288 



ON THE BRITISH DAC'lYLOIl) SAXIFRAGES. 



lows ; and that not one of tlie varieties is peculiar to us, but that every 

 one of them is characteristically represented in Central Europe, every- 

 one of thera in both areas coming so close to its next neighbour, that 

 particular specimens are frequently difficult to name. 



Names. 



Definitions. 



1. caispitosa. — General habit very robust; barren stems not elonga- 

 ting beyond the tiifts of leaves at the base of the flowering stems ; 

 leaves of barren shoots with, three, or rarely five, blunt ligulate lobes 

 and without buds in their axils ; sepals oblong-deltoid, blunt. 



2. Sternhercj'd. — General habit robust ; barren shoots moderately 

 elongated; leaves of barren shoots with three, or rarely five, bluntish 

 or subacute ligulate lobes, and without buds in their axils ; sepals 

 oblong-deltoid, bluntish. 



3. declpiem. — General habit robust ; barren slioots moderately 

 elongated ; leaves of barren shoots with 3-5 ligulate-lanceolate acute 

 lobes, and without buds in their axils ; sepals oblong-lanceolate, sub- 

 acute. 



4. qn'mqnefida. — General habit usually much less robust ; barren 

 shoots much elongated ; leaves of the barren shoots usually with 3-5 

 linear-ligulate lobes, and without buds in their axils ; sepals lanceolate 

 acute. 



5. hypnoides. — General habit much less robust than in 1-3 ; barren 

 shoots much elongated ; leaves of barren shoots linear, undivided, 

 acuminate, usually with strong buds in their axils ; sepals lanceolate, 

 acute. 



