Order 47.— ROSEWORTS. 



105 



457 





r,<"/P/ 





Fig. 4.V2. Flowers of the Gi eat lied Clierry : 5, section, 

 fliowing tlie periirynor.s slaiiietis, tlie single ovary, &c. 

 Fig. 453. Section (jf tlio cherry, showing the seed lying 

 , In the stone and jmlp. Fig. 454. Section of the flower of 

 Lady's-niantle (Class Book, p. 325), with the simple 

 ovary, lateral style, Ac. Fig. 455. A flower of Strawberry. Fig. 456. A section of the same, 

 showing the pcrigynous stamens, the many simple pistils on the large turns. Fig. 457. Section 

 of a Hose, showing the many simple pistils sunk in the hollow toru.s, &c. 



Analysis of the Genera. 



% Flowers with 1 pistil and no petals. Herbs a 



§ Flowers with 1 pistil and 5 petals. Shrubs or trees 2 



§ Flowers with 2— oo pistils 3 



2 Style lateral, i. «., arising from the side of the ovary o 



2 Style terminal, i. c, arising from the top of the ovary c 



3 Pistils (carpels) 2-5, all consolidated with the calyx. Fruit a pome....<l 



3 PiBtils (carpels) 2-50, free, in an open or closed calyx 4 



4 Carpels 1-seeded, achenia inclosed in the calyx tube....e 

 4 Carpels 1-sceded, achenia dry or pulpy in an open calyx.... 5 



4 Carpels several-seeded, pods in an open calyx k 



5 Styles persistent on the dry aclicnia f 



5 Styles falling off with the rest of the flower 6 



6 Calyx entirely bractlcss. Flowers never yellow, , ..g 

 6 Calyx with bractlets bcneatli it as if double.. ..h 



a Stamens 1-4. Style lateral. Fls. scattered. LaJ yh-mantle. Alciiemil'la. 



» Stamens 4. Style terminal. Fls, in dense spikes. ^«rne/. S.xnguisor'ba. 



a Stamens od. Style terinin;d. Flowers in spikes. JBurnet. Pote^kiuk, 



b Stamens about 20, Drupe 1-seeded. S. Cocoa Plum. CniiYsoBALA^NU.-?. 



c Stone globular, smooth. Fruit not glaucous. Chen-y. CEK''ASfs. 1 



c Stone flattened, smooth. Fruit glaucous or downy. Plum. Puu'nls. 



c Stone roughened with pits and furrows. Fruit pulpy. Peach. Peis'sica. 



c Stone roughened with pits and furrows. Fruit dry. Almond. Amyo'd.m.is. 

 d Petals spat.-oblong. Pome with 5 dble.- cells. Shad-hush. AiUiLA.N'ciiiHi:. 2 

 d Petals roundish. Pome with bony, 1-sceded cells. Thorn. Cratje'oi's. 

 d Petals roundish. Pome with thin, 2-seedod cells'. Apple. Pyris. 3 



d Petals roundish. Pome with 5, many seeded colls. Quince. Cydo'nia. 4 



