UMBELLIFER^E 129 



inflexed lobe; vittse 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. rotundifolium, 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. (PL 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. {pyrenceum, 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 



