Nov. 1901.] BOTANICAL SOCIKTY OF EDINBUKGH 103 



northeru Russia, and Finland. Green parts of the plant 

 not farinose, with the exception of the inner surface of the 

 calyx. Calyx more or less ventricose. Flowers small, less 

 numerous than in farinosa. Lobes of the corolla slightly 

 enuiru'inate. 



Pax, with some hesitation, regards this as a species. 

 Widmer thinks it is not specitically distinguished from 

 F. farinosa. 



27. P. LOXGIFLOKA, All. — Switzerland, north Italy, 

 norlii and south Tyrol, Styria, Carinthia, Carniola, 

 Hungary, Bosnia, and Montenegro. Leaves obovate- 

 oblong or oblong, gradually narrowed into the petiole. 

 Farina abundant on the lower side of the leaves, on the 

 upper part of the scape, and lower part of the calyx. 

 Calyx cylindrical, teeth lanceolate. Flowers less numerous 

 than in P. farinosa, paler or darker red-violet, throat 

 yellow ; corolla tube of a dirty red, or, especially in the 

 upper part, yellowish, 20 mm. long or longer, seldom only 

 16 mm. long, two to three and a half times as long as 

 the calyx. Homostyle plants, the anthers of all the 

 flowers being set in the throat of the corolla ; stigma 

 protruding. 



This species appears to be very constant, and subject to 

 very little variation. Very rarely the leaves are without 

 powder on the under side. 



28. P. FRONDOSA, Janka. — Found in the north of Thrace. 

 Leaves thin, oval or lanceolate-linear, generally furnished 

 with copious farina beneath. Involucral bracts linear- 

 lanceolate, not gibbous at the base. Calyx ovate- 

 cylindrical. Flowers of the same size as in F. farinosa. 



111. Section Vernales. — To this section, identical with 

 the sub-genus Frirnalastru.m oi Duby, belong the remaining 

 European Primulas. 



Leaves revolute when young, membraceous, rugose, more 

 or less pubescent, without farina, undivided, serrulate or 

 denticulate or crenulate. Flowers yellow or purplish, 

 umbellate ; scape elongate or almost wanting. Involucral 

 bracts narrow, not gibbous. Calyx tubular or campanulate, 

 with sharp angles and acute segments. Capsule cylindrical, 

 Gxserted or included in the calyx. Stomata of the upper 



