118 rosacea, (rosi: family.) 



ovuled. Seeds anntropous, and, with few exceptions, "without albumen. 

 Embryo straight, with large and thick cotyledon*. Fruit various. 



Synopsis. 



Subordkr I. CIIKYSOr.ALAXK.E. Calyx bractless, free from 

 the solitary ovary. Style single, arising from the base of the ovary. 

 ()\ ales erect. lYuit a drupe. — Trees or shrubs. Leaves simple. 

 L CHBY80BALANU8. Calyx-limb persistent. Stone grooved. Low shrubs. 



SUBORDER II. AMYGDALEJE. Calyx bractless, free from the sol- 

 itary ovary. Style single, terminal. Ovules suspended. Fruit a drupe. 



Leaves simple. 



2. PRUNUS. ("aly x-limb deciduous. Stone even, or grooved on the margins. 



SUBORDER III. ROSACEiE. Calyx 3 - o-eleft, the lobes often alter- 

 nating with as many bracts, t'vw from the 1 - several ovaries. Style 

 lateral or terminal. Fruit a 1 - 10-seeded follicle, or a 1 -seeded ache- 

 nium. — Herbs or shrubs. Leaves mostly lobed or compound. 



* Fruit a 1 - 10-seeded follicle. 



3. SPIR.F.A. Petals obovate or roundish, imbricated in the bud. 

 ,".. QILLENIA. Petals liuear-lanceolate, convolute in the bud. 



* * Fruit a 1-seeded achenium. 

 *■ Fruiting calyx dry, the lobes mostly valvate in the bud. Achenia few, or numerous and 

 collected into a head. 

 ++ Calyx-tube contracted at the throat (except No. 4). Achenia 1-4. 



4. NKVIUSIA. Petals none. Stamens indefinite. Calyx-lobes serrate. 

 ft AGRIMONIA. Petals 6. Stamens 5-15. Calyx bristly. 



7. BANGUISORBA. Petals none. Stamens4. Style terminal. 



8. ALCI1EMILLA. Petals none. Stamens 1 - 4. St} le lateral. 



•4 <-»■ Calyx open, bracted. Stamens and dry achenia numerous, the latter rarely 2-4. 

 = Seeds erect. 

 ft QEUM. Style pentoent. Achenia numerous. 



10. WALDSXBINIA. Style deciduous. Achcnia2-6. 



= = Seeds suspended or ascending. 



11. POTENTILLA. Receptacle flat or convex, dry. 



12. FRAQAR1A. Beeeptaele conical, enlarged and fleshy in fruit. 



4+ ++ m Oalyi open, braetless. Stamens and juicy achenia numerous. 

 1.;. ELUBI ft Achenia crowded on the conical re cep tac le . 



«• «- Cah x-tube tloliv, urn -shaped : the lobefl imbricated in the hud. Achenia numerous, 



ineerted on the receptacle which lines the inside of the oaljrx-tube. 



14. ROSA. Achenia dry and hairy, Prickly shrubs. 



8i border IV- POMEJE. Calyx including and cohering with the 

 i b ovaries, rerj thick and flesh} in fruit 



15, CB IT BOl ft Fruit of 1 B '■• "\ l Meded nutlets. 



10, ['\ |tU8 Fruit of - 6 cartilaginous or membranaceous 1 QQOdcd cells. 



17. AMRLANCU1SU. Proitoffl ft two -seeded cells j feeds separated by a false partition. 



