2 THE FLORA OF THE ALPS 



slender, half-terete, papillose; leaves often opposite. 

 Genera 1-2. 



I. EUPATORIUM, L. 



Capitules few-flowered, in terminal corymbs ; branches 

 of style long, exserted ; leaves opposite. Not alpine. 



E. cannabinum, L., Hemp-Agrimony; flowers pale 

 purple, heads very large and many-flowered, leaves of 3-5 

 leaflets ; wet places, common. 



2. Adenostyles, Cass. 



Capitules few-flowered, numerous, in large compound 

 corymbs ; flowers pink ; involucre usually of a single row 

 of bracts ; leaves alternate. Alpine or sub-alpine. 



A. albifrons, Rchb. {albida, Cass., Alliaria, Kern.); 

 capitules 3-6-flowered, stem 1-2 ft., stout, lower leaves 

 reniform-cordate, stalked, upper auricled, all irregularly 

 toothed and tomentose beneath; mountain woods, fre- 

 quent. A. alpina, BL {viridis, Cass.); corymb less dense, 

 leaves regularly toothed, glabrous or only slightly hairy 

 beneath, upper ones not auricled ; moist mountain woods, 

 frequent. A. leucophylla, Rchb. {candidissima, Cass., 

 hybrida, DC.) ; capitules io-20-flowered, compact, leaves 

 tojnentose on both sides ; high ; Alps, Southern Switzer- 

 land, Piedmont, Dauphiny; less common. 



Tribe TUSSILAGINE^. — Capitules many-flowered, soli- 

 tary or corymbose ; flowers partially unisexual ; branches 

 of style connate in the disk-flowers; leaves alternate. 

 Genera 3-5. 



