io8 THE FLORA OF THE ALPS 



calyx-teeth cuspidate, leaves linear-subulate, cuspidate, 

 stem-leaves with axillary buds ; Styria ; rare. 5. plani- 

 folia, Lap. ; densely caespitose, flowers 15, petals obo- 

 vate, eraarginate, twice as long as calyx-teeth, leaves 

 linear-oblong, quite entire ; glaciers ; Alps, Pyrenees, 

 rare. .S. sponhemica, Gmel. ; flowers 39, calyx-teeth 

 acuminate, leaves linear, acuminate, aristate, plant slightly 

 hairy ; Jura. .S. hypnoides, L. ; flowers 5-9, calyx-teeth 

 mucronate, leaves linear, acuminate, mucronate, plant 

 caespitose, hairy; frequent. 



Several other species are described in Floras of Swit- 

 zerland and Pyrenees ; but they are either slight varieties, 

 or sometimes probably hybrids. 



2. PARNASSIA, L. 



Leaves entire, mostly radical ; flowers large, solitary ; 

 stamens alternating with 5 large fan-shaped glandular 

 scales ; styles 34 ; capsule 3 4-valved. 



P. palustris, L., Grass of Parnassus (PL 39) ; flower 

 white, stem with one ovate-cordate leaf; damp places, 

 common. P. alpina, Briigg., is only a small mountain 

 variety. 



3. ZAHLBRUCKNERA, Rchb. 



Flowers small, solitary, green ; ovary 2-lobed ; capsule 

 2-celled. 



Z. paradoxa, Rchb. ; stem decumbent, lower leaves 

 cordate-reniform, 5-/-lobed, on long stalks, flowers on 

 long stalks, petals small, green, shorter than the calyx- 

 teeth ; moist rocks ; Styria, Carinthia, Southern Tirol, 

 Lombardy, very rare. 



