COROLLIFLORiE. 



263 



Sub-Class III. COROLLIFLOK^E. (Okd. L.— LXVIII.) 



Corolla mo7iopetalous^ hjpogynous (insei^ted upon the receptacle^ 

 at the hase of the ovary ^ which is thitsfree^ not adnate ivith the 



calyx.) 



Conspectus of the Orders. 



A. Stamens free from the corolla, distinct. 



[36. Crassulace.e. Styles several. Ovary of distinct pieces or carpels.] 



50. Ericace^. Style 1. Cor. petaloid : petals lirmly cohering. Stam. 



8—10. Seed-coat close to the nucleus. Plants shrubby. 



51. PYROLACE.E. Style 1. Cor. petaloid: petals very slightly cohering 



at the base, easily separated. Stam 10. Seed-coat chaffy. Plants 



herbaceous. 

 G8. Plaxtaginace^. Style 1. Cor. membranaceous. Stamens 4, 



(Flowers moncecious.) 



B. Stamens inserted upon the corolla, distinct. 

 * Style basilar. Ovary ^-partite. Albumen 0, or in small quantity. 



59, Boraginace^e. Flowers usually regular. Stamens 5. Leaves 



alternate. 

 63. Labiat.e. Flowers usually irregular. Stamens 2—4. Leaves 



opposite. 



** Cor. scariose. Style terminal. Ovary entire. 



68. Plantagixace.e. Cor. tubular; limb equal, 4-partite. Stamens 4 



very long. 



*** Cor. coloured {petaloid). Style terminal. Ovary entire, 1-celled. 



67. Plumbaginace^. Calyx tubular. Styles 5. Ovule solitary. 



[33. PoRTUi.ACACE^. Seplils 2, distinct. Styles 3. Ovules 3.] 



%. Primula GE.T5. Cor. i*egular. Stamens opposite the lobes of the cor. 



and as many, equal. Style 1. 

 65. LentirulauiacEvE. Cor. irregular. Stam. 2. Style 1- Ovary with 



a free central placenta. 

 62. Scrophulariace^. Cor, nearly regular, Stam, 4, fewer than the 



lobes of the cor., and alternating. Style 1. Placentas axile, 

 Gl. ORonANciiACE.E. Cor, irregular. Stam. 4, didynamous. Style 1. 



Placentas parietal. 

 56. Gentianace^. Cor, regular. Stam. alternate with the lobes of the 



cor., and as many. Style 1 — 2. Placentas parietal. Seeds very 



numerous. 

 58. CoNvoLvuLACEA^. Cor. regular. Stam. alternate with the lobes of 



the cor., and as many. Style 1. Placentas basilar. Seeds very 



few. 



**** Cor. coloured. Stam, distinct. Style terminal. Ovary entire or 



slightly 2-lobed, with two or more cells. 



t Ovules solitary in each cell, or in pairs and collateral, 



58, Convolvulace.e. Cor. regular, 4— 5-lobed. Stam. 4—5. Style or 



styles evident. Leaves alternate or none. 



