ORDER 47. ROSACES. 325 



a deadly poison, residing chiefly in the kernels. Of the Rosaccae, as ornamental flowering shruBfc, 

 it is scarcely necessary to speak, neither of its many delicious fruits, as the Apple, Pear, Quince. 

 Apricot, Peach, Plum, Cherry, Strawberry, Blackberry and Raspberry. 



SUBORDERS, TRIBES AND GENERA. 



SB-BORDER I. SANGUISORBE^E. Carpels 1 (rarely 24). Petals 0. Herbs, (a) 



a Stamens 1 to 4, style lateral. Flowers scattered ALOIIEMILLA 1 



a Stamens 4, style terminal. Flowers in dense spikes SANGUISOKBA 2 



a Stamens 00, style terminal, stigma fringed, Fls. spicate POTEKIUM 3 



SUBORDER II. CHRYSOBALANE^E. Carpel 1, style lateral. Petals 5. 



Shrubs ClIRYSOBALANTTM. 4 



SUBORDER III. AMYGDALEJ3. Carpel 1, style terminal. Pet. 5. Trees, &c. (b) 



b Stone smooth, globular. Fruit smooth but not glaucous CERASUS. 5 



b Stone smooth, flattened. Fruit glaucous with bloom, or downy PRUNUS 6 



b Stone roughened with pits and furrows. Fruit pulpy PERSICA 7 



Fruit dry AMYGDALUS 8 



S SUBORDER IT. POMEJI Carpels 2 to 5, consolidated with the calyx. Fr. a pome, (c) 



C Ovary half-superior, 2-carpeled. Leaves very thick, lucid PHOTINIA. 9 



C Ovary Inferior, Petals bearded. Radicle retracted ERYOBOTRYA 10 



Petals smooth, oblong-spatulate AMEL AN CIIIEB 11 



roundish. Carpels 1-scedcd CRAT^GUS 12 



Carpels 2-secded P Y RDS 13 



Carpels co-seeded CYDONIA 14 



StrnoROER Y. ROSEJ3. Carpels 2 to 50, free, in an open or closed calyx. (*) 



* Tribe 1. ROSIDEJS. Carp. 1-secded achenia inclosed in the calyx tube, (d) 



* Tribe 2. FEAOARIDEJI. Carp, 1-seeded. Achenia dry or pulpy in an open calyx, (e) 



* Tribe 3. SPIB.IBEM. Carpels several-seeded follicles in an open calyx, (f) 



d Carpels many, in the fleshy calyx. Fls. often double ROSA. 15 



d Carpels 2 only, in the dry, fluted, eehinate calyx AGRIMONIA. 16 



e Styles persistent on the dry achenia. PetalsSorO DEYAS, IT 



e Styles persistent on the dry achenia. Petals 5 GEUXI. IS 



e Styles deciduous, Calyx bractless. Fr. a heap of pulpy achenia Ruuus. 19 



Calyx bractless. Ach. dryish. Sepals unequal DALIBARDA, 20 



Calyx bractless or minutely bracteoled. Sep. equal. . WALDSTEINIA. 21 



Calyx bracteolatc, Receptacle pulpy, globular, red.FuAGARiA. 22 



Recept spongy,glob.Fls. purple.CosiAuuM. 28 



Receptacle dry. Stamens CO . . POTENTILLA. 24 



Stamens 5.. .SIBBALDIA. 25 



f Follicles 2 to 10-seeded, Petals obovate, cyanic SPIR^A. 26 



f Follicles 2 to4-seeded. Petals lance-linear, cyanic GILLENIA. 27 



f Follicles 1-seeded. Petals multiplied, orange-yellow. KERIUA. 23 



1. ALCHEMIL'LA, L. LADIES' MANTLE. (The plant is called in 

 Arabic dlkemelyeh.} Calyx 4-toothed, with 4 external bracteoles; pe- 

 tals 0; stamens 1 to 4, carpels (1 to 4) mostly solitary, with the stylo 

 lateral, stigma capitate; seed suspended. Herbs with palmate-lobed or 

 incised Ivs. and small green fls. 



1 A. arveusis Scop. PARSLEY PIERT. Lvs. incisely 3-lobed or parted, the seg- 

 ments 2 or 3-cleft, pubescent, cuneate at base ; fls. axillary, clustered. Waste 

 grounds, E. Va, A worthless weed, so small as to be easily overlooked, 



2 A. alpirms L. Lvs. radical, silky beneath, digitately 5 to 7-foliate, segm, ol> 

 lanceolate, cuneiform at base, incisely serrate at apex; fls. corymbous. "On the 

 peaks of high mts., Vt. and N. H." (Pursh). But the plant has never been re- 

 discovered there. It is an elegant plant, sometimes cultivated. Common in Eur. 



2. SANGUISOR'BA, L. BURNET. SAXIFRAGE. (Lat, sanguis, sor- 

 bere, to absorb blood ; the plant is esteemed a vulnerary.) Calyx tube 

 4-sided, 2 or 3-bracted at base; limb 4-parted ; petals ; stamens 4, 

 opposite the calyx segments; filaments dilated upward ; style 1, filiform; 

 achenium dry, included in the calyx. Herbs with unequally pinnate 

 Ivs. Fls. in dense spikes. 



