532 316. Saxifraga. 46. SAXIFRAGE^E. PL ex. cal. 



a 



b. Stem leafy ; leaves opposite, not cut, leathery, fringed ; 

 flowers 1 or 2, terminal, bluish. 



2. Saxifraga ccerulea. Blue sax f rage. 

 Leaves crowded, ovate, fringed ; foiuer solitary, nearly 



sessile ; petals ovate, twice as long as the stamens or styles. 



Saxifraga alpiua ericoides, flore casruleo, Rail Syn. 353, 1. 

 Saxifraga oppositifolia, Lin. S. P. 575. 

 Saxifraga coerulea, Lapeyr. Saxifr.SQ, 16. 

 Purple saxifrage. 



Rocks and alpine places ; perennial ; April. 



Stem prostrate, very long, tufted or pendulous ; flower- 

 bearing shoots upright ; leaves sometimes slightly alternate, 

 uppermost leaves remote ; ovary half-adherent. 



c. Stem leafy; leaves not cut, alternate, leathery, fringed ; 

 flowers panicled, yellow dotted ivith red. 



3. Saxfraga autumnalis. Autiimn saxifrage. 

 Stem prostrate at bottom ; root-leaves aggregate ; stem- 

 leaves alternate, linear, lanceolate, fringed ; calyx 5-cut. 



Saxifraga alpina angusto folio, flore luteo guttato, Raii Syn. 353, 2. 

 Sedum Alpinum primuni Clusii, Ger.em. 516,2. 

 Saxifraga aizoides, Lin. S. P. 576. 

 Saxifraga autumnalis, Hudson Fl, Angl. 180. 



Alpine rivulets ; perennial ; July and August. 



Stems aggregated, branched at bottom ; leaves sessile, 

 blunt; panicle simple, few-flowered or branched, many- 

 flowered, leafy ; petals ligulate ; ovary depressed ; capsule 

 half-adherent. 



4. Saxifraga aizoides. Sengreen saxifrage. 

 Stem-leaves scattered, linear, awlshape, fringed; ciliae 



teethlike; terminal calyx 4-cut. 



Saxifraga aizoides, Lin. S. P. 576. 



Alpine places ; perennial ; August. 



Herb smaller, slenderer, and more decumbent than S. au- 

 tumnalis; leaves rather upright; flowers nearly paniculate; 

 terminal flower 4-petaled; anthers 7. 



d. Stem leafy ; root-leaves petioled, lobed, herbaceous; 

 flowers panicled, ivhite; ovary half-adherent. 



5. Saxifraga granulata. Granulated saxifrage. 

 Root granulated; stem nearly racemose; leaves round, 



kidneyshape, slightly lobed. 



