92 TRANSACTIONS A^'L) PUOCEEDINGS OF 'JIIE [Skss. i.xvi. 



3. r. MAKGINATA, Curt. — Tliis Primula occurs only in 

 Dauphiny and the south of Piedmont, and in the Maritime 

 and Cottian Alps. Not found in Switzerland. Leaves 

 bluntly dentate, with a remarkable margin of white farina ; 

 calyx farinose. Flowers lilac-blue, passing sometimes 

 almost into rose ; throat of corolla generally of same 

 colour. 



4. P. CAitNioLiCA, Jacquin. — Found apparently only in 

 the mountains about Idria, in Carniola. Leaves nearly 

 entire, withuut farinaceous border ; calyx and corolla 

 without farina. Flowers rose or lilac ; throat of .same 

 colour. 



B. Passing from the group Euauricula, and continuing 

 to adopt the division of Schott, I take up next those 

 Primula' which he groups under the term Arthritica, of 

 which the characteristic marks are that the leaves are 

 quite entire, surrounded by a distinct cartilaginous border ; 

 the involucral bracts ' elongated and narrow ; the flowers 

 shortly pedunculate, or subsessile, and of a rosy violet 

 colour ; the segments of the bifid, obcordate corolla hairy, 

 but without farina at the throat ; and the calyx long. 

 Outer covering of the seeds plane. 



In this group there are six species. 



5. P. CALYCINA, Duby, = P. GLAUCESCENS, Moretti. — 

 This plant occurs in the north of Lombardy, from the Lake 

 of Conio to district of Judicaria. The leaves are not 

 punctate, and quite glabrous on the upper surface ; the 

 cartilaginous margin is very broad and somewhat eroded ; 

 they are lanceolate or elliptic-lanceolate ; glaucescent ; with 

 an acute apex, Involucral bracts, linear, acute, long. 

 Flowers rosy, purple, or lilac. 



There is a variety, longoharda, Porta, which is smaller, 

 with a shorter, blunt-toothed calyx, and smaller flowers. 

 Pax regards this as an intermediate form between P. 

 Hpcctahilis, Tratt., and P. calycinu. AYidmer holds it to be 

 simply a form of calycina. 



6. P. CLUSIANA, Tauscb. — Found, on limestone, in 

 Kastern Bavaria, Salzburg, Upper and Lower Austria, and 

 north of Styria. Leaves not punctate, with a narrow 

 cartilaginous border ; bright green ; oval ur oblong-oval ; 



