ANALYSIS OF POLYPETALOUS ORDERS. 



Stamens monadelphous. Ovary stipiiaie. 59. pASsiFLORACEiE. 

 Stamens distinct. 



Stigmas branching. Seeds arilled. 58. Tcrnerace£. 



Sci^as simple. 

 Capsule 3-Talved,loculicidaL 20. Cistackje. 



Capsule of 2 carpels distinct above, ^ 

 or bipanible, septicidaL i 



Placentae in the axis, [66. Saiifragacb^. 



Capsule 2-( rarely 3-) celled, septicidal. J 

 Capsule 1-celled by the obliteration of the 



dissepiments. Stigma capitate. 53. Ltthrace.e. 



Capsule 4-5-ceUed. 

 Stiunens monadelphous below. Leaves 3- 



foliolate. 31. OxALiDACE.t. 



Stamens distinct. Leaves simple. 



** Leaves opposite. 



Stamens indefinite or more than 12. 

 Ovary half inferior. 

 Petals linear, very numerous. 

 Petals 2LS many as sepeds (4-10), broad. 

 Ovary wholly superior (Petals hypogynous). 

 Petals twice the number of the caducous sepals. 

 Peteds (contorted in aestivation), as many as 

 the persistent sepads. 

 Leaves marked with pellucid or black dots. 

 Leaves not dotted- Pet^d3 fugacious. 

 Stamens not more than twice the number of the pe- 

 tals or sepads. 

 Corolla irregular. Filamenta monadelphous. 

 Corolla irregular. Stamens 7-8, distinct. Leaves 



compound. 

 Corolla regular. 

 Anthers opening by terminaJ pores. Angles of 



the ovary cohering with the calyx-tube. 

 Anthers opening longitudinadly. 

 Leaves simple, entire, with pellucid or black 



dots. 

 Leaves simple, entire, not dotted. 

 Capsule of 3-5, spuriously 2-celled carpels. 

 Capsule 1-celled, with parietal placentie. 

 Sepals distinct. Petals fugacious. 

 Sepals united. Petals unguiculaite. 

 Capsule 1-celled, or nearly so : placenta 

 in the axis. 

 Styles nearly distinct or very short: 



stigmais capitate. 

 Styles united into one : stigma capitate. 

 Styles stigmatose along the inside. 

 Stipules scarious. 

 Stipules none. 

 Sepals 3-3. Petals 5. 

 Sepads and petals (when present) 

 equal in number. 

 Leaves serrate, lobed. or compoand. 

 Fruit 2 cohering samaras. Trees. 

 Fruit a 2-beaked, 2-vadved, many-seeded 



capsule. 

 Fruit not a samaira; cells or carpels 1-few- 

 seeded- 

 Stamens ais many as, and opposite the 



petals. 

 Stamens as many as, and aitemaie with 

 the petals. 



65. CRASSCLACE^.t 



63. 

 51. 



Mesemertasthemace^. 

 Phii.adelphace£. 



12. PAPATERACE£.t 



17. 

 44. 



HrPERICACE£. 

 ClSTACXjE. 



PoLTGALACEfi. 

 HlPPOCASTASAC££. 



52. ]VIelasto>lace£. 



