Peunus.1 



ROSACEA. 



323 



tlie margin of the disk, deciduous, usually imbricate. Dish lining 

 the calyx-tube, or forming a ring at the base. Stamens perigynous, 

 usually indefinite, in one or many series, rarely connate and unilateral ; 

 filaments subulate or filiform, usually incurved in bud ; anthers 

 small, didymous. Ovary of 1 or more free or connate carpels, with 

 free or connate basal lateral or terminal styles ; stigmas simple, penni- 

 cillate or capitate ; ovules 1 or more in each carpel. Fruit variable, 

 of Mcheues berries or drupes, rarely capsu.lar. Seeds erect or pendu- 

 lous, albumen 0. — Species about 1,200, chiefly in the temperate regions 

 of the world. 



Spirsea cantoniensis. Lour, (S. corymhosa, Eoxb.) is a handsome 

 erergTeen shruo vdth pure white flowers.' It was introduced from China, 

 and is now much grown as an ornamental plant in gardens within the 

 area. The flowers open towards the end of the cold season. 



Eipe carpels not inclosed within the calyx-tube. 

 Carpel 1, fruit a drupa with a hard bony stone. 

 Shrubs or trees with simple leaves 



Carpels many, leaves usually compound. 

 Calyx ebracteolate, fruit of many small 



drupes. Climbing shrubs 

 Calyx bracteolate. 



Eipe carpels on a fleshy receptacle . 



Eipe carpels on a dry receptacle 



Carples adnate to tbe tube of the calyx, or, if 

 free, included wholly within it. 



Calyx-tube urceolate, fruit of many free 

 achenes inclosed in the fleshy calyx-tube. 

 Erect or climbing shrubs .... 



Calyx-tube (or apex of peduncle) becoming 

 fleshy after flowering and inclosing the 

 carpels. Trees or shrubs. 



1. Prunus. 



EUBUS. 



Fragabia. 



potenlilla. 



EOSA. 



Fruit a pome, 2-5-celled 

 Fruit small, drupe-like, inclosing 

 nutlets 



6. Pyrus. 



.5 bony- 



Ckat^gus. 



1. PRUNUS, Linn. ; Fl. Brit. Ind. ii, 312. 



Shrubs or trees. Leaves alternate, simple, quite entire or 

 -serrate or crenate or glandular-serrulate ; petiole often 2-giandular, 

 Flowers white ca- red, solitary fascicled corymbose or racemed. Calyx 



