50 ROSACEA, (rose family.) 



order few and coherent with each other and adherent to the calyx forming a 2-scveral 

 celled inferior ovary. 



Nearly all the cultivated fruits of the temperate zones belong to this order. 



Sub-order 1. AMYGDALE^. 



Carpels solitary, or rarely 5, becoming drupes, entirely free from the calyx, this or its 



lobes deciduous, Trees or shrubs with bark and seeds tasting and smelling like thosQ 



of the peach or cherry. Stipules few, deciduous. 



Flowers perfect; carpel solitary Prunus. 1 



Flowers not all perfect; carpels 5 Nuttallia. 2 



Sub-order 2. R03ACE-ffl Proper. 

 Carpels free from the persistent calyx becoming akenes, follicles or berries. 



§ 1. Carpels few, becoming follicles; calyx open. 



Shrubs; follicles 2 to 8; flowers minute, in panicles Spiraea. 3 



Shrubs; follicles 1 to 5; flowers larger, in corymbs Neillia. 4 



§ 2. Carpels several or numerous, on a spongy receptacle, forming a compound 



herry Rubus. 5 



§ 3. Carpels one or rnany, becoming dry aJcenes. 



Shrubs; solitary, axillary apetalous flowers Cercocarpus. 6 



Herbs; carpels many, on a fleshy receptacle Fragaria. 7 



Herbs; carpels many, on a dry receptacle — 



Stamens 20 to 25 Potentilla. 8 



Stamens 10 Horkelia. 9 



Shrub : heath-like, with subulate fascicled leaves Adenostoma . 10 



§ 4. Erect shrubs; showy flowers Rosa. 11 



Sub-order 3. POME^. 

 Carpels 2 to 5, inclosed in and mostly adnate to the fleshy caljrs-tube, in fruit becoming 

 a berry-like pome. Trees or shrubs, wdth free stipules. 



Stamens 10, in pairs; fruit red Heteromeles. 12 



Stamens 20; fruit black Amelanchier. 13 



1. PRUNUS, Toum. Plum, Cherry, Etc. 

 Calyx 5-cleft, deciduous. Petals 5, spreading. Stamens 15 to 25, inserted vnth. the 



