UMBELLIFER^. 129 



iiiflexed lobe; vittae one in each furrow, elongated. 

 Not alpine. 



F. Rivini, Host, {vulgaris^ Bernh.) ; flowers small, 

 white, leaves rather thick, radical ones stalked, entire or 

 ternate, stem-leaves pinnatifid, with linear lobes; fields; 

 Switzerland (rare), Pyrenees. 



17. BUPLEURUM, L. 



Flowers yellow; bracts of partial involucre usually 

 coloured and resembling a corolla ; calyx-teeth o ; petals 

 hooded, with an inflexed point; vittae o, or 1-2 in each 

 furrow ; leaves simple, entire. Mostly alpine. 



A. General involucre o: — B. rotzcndifolmm, L., Hare's 

 Ear ; partial involucre of 3-5 bracts, connate at the 

 base, upper stem-leaves nearly round, perfoliate; fields, 

 occasional. 



B. General involucre present; bracts of partial in- 

 volucre connate at the base : — B. stellatum, L. (PI. 47) ; 

 bracts of partial involucre 5-10, bright yellow, stem- 

 leaves very few, linear-ovate, radical leaves linear-lanceo- 

 late; alpine pastures; Switzerland, Tirol, Carinthia, 

 Dauphiny. 



C. General involucre present; bracts of partial in- 

 volucre free ; leaves with one principal nerve : — B. longi- 



folium^ L. ; bracts of partial involucre 5-7, ovate-acumi- 

 nate, yellowish-green or brown, upper leaves cordate- 

 amplexicaul ; thickets ; Switzerland (rare). Jura, Vosges, 

 Dauphiny. B. angulosum, L. {pyrencsum, Gou.) ; bracts 

 of partial involucre yellowish-green, nearly round, not 

 mucronate, stem leafy, lower leaves linear-acuminate, 



upper cordate-amplexicaul, plant glaucous ; Pyrenees. 

 VOL. I. I 



