34^0 THE JOURNAL OF BOTAXY 



amongst the moss on the tops of tlie stubs, 24 November, 1741. 

 Brakemore hill, Middleton, 1746. From off the thatch of the 

 Blacksmith's shop in Foxearth Street, 80 Jan. 1746. Great Cornard. 

 8 April, 1746. 



P. POLYDACTTLA Hoffm. Cornard mere. 27 July, 1739. 



Sticta pulmonacea Ach. Oak Lungs. New Forest, Hampshire. 

 W. Paine. 



S. SCROBICULATA Ach. 86. An Lichenoides peUatum arhoreum 

 R. S. 3. 76. Upon the thatch of Ned Parmenters shed Ballingdon 

 Brickkill, where they set the white ware. 24 November, 1741. I 

 never gathered it elsewhere. 



FrxciT. 



Geoptxis cocctnea Massee. li, S. 3. IS. 5. On rotten stick. 

 Jan. 1729, Feb. 1752. 



Geaster rufescexs Pers. ? An Fungus pulveridentits coll 

 instar perforatus cum volva stellata Doody. R. S. 3. 28. 12. Be- 

 tween Ballingdon and Sudbury. 



[LrcoPEKLDOX COLIFORME. " Cullandcr Puff-ball, Hemsted.] 



AuRtcuLARiA MESEXTERICA Fries. On a piece of Elm at Middel- 

 -ton. 28 Jan. 1740. 



Merulius lacrymaxs Fries. Rotten joysts in Humphry's 

 workeshop, Sudbury. 27 July, 1753. 



Armillaria mellea Yahl. (rhizomorph). Clavarla hypoxylon. 

 This odd Plant grows frequently to the Planks and Timbers that 

 ■cover wells & to the Pump Trees in Sudbury, Suffolk. This I had 

 from Mr. Stephen Oliver's Junr. May 28, 1745. 



An 6 Spouf/ia ramosa jiuvlatills. R. S. 3. 30. It grows to 

 "the .... old stone Bridge and to the .... wooden Piles in Ballingdon 

 River, alwaies covered. 1 July, 1740. [The freshwater Sponges, 

 which, until quite recently, were looked upon as plants, are very 

 abundant in the north of Essex.] 



NOTE ON CENTAUREA. 

 By C. E. Brittox. 



Ik part 2 of the Prodromus FIorcB Brlfannicce (Nov. 1901), 

 «,fter dealing with the forms of Cenfaurea Jacea L, in a manner 

 aiever before attempted by any native botanist, Mr. F. N. Williams 

 a-e marked that " the critical study of the British Knapweeds has still 

 .to be undertaken." Although many years have elapsed since this 

 was written, very little attention has in the meantime been given to 

 Cenfaurea by our critical botanists, and l^abington's arrangement of 

 the forms seems still to mark the limits of their study. Mr. Williams's 

 survey was chiefly notable for the transference of G. nigra var. deci- 

 j)iens of British collectors to C. Jacea as a variety (C. Jacea \^y. 

 ntffresce7is Wild. & Dur.). In associating "var. declpiens'' with 

 C. Jacea rather than with C. nigra, I believe that Mr. Williams 

 expresses the natural affinity of the plant, though I am unable to 

 iiiirree with his subordination of it to C. Jacea as a variety. 



