BORRAGINE^ 69 



5. tuberosum^ L. ; stem nearly simple, not strongly 

 winged, corolla-scales enclosed, root-stock very fleshy ; 

 Friburg, Ticino, Pyrenees. 5. bulbosumy Schimp. ; stem 

 nearly simple, not strongly winged, corolla-scales pro- 

 minent, root-stock slender, tubercular ; Locarno. 



3. Anchusa, L. 



Corolla regular, salver-shaped, throat clothed with 

 scales; flowers in scorpioid cymes; carpels 4. Not 

 alpine. 



A. arvensis, Bieb. {Lycopsis aruensis, L.), Bugloss; 

 flowers blue, corolla-tube curved ; waste places, common. 

 A. officinalis^ L., Alkanet ; corolla-tube straight, flowers 

 purple - blue ; Switzerland, occasional, Pyrenees. A. 

 italicUy Retz. ; corolla-tube straight, flowers azure-blue, 

 corolla-scales tufted ; Southern Switzerland, occasional, 

 Pyrenees. 



4. Onosma, L. 



Corolla regular, campanulate, without scales; carpels 

 4 ; flowers yellow. 



O. echioideSj L. ; flowers large, pendant in bud, pale 

 yellow, anthers included, stem 4-8 in., leaves very 

 rough ; high ; Dauphiny, Pyrenees. 0. arenarium, W. 

 and K. (including kelveticujn, Boiss., and vaudensey Grml.); 

 a smaller plant, with smaller flowers and exserted an- 

 thers ; Rhone Valley. 



5. LiTHOSPERMUM, L. 



Corolla regular, funnel- or salver-shaped, throat naked 

 or clothed with scales ; flowers in bracteate cymes ; nut- 

 lets 4, very hard. 



