162 SUB-ALPINE PLANTS 



Jordani Briq., with pretty deep pink flowers, which variety is found 

 from 4000-7000 feet in Savoy, at Mont Cenis, etc. 



Dry, hilly places, especially on limestone. June to August. 



Distribution. Central and Southern Europe to the Caucasus and 

 Armenia. British. 



Asperula glauca Besser. 



Stems 1-2 feet high, erect. Leaves linear, glaucous, stiff, mucro- 

 nate, 8 in a whorl. Flowers white, 4-lobed, with limb longer than 

 the tube. Fruit glabrous and glossy. 



Stony hills ; rare in Switzerland. May to July. 



Distribution. Southern France, Southern and Central Europe, 

 Asia Minor, Caucasus, Armenia. 



Asperula hexaphylla All. 



A small tufted, glabrous species, with leaves in whorls of 6, 

 rather short, linear. Stem branched. Flowers pink, in dense 

 terminal heads, with involucre of small linear bracts beneath ; 

 the corolla- tube being 2-3 times as long as the limb. Fruit 

 glabrous. 



Sunny rocks, usually limestone, in the lower mountain region ; 

 rare. June, July. 



Distribution. Maritime Alps (e.g. Tenda), Northern Italy, 

 Transylvania, Bosnia, Moldavia. 



VALERIANACE.E 



Herbs with annual or perennial stock, opposite leaves, and 

 no stipules. Flowers in terminal corymbs or panicles, usually small 

 and numerous. Calyx adherent to the ovary, sometimes toothed, 

 but unrolling later into a feathery pappus. Corolla funnel-shaped, 

 usually gibbous or spurred at the base. Lobes 3-5, unequal. 

 Stamens 1-5. Ovary 3-celled, 2 of the cells being empty. Fruit 

 small, indehiscent, i-celled. 



A family widely diffused over the greater part of the globe. 



VALERIAN A L. 



Stem-leaves opposite or whorled, entire or pinnatifid. Flowers 

 in corymbose panicled cymes, unisexual or bisexual. Calyx-limb 

 annular, developing a feathery pappus. Corolla usually 5-lobed, 

 irregular, usually gibbous at the base. Stamens 3. 



A large genus, with the geographical range of the family, but 

 most abundant in mountain regions. 



Valeriana tripteris L. (Plate XVII.) 



Rootstock with creeping runners. Stem erect, about a foot high, 

 simple, furrowed, glabrous like the whole plant, or less often downy, 



