specimen is nearer 

 2)yciiocephalus. " Dr. Boswell says it has the spines of the leaves much 

 stronger than in any of his Continental specimens of 2)yc'ii^ocephalus. 

 GroAvhig with ordinary tenuiflorus under the Hoe, it looks considerably 

 different, from its more slender habit, less aggregated anthodes, and other 

 peculiarities ; which features are mauitamed year after year. 



376. C. nutans, L. Musk Thistle. 



Native ; in waste spots and in pastures. Common. Part of June 

 to September. 



c. I. Between Crafthole and St. Germans Beacon. Seaton. Polbathick. 

 Between Heskyn and CutcreAV. 

 II. Whitsand Bay ; Keys, Fl. iii. 73. Four plants with wliite flowers 

 in sandy ground near Tregantle Fort, 1864. About half-a- 

 dozen, mtermixed Avith others, at Penlee Point, 1875. St. 

 Johns. Antony. Cargreen. 



D. III. Battery Hill, Stonehouse, 1878. Prospect. Between Weston 

 INIills Lake and Saltash Passage. Knackersknowle. Blaxton. 

 Beer Ferrers. 



IV. Townsend Hill, Plymouth, 1852 ; Longbridge ; Keys, ib. Plym- 



stock. Fursdon, &c.. Egg Buckland. 



V. Between Staddiscombe and Knighton. Above Bigbury Bay near 



Lambside. Revelstoke. Hareston. 

 VI. Pamflete ; Keys, ib. Above Bigbury Bay between Kingston and 

 Rmgmore. Mothecombe. 



376. C. crispus, L. Welted Thistle. 



Native ; on banks, in bushy waste spots and m pastures. Rare, 

 and very local. Part of June to September. 

 D. IV. On the limestone between Pomphlet and Elburton ; at Billa- 

 combe, near Hay farm-house, &c. Apparently only as an 

 introduction on the Devonian slates ; six or seven plants 

 above the tramway near Leigham Mill, July, 1868 ; a single 

 one, September, 1872. Several dozens on a bank near Shala- 

 ford, a quarter of a mile from Crabtree, growmg amongst 

 Avheat sown on the bank, June, 1871. 

 V. In many spots on and about the Yealmpton and Yealm Bridge 

 limestone beds. 

 I have never met with this in Cornwall. In July, 1871, I found a 

 series of plants in a pasture between Hay farm-house and Elburton, pre- 



