BOTANICAL NOTES ON THE ROSE. 



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to which they always in some degree adhere ; sometimes they are much developed, sometimes 

 they are deciduous. 



Bracts : Rosa systyla. 



Bracteas are small leafy bodies produced m some species, and always situated between the 

 true leaves and the flowers. 



Disk is a term applied to a projecting part of the flower which occurs between the base of the 

 stamens, and the ovary. 



Fruit is the hip, or fleshy tube of the calyx grown on to maturity ; it is, in strict botanical 

 language, a cynarrhodum. 



ROSA, Linnceus. — The Rose. 



Derivation. From the Celtic rJws (from rhodd, " red "), whence the Greek 'PoSav, and the 

 Latin Rosa. 



Generic Character. Calyx urn-shaped, with a limb of five segments, and a fleshy tube, the 

 apex of which is constricted into a ring or glandular disk. Petals five: Stamens numerous; 

 both inserted on the rim of the tube of the calyx. Pericarps numerous, dry, bristly, enclosed 

 in the fleshy calyx-tube. 



Perpendicular section of Rose flower: «, sepals; 

 b, petals ; c, stamens ; rf, pistils ; c, pericarps. 



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