Ordkr 47.— EOSACE^. 325 



a deadly poison, residing chiefly in the kernels. — Of the Eoaaccae, as ornamental flowering shrubs, 

 ltl8 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. 

 § StTBOBDKR I. SANGUISORBE^. Carpels 1 (rarely 2—4). Petals 0. Herbs, (a) 



a Stamens 1 to 4, style lateral. T'lowers scattered Aloihemtlla. 1 



a Stamens 4, style terminal. Flowers in dense spikes Sanguisobba 3 



a Stamens QO , style terminal, stigma fringed. Fls. spicate Potebiitm 8 



§ SiTBOEDEB II. CHRYSOBALANE^. Carpel 1, style lateral. Petals 5. 



Shrubs Chbysobalanitm. 4 



§ SuBOEDEB III. AMYGDALE^. Carpel 1, style terminal. Pet. 5. Trees, &c. (b) 



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



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



b Stone roughened with pits and furrows.— Fruit pulpy Peksica 7 



— Fruit dry AMTaDAurs 8 



% SuBOBDKR IV. POME^. Carpels 2 to 5, consolidated with the calyx. Fr. a pome, (c) 



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



C Ovary inferior, — Petals bearded. Radicle retracted Ebtobotrta 10 



—Petals smooth, — oblong-spatulate : . , . Amelanchiee 11 



— roundish. — Carpels 1-seeded Cbat-egus 12 



— Carpels 2-seeded Ptrus 13 



—Carpels CO -seeded Cydonia 14 



5 StTBORDEE v. ROSE^. Carpels 2 to 50, free, in an open or closed calyx. (*) 



* Tribe 1. Roside^. Carp. 1-seeded achenia inclosed in the calyx tube, (d) 



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



* Tribe 3. Spieide^. 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, echinate calyx Agrimonia. 16 



e Styles persistent on the dry achenia. Petals 8 or 9 Drtas. 17 



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



e Styles deciduous, — Calyx bractless. Fr. aheap of pulpy achenia Eubus- 19 



— Calyx bractless. Ach. dryish. Sepals unequal Balibabda, 20 



— Calyx bractless or minutely bracteoled. Sep, equal . . Waldsteinia. 21 



— Calyx bracteolate,— Receptacle pulpy, globular, red.FRAGARiA. 22 



— Recept. spongy,glob.Fl3. purple. Com aeum. 28 



—Receptacle dry. — Stamens oo ..Potentilla. 24 



—Stamens 5...Sibbaldia. 25 



f Follicles 2 to 10-seeded, Petals obovate, cyanic Spib^a. 26 



f Follicles 2 to 4-seeded. Petals lance-linear, cyanic Gillenia. 27 



f Follicles 1-seeded. Petals multiplied, orange-yellow Keebia. 28 



1. ALCHEMIL'LA, L. Ladies* Mantle. (The plant is called in 

 Arabic dlMmelyeh.) Calyx 4-toothed, -with 4 external bracteoles; pe- 

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

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

 incised Ivs, and small green fls. 



1 A. arv^nsis Scop. Parsley Pieet. Lvs. incisely 3-lobed or parted, the seg- 

 ments 2 or 3-cleft, pubescent, cuneate at base ; fls. axillaiy, clustered. — (J) Waste 

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



2 A. alpinua L. Lva. radical, silky beneath, digitately 5 to 7-foliate, segm. ob- 

 lanceolate, cuneiform at base, incisely serrate at apex; fis. corymboua, — *'0n 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- 

 here, 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 

 lvs, Fls. in dense spikes. 



