CAMPANULACE^ 165 



or violet, filaments woolly, stem 2-3 ft., hollow, lower 

 leaves cordate-ovate, upper lanceolate, plant glabrous; 

 alpine pastures, frequent. P. scorzoncercefolium, Vill. 

 {Michelii, All.) ; flowers blue, stigmas generally 2, stem 

 1-2 ft., glabrous, leaves glabrous or ciliate, linear-lanceo- 

 late ; pastures ; Southern Switzerland (Spliigen), Tirol, 

 Dauphiny, local. P. betoniccefolium, Vill. ; flowers blue, 

 stigmas generally 3, stem 8-18 in., leaves usually hairy, 

 lower lanceolate or cordate-lanceolate, on long stalks ; 

 pastures ; Switzerland, Piedmont, Dauphiny, Pyrenees, 

 frequent. P. nigrum, Schmidt ; flowers dark blue, other- 

 wise like spicatum ; Jura (Val de Joux), Pyrenees, rare. 



Order XLVL— AMBROSIACEiE. 



Flowers unisexual ; male flowers in globular capitules, 

 corolla regular, 5-lobed ; female flowers solitary or in 

 pairs, enclosed in an involucre, corolla o. A small 

 order, not alpine. 



I. Xanthium, Tourn. 



Female flowers in pairs ; seed-vessel a spiny achene. 



X. strumarium, L. ; flowers green, seed-vessel covered 

 with hooked prickles, leaves cordate, stalked, not spiny; 

 rubbish heaps. 



END OF VOL. I. 



