TREES AND SHRUBS 



Ci-Ass 1 Dicotyledons 



Division II Calyciflorce 



Natural Order . . . SaxifragacecB 



Herbs, shrubs, or trees, with alternate or opposite leaves, usually exstipu- 

 late ; Flowers regular ; Calyx of 4-5 sepals, free, or more or less adnate to 

 the ovary ; Petals 4-5, perigynous or epigynous, sometimes wanting ; Stamens 

 usually as many, or twice as many as sepals, perigynous or epigynous, anthers 

 dorsifixed ; Ovary 1-4 celled, superior, or inferior, usually of 2 carpels, more 

 or less connate at base, but diverging at the apex ; Fridt a capsule or berry. 



All European plants with polypetalous flowers, and 2 divaricating many- 

 seeded carpels belong to this Order. 



COMMON HYDRANGEA, Hydrangea hortensis. 



Gardens. April — September. Best in rich loamy soil ; requires protection 

 during winter, except in warmer counties ; partial shade is beneficial. Cut 

 out old wood in winter. Cuttings may be taken at almost any time with 

 the aid of a little bottom heat. 



Flowers varying in colour according to soil. Fertile flowers few ; Inflorescence 

 a large corymbose cyme ; sterile flowers consisting of much enlarged calyces ; 

 Fruit a membranaceous capsule. 



Leaves opposite, broadly ovate, acuminate, serrate, shining green. 



A deciduous shrub, 2-5 ft. 



Native of China, introduced 1790 ; Generic name from Gr. liydor, water, 

 and aggeion, a vessel, a capsule, in allusion to the cup-shaped fruit ; Specific 

 name from L. hortus, a garden. 



Hydrangea paniculata. 

 Gardens. September, October. Prune rather severely in winter, and mulch 

 with well-rotted manure. 



Flowers greenish white, nearly all perfect, in a terminal corymbose panicle ; 



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