144 THE FLORA OF THE ALPS 



51. TORILIS, HofFm. 



Resembling Caucalis^ but fruit covered with bristles 

 between the primary ridges. Not alpine. 



T. Anthriscus, Gmel. ; bracts of involucre usually 7-9, 

 spines of fruit not hooked; hedge-banks, very common. 

 T. infesta, Hoffm. (arvensisy Huds., helveticuy Jacq.) ; 

 bracts of general involucre o or i, spines of fruit hooked ; 

 hedge-banks, occasional. 



52. Orlaya, Hoffm. 



Resembling DaucuSy but bracts entire ; secondary ridges 

 of fruit keeled, bearing 2-3 rows of subulate spines. 



O. grandiflora, Hoffm. ; outer petals very large, ten 

 times as long as the inner ones, leaves bi or ter-pinnate, 

 with linear segments; cornfields, especially at a high 

 elevation. 



Tribe Thapsie^E. — Fruit compressed dorsally; primary 

 ridges filiform; some or all of the secondary ridges 

 broadly winged. 



53. LASERPITIUM, L. 



Bracts of general and partial involucre usually many ; 

 calyx 5 -toothed; petals obovate, emarginate, with an in- 

 flexed point ; fruit with 4 or 5 broad wings ; aromatic. 



A. Leaves bi-pinnateonly: — L. prutenicu^Uy L.; flowers 

 white, leaf-segments pinnatifid, with lanceolate lobes, stem 

 deeply furrowed ; damp meadows, local. L. peucedanoideSy 

 L. ; flowers white, leaf-segments undivided, linear, fruit 

 ovoid ; Tirol, Carniola, rare. L. Gaudini, Mor. ; general 



