DIDYNAMIA ANGIOSPERMIA. 



( 1 ONOPHOLis. Calyx irregularly 5-cleft, with 2 bractlets at base. 

 Corolla ventricose below, unequally 5-lobed and ringent, upper lip 

 arched. Stamens exserted. ORD. LX. OBOBANCHACEAE. p. 181. 



APHYLLON. Calyx regularly 6-cleft, without bractlets. Corolla- 

 tube longish, and a little curved; limb sub-bilabiate, upper lip 

 deeply bifid, lower 3-lobed. Stamens included. OED. LX. OROBAN- 



CHACEAE.J3. 181. 



CLASS XIV. TETRADYIVAMIA. 



JKif The Genera belonging to this Class will all be found in the natural ORDER X. 



CLASS XV. MOIVADELPHIA. 

 Order 1. Triandria. 



[Sisyrinchium. ORD. CVIII. IRIDACEAE.^J.SIS.] 



Order 2. Pentandria. 



[Lobelia. ORD. LII. LOBELIACEAE. p. 163.] 



Order 3. Dccandria. 



GERANIUM. Sepals 5, imbricated. Petals 5, convolute, deciduous. 

 Pistils 5 ; styles cohering round a central axis, from which they 

 separate at maturity by curving up from the base. Carpels 1-seeded. 

 ORD. XXI. GERANIACEAK p. 39. 



OXALIS. Sepals 5. Petals 5, marcescent. Styles free. Capsule 

 oblong, 5-angled, 5-celled, opening at the angles. Seeds few in each 

 cell, loosely coated. ORD. XXII. OXALIDACEAE. p. 40. 



Order 4. Polyandria. 



4=" For the Genera belonging here, see ORD. XVIII. MALVACEAE, p. 35. 



CLASS XVI. DIADELPIIIA. 

 Order 1. Hexandria. 



JKgThe Genera of this Order will be found in the natural ORDER IX. FUHARI* 



ACEAE.2> 14. 



Order 2. Octandria. 



POLYGALA. Sepals 5, irregular, the 3 outer ones smaller, braci- 

 like, the 2 inner ones larger (called wings], petal-like. Petals 3 to 

 f>, somewhat cohering, united with the stamens, the lower one 

 keel-form, and often crested on the back. Capsule compressed. 

 Seeds with an arillus-like caruncle. ORD. XXXIII. POLYGALACEAE. 

 p. 61. 



Order 3. Dccaiidria. 



J9SFor the Genera belonging here, See ORD. XXXIV. LEGUMINOSAB.^.SS. 



CLASS XVII. SYNGENESIA. 



JK^The Genera of this Class all belong to ORD. LI. COMPOSITAE..P. 121. 



CLASS XVIII. <; YX AXimi A. 

 Orders 1. and 3. Monandria, and IMandria. 



Genera, belonging to these two Orders, will be found, in ORD. CV 

 ORCHIDACEAE. p. 307. 



B 



