BENTHAM-HOOKER SYSTEM li 



SERIES II. DISCIFLORAE. Sepals distinct or united, free or 

 adnate to ovary ; disc usu. conspicuous as a ring or cushion, or spread 

 over the base of the calyx-tube, or confluent with the base of the ovary, 

 or broken up into glands ; sta. usu. definite, inserted upon or at the 

 outer or inner base of the disc ; ovary superior. 



Order 7. Geraniales (fls. often irregular ; disc usu. annular, adnate to 

 the sta. or reduced to glands, rarely o ; ovary of several cpls., syncarpous 

 or sub-apocarpous ; ovules i 2, rarely oo , ascending or pendulous ; 

 raphe usu. ventral) : 



35. Lineae. 36. Humiriaceae. 37. Malpighiaceae. 38. Zygo- 

 phylleae. 39. Geraniaceae. 40. Rutaceae. 41. Simarubeae. 42. 

 Ochnaceae. 43. Burseraceae. 44. Meliaceae. 45. Chailletiaceae. 



Order 8. Olacales (fl. regular, 5 or unisex. ; calyx small ; disc free, 

 cupular or annular, rarely glandular or o ; ovary entire, i oo -loc. ; ovules 

 i 3 in each loc., pend. ; raphe dorsal, integ. confluent with the nucellus ; 

 endosp. usu. copious, fleshy ; embryo small ; shrubs or trees ; leaves alt., 

 simple, exstip.) : 



46. Olacineae. 47. Ilicineae. 48. Cyrilleae. 



Orders). Celastrales (fl. regular, ?; corolla hypo- or peri-gynous ; 

 disc tumid, adrwate to base of calyx-tube or lining it; sta. = petals or 

 fewer, rarely twice as many, perig. or inserted outside the disc or on its 

 edge; ovary usu. entire; ovules i 2 in each loc., erect with ventral 

 raphe ; leaves simple, except in fain. 52) : 



49. Celastrineae. 50. Stackhousieae. 51. Rhamneae. 52. Am- 

 pelideae. 



Order 10. Sapindales (fl. often irregular and unisex. ; disc tumid, 

 adnate to base of calyx or lining its tube ; sta. perig. or inserted upon 

 the disc or between it and the ovary, usu. definite; ovary entire, lobed 

 or apocarpous ; ovules i 2 in each loc. usu. ascending with a ventral 

 raphe, or reversed, or pend. from a basal funicle, rarely oo horizontal ; 

 seed usu. exalb. ; embryo often curved or crumpled ; shrubs or trees, 

 1. usu. compound) : 



53. Sapindaceae. 54. Sabiaceae. 55. Anacardiaceae. 



Anomalous fains, or rather genera : 



56. Coriarieae. 57. Moringeae. 



SERIES III. CAL YCIFLORAE. Sepals united, rarely free, 

 often adnate to ovary ; petals i -seriate, peri- or epi-gynous ; disc adnate 

 to base of calyx, rarely tumid or raised into a torus or gynophore ; sta. 

 perig., usu. inserted on or beneath the outer margin of the disc: ovary 

 often inferior. 



Order 11. Resales (fl. usu. $, regular or irregular; cpls. i or more, 

 usu. quite free in bud, sometimes variously united afterwards with the 

 calyx-tube or enclosed in the swollen top of the peduncle ; styles usu. 

 distinct) : 



58. Connaraceae. 59. Leguminosae. 60. Rosaceae. 61. Saxi- 

 frageae. 62. Crassulaceae. 65. Droseraceae. 64. Hamamelideae. 

 65. Bruniaceae. 66. Halorageae. 



Order 12. Myrtales (fl. regular or sub-regular, usu. ?; ovary syn- 

 carpous, usu. inferior ; style undivided, or very rarely styles free ; 

 placentae axile or apical, rarely basal ; 1. simple, usu. quite entire, 

 rarely 3-foliolate in fam. 68) : 



492 



