SAXIFRAGE FAMILY 111 



IV. MITELLA L. 



Delicate perennial herbs. Flowers small, pretty, in a simple 

 raceme or spike. Calyx 5-cleft, slightly perigynous. Petals 5, 

 cut-fringed, inserted on the throat of the calyx tube. Stamens 

 5 or 10, not projecting from the calyx tube. Styles 2, very 

 short. Ovary and pod 2-beaked, globular, 1-celled. 



1. M. diphylla L. TWO-LEAVED BISHOP'S CAP, FRINGE CUP, 

 FAIRY CUP. Stemless, with long-petioled, roundish-cordate root 

 leaves, and a scape about 1 ft. high, bearing 2 opposite, nearly ses- 

 sile leaves. Flowers many, racemed, white. Woods. 



V. PHILADELPHIA L. 



Shrubs. Leaves simple, opposite, 3-5-ribbed, petioled, with- 

 out stipules. Flowers solitary or in cymes, large, white. Calyx 

 tube top-shaped, the epigynous limb 4-5-parted, persistent. 

 Petals 4-5, rounded or obovate. Stamens 20-40, shorter than 

 the petals. Ovary 3-5-celled, many-seeded ; styles 3-5, more 

 or less united.* 



1. P. grandiflorus Willd. LARGE-FLOWERED SYRINGA. Shrub, 

 6-10 ft. high ; branches downy. Leaves ovate or ovate-oblong, 

 taper-pointed, sharply serrate, downy, 3 -ribbed. Flowers solitary or 

 2-3 together, white, li-2 in. broad, not fragrant. Calyx lobes ovate, 

 taper-pointed, about twice as long as the tube. On low ground S., 

 and cultivated.* 



2. P. coronarius L. GARDEN SYRINGA. Shrub, 8-10 ft. high. 

 Leaves oval or ovate, obtuse at the base, acute at the apex, remotely 

 toothed, smooth above, downy beneath. Flowers in terminal racemes, 

 creamy white, 1-1 in. wide, very fragrant. Calyx lobes ovate, acute, 

 longer than the tube. Common in cultivation. From southern Europe.* 



VI. DEUTZIA Thunb. 



Shrubs with simple, opposite leaves, without stipules. 

 Flowers all bisexual and alike, racemed or panicled, showy. 

 Calyx lobes 5. Petals 5. Stamens 10, 5 long and 5 short; 

 filaments flat and 3-pronged, the middle prong bearing an 

 anther. Styles 3-5, slender. Pod 3-5-celled. 



1. D. gracilis Sieb. & Zucc. About 2 ft. high, loosely spreading. 

 Leaves ovate-lanceolate, sharply serrate, smooth. Flowers white, 

 very numerous. Cultivated from Japan, often in greenhouses. 



