PROF. PAX'S ARRANGEMENT OF THE GENUS PRIMULA. 221 



Brevibracteatae, Widmer (3 species). Characters of 



Euauricula, but flowers violet or rose. 



P. viscosa, P. marginata, P. carniolica. 

 Arthritica, Schott (4 species). Leaves coriaceous, entire 



margin cartilaginous ; bracts narrow, elongated ; calyx 



long ; flowers rose. 

 P. Clusiana, P. spectabilis, P. glaucescens, P. Wulfeniana. 

 Erythrodosum, Schott (6 species). Leaves fleshy, without 



farina, dentate, with reddish glandular hairs ; bracts 



short ; flowers rose or purple. 



e.g. P. cottia, P. hirsnta. 

 Rhopsidium, Schott (4 species). Leaves as in Erythrodosum, 

 but glandular hairs colourless ; bracts elongate ; flowers 

 rose or violet. 



e.g. P. Kitaibeliana, P. Allionii. 

 Cyanopsis, Schott (2 species). Leaves fleshy, glabrous, 

 sticky ; bracts broad ; flowers bluish-violet. 



P. gliitinosa, P. deorum. 

 Chamaecallis, Schott (1 species). Leaves fleshy, cuneate. 

 apex truncate, serrate ; bracts elongate ; flowers rose. 



P. minima. 



