24 



A SYNOPSIS OF THE VEGETABLE KINGDOM. 



B. Pistils 2-5 : calyx cup- 



sbaped or fiat 



c. Foliage pinnate : fol- 

 licles 5—15 : fila- 

 ments narrowed at 



the base : herbs 12. I'LMARIA. 



cc. Foliage simple: akenes 



2-5 : shrubs 



D. Fis. very small in 

 large terminal pan- 

 icles : carpels 2- 

 ovuled : akenes dry, 



villous 13. SCHIZONOTCS. 



DD. Fis. solitary or ia 

 corymbs : carpels 1- 

 ovuled : akenes gla- 

 brous 



E. Petals wanting : fls. 

 in few-fid. cor- 

 ymbs : akenes. 2-5 



drupaceous 14. NEVIUSA. 



EB. Petals present : lis. 

 solitary, large. . . 

 F. Lvs. alternate ; 

 fls. 5-merous. 

 yellow. akenes 

 drupaceous, yel- 

 low 15. Keeria. 



FP. Lvs. opposite : fls. 

 4-merous. white : 

 akenes dry, 



black 16. RHODOTiPi'S. 



BB. Pistils one : calyx more or 



less tubular 17. Adenostoma. 



4. QuiLLAj.v Tribe. 



A. Radicle superior IS. Eucrtphia. 



a. Radicle inferior 



B. Follicles spreading 19. Quilla.ta. 



DB. Follicles slipper-shaped. ..20. K.igeneckia. 



5. Ki'Bt^s Tribe. 



A. Drupelets pulpy 



AA. Drupelets nearly dry. 



closed by calyx. 



.21. RtBis. 

 .22. Dalibarda. 



6. POTENTILLA TRIBE. 



A. Style not elongated after an- 



thesis 



B. Carpels solitary : shrubs... 

 c. Fls. corymbose : lvs. 3- 



plnnatisect 23. Cham.ebatia. 



cc. Fls. solitary: lvs. 3-fld.24. Pi'RSHIA. 

 BB. Carpels 2 or indefinite : 

 herbs, rarely sub- 

 shrubs. 



c. Receptacle very pulpy 



in fruit 25. Fragaria. 



cc. Receptacle not fleshy, 



even in fruit 



D. Pistils only 1-12. . . 

 E. Stamens 5 : petals 



minute 26. Sibbaldia. 



EE. Stamens numerous ; 

 petals conspicu- 

 ous 27. Waldsteixia. 



DD. Pistils very numer- 

 ous 



e. Petals white or yel- 

 low, obtuse or 



emarginate 28. Potextilla. 



EE. P e t a I s purple, 

 abruptly accumi- 

 nate. much smal- 

 ler than calyx. ..29. Comardm. 

 aa. Style elongated after anthe- 

 sis, often plumose or gen- 

 iculate ,30. Cercocarpus. 



B. Pistil 1 



BE. Pistils indefinite 



c. Lvs. simple : styles 



long and plumy 31. Dryas. 



cc. Lvs. pinnatisect : styles 

 moderately long, 

 straight or genicu- 

 late, glabrous, pilose 

 or villous 32. Geum. 



7. Apple Tribe (by A. Rehder). 



A. Carpels bony at maturity ; 



fr. hence with 1-5 stones. 



b. Pistils with 2 fertile 



ovules : lvs. entire or 



crenate 



c. Lvs. entire ; spineless 



shrubs: styles 2-5.. 33. Cotoxeaster. 

 cc. Lvs. crenate, persist- 

 ent : usually spiny 

 shrubs: styles 5.... 34. PvraCaxtha. 

 BB. Pistils with only 1 fertile 

 ovule : lvs. usually 

 doubly serrate or lobed. 

 c. Ovules, 2, one fertile 

 and one sterile : lvs. 

 simple, often pin- 



nately lobed 



D. Carpels 5. wholly 

 connate and covered 

 at the top by the 

 flesh of the fr. : fls. 

 solitary, 2 in. 

 across : lvs. entire 

 or occasionally den- 

 tate 35. Mespilcs. 



DD. Carpels 1-5, more or 



less distinct at the 



ventral suture and 



free at the top : fls. 



1 in. or less across. 



usually in corymbs : 



lvs. often lobed. ..36. Cr.ataegus. 



cc. Ovule but one : stones 



5: lvs. pinnate (in 



the cultivated 



species) 37. Osteomeles. 



aa. Carpels with leathery or 

 paperv walls at matur- 

 ity ; fr. hence, 1-5-celled, 

 eacli cell with 1 or 2, 



rarely many seeds 



B. Fls. in compound cor- 

 ymbs 



c. Styles 1-5, distinct or 

 connate ; carpels 



partly free 



D. Fruit solid and point- 

 ed at the top : walls 

 of cells leathery : 

 lvs. deciduous, sim- 

 ple or pinnate 38. Sorbus. 



DD. Fruit hollow and 

 rounded at the top. 

 small 1 or 2-seeded ; 

 walls usually pa- 

 pery : styles usually 

 2 : lvs. simple, de- 

 ciduous or ever- 

 green 39. Photixia. 



cc. Styles 5, distinct ; car- 

 pels wholly con- 

 nate : fr. pear- 

 shaped, rather 

 large, yellow : lvs. 



evergreen 40. Eriobotrya. 



BB. Fls. in umbels, racemes 



or solitary 



c. Carpels many-seeded : 

 fls. solitary "or clus- 

 tered 41. Cydoxia. 



cc. Carpels 1-2-seeded 



D. Cells of the ovary as 

 many as styles, each 



with 2 ovules 



E. Ovary 2-celled : fr. 

 1-2-seeded, black : 

 fls. in upright 

 racemes some- 



times panicled ; 

 lvs. evergreen ..40. Raphiolepis. 

 EE. Ovary 3-5-ceIled : 

 fls. in umbels : lvs. 



deciduous 43. Ptrus. 



DD. Cells of the ovary 

 twice as many as 

 styles, each with 1 



ovule 



E. Styles usually 5 : fls. 

 in racemes : lvs. 

 serrate, or crenate 

 at the apex 44. Amelaxchier. 



