SAXIFRAGE FAMILY 395 



H. Hortensia, DC. Smooth, with large, toothed, bright green oval 

 leaves and flowers nearly all neutral, pink, blue or whitish, in great round- 

 ish clusters. China and Japan. Cultivated in greenhouses. 



H. paniculata, Sieb. Somewhat pubescent, with oblong-ovate, long- 

 pointed, dull, sharp-toothed leaves, and whitish flowers in great elongated 

 panicles. Japan. The common hydrangea of lawns. 



7. PHILADELPHUS. Mock Orange (from the flowers). Syringa. 



Shrubs with showy corymbose or paniculate white flowers and opposite 

 simple leaves: petals 4 or 5; stamens 20 or more; ovary 3-5-loculed, becom- 

 ing a capsule. 



P. coronarius, Linn. Tall shrub with erect branches: leaves oblong- 

 ovate and smooth: flowers cream-white, fragrant, in close clusters, in late 

 spring. Europe. 



P. grandiflorus, Willd. Tall, with long recurving branches: leaves ovate- 

 pointed and somewhat downy beneath: flowers pure white, scentless, in 

 loose clusters. Virginia, south, and planted. 



8. RIBES. Gooseberry and Currant. 



Low shrubs, often prickly, with alternate digitately lobed leaves: 

 flowers small; sepals 5 and petal-like, on the ovary; petals and stamens 5, 

 borne on the calyx: fruit a small globular berry. 



a. Gooseberries: flowers 1-3: usually spines below the leaves. 



R. oxyacanthoides, Linn. Small bush, with long, graceful branches and 

 very short thorns or none: leaves thin, orbicular-ovate, about 3-lobed, 

 the edges thin and round-toothed: flowers on very short peduncles, the 

 calyx-lobes longer than the calyx-tube, the ovary and berry smooth, the 

 fruit reddish or green. Swamps North; probable parent of Houghton and 

 Downing gooseberries. 



R. Grossularia, Linn. English gooseberry. Stiffer and 

 denser bush, with firm and thickish more shining leaves, 

 which have revolute margins: ovary downy and the large 

 fruit pubescent or bristly. Europe; parent of the large- 

 fruited gooseberries. 



R. Cynosbati, Linn. Tall, open prickly bush, with 

 thickish bluntly 3-lobed downy leaves and long peduncles 

 bearing 3 or more flowers with calyx-lobes shorter than 

 the tube: leaves rounded and 3-lobed: fruit dull purple, 

 either prickly or smooth. Common in dry places. 640. Ribes.vulgare. 



aa. Currants: flowers in long racemes: no spines. 



R. vulgare, Lam. Red and white currant. Fig. 540. Erect bush, with 

 broad-cordate 3-5-lobed leaves with roundish lobes and not strong-smelling: 

 racemes drooping, the flowers greenish and nearly flat open: berries (cur- 

 rants) red or white. Europe. 



R. nigrum, Linn. Black currant. Stronger bush, with strong-scented 



