122 SAXIFRAGACEAE (SAXIFRAGE FAMILY) 



LITHOPHRAGMA 



Perennial. Calyx cup campanulate to turbinate. Petals white or rose 

 colored, clawed, entire to divided, much exceeding the sepals. Stamens 

 10, included. Ovary \-\ inferior, placentae parietal ; styles 3, short. 

 (Gk. lithos = a stone, phragma = an inclosure; probably referring to the 

 hard capsule.) 



A. Calyx tube campanulate; ovary almost wholly superior. 



B. Petals about 12 mm. long; calyx tube more than 3 mm. wide. U. 



L. campanulata 

 BB. Petals 2-7 mm. long; calyx tube less than 3 mm. wide. W. C. E. 



L. tenella (BABY'S BREATH) 

 AA. Calyx tube turbinate or obconic; ovary J inferior. 



C. Stem 1-3 dm. high; leaf blades divided to near the base; calyx tube elongated- 

 obconic. U. L. affinis 



CC. Stem 3-5 dm. high; leaf blades not divided to near the base; calyx tube short- 

 turbinate. W. E. L. parviflora 



TELLIMA (FRINGE CUP) 



Perennial, hairy. Stipules small. Flowers in racemes. Calyx cup 

 urn-shaped to deeply campanulate. Petals white or tinged with purple, 

 spreading; claw cuneate; blade pinnately divided. Stamens 10, short, 

 included. Ovary almost completely superior, placentae parietal; styles 

 2. (An anagram of Mitella.) 



A. Only base of ovary adnate to calyx; calyx tube 8 mm. long; flowers not fragrant. 



W. C. T. grandiflora 



AA. Lower half of ovary adnate to calyx; calyx tube 6 mm. or less long. 



B. Flowers fragrant; petals pinnately divided, spreading; calyx cup 5-6 mm. 



long. W. T. odorata 



BB. Flowers not fragrant; petals 3~5-cleft at apex, or entire, erect; calyx cup 4 mm. 



long. W. C. E. T. racemosa 



MITELLA (BISHOP'S-CAP) 



Perennial, low, slender. Flowers small, variously clustered. Calyx 

 short, 5-cleft. Petals slender. Stamens 5 or 10, included. Ovary from 

 to wholly inferior; placentae 2, parietal or basal; styles 2, very short. 

 Capsule short, 2-beaked, 2-valved at summit. (Diminutive of L. mitra = 

 a mitre or cap ; referring to the form of the young pod.) 



A. Calyx green; petals pinnatifid. 



B. Ovary almost wholly superior; stigmas entire; stems i-3-leaved; plant with 



summer runners. W. C. E. M. caulescens 



BB. Ovary almost wholly inferior; stigmas 2-lobed; stems leafless; plant without 



summer runners. 



C. Stamens alternate with the sepals. W. C. E. M. pentandra 

 CC. Stamens opposite the sepals. 



D. Leaves ovate-cordate. W. M ovalis 



DD. Leaves broadly reniform-cordate. C. M. brewer! 



