SYNOPSIS OF GENERA. XV 



Brachypodium. Spikelets alternate, remote, cylindrical- compressed. 

 Cal. 2-valved, many-flowered ; valves opposite, transverse, unequal. Cor. 

 2-valved, the valves lanceolate ; ext. one generally awned at the extremity ; 

 int. retuse. p. 316. 



Lolium. Cal. of 1 principal valve, opposite to the stalk, fixed, many- 

 flowered, p. 316. 



Rottbollia. Cal. of 2 parallel, sometimes combined valves, opposite 

 to the stalk, imperfectly 2-flowered. p. 317. 



Order III. Trigynia. Pistils 3. 



Montia. Cal. of 2 leaves. Cor. monopetalous. Caps, with 3 valves 

 and 3 seeds. Portulacece, p. 59. 



Class IV. Tetrandria. Stame?is 4, equal. 



Order I. Monogynia. Pistil 1. 



* Fl. monopetalous, superior, single-seeded. 



Dipsactjs. Common Cal. of many leaves. Proper Cal. single, superior, 

 of 1 leaf, cup-shaped, crowning the seed. Dipsacea, p. 141. 



Knautia. Involucre many-leaved. Cal. double ; ext. minute ; int. 

 cup-shaped. Fruit upon a short stalk, compressed, with 4 pores on depressed 

 points. Dipsacece, p. 142. 



Scabiosa. Com. Cal. of many leaves. Prop. Cal. double, superior, 

 crowning the seed. Dipsacece, p. 141. 



* * Fl. monopetalous, superior, 2-seeded. 



Rubia. Cor. bell-shaped. Fruit pulpy. Stellatce, p. 132. 



Galium. Cor. flat. Fruit dry. Stellatce, p. 129. 



Asperula. Cor. tubular. Fruit without a crown. Stellatce, p. 132. 



Sherardia. Cor. tubular. Fruit crowned with the calyx, each seed with 

 3 teeth. Stellatce, p. 132. 



* * * Fl. monopetalous, inferior. 



Exactjm. Cor. salver-shaped, spreading. Stam. shorter than the limb. 

 Caps, with 2 valves, separating at the top, many-seeded. Gentianece, p. 185. 



Piantago. Cor. refleved. Stam. very long. Caps, bursting all round, 

 of 2 or 4 cells. Plantaginece, p. 175. 



Centuncuj-us. Cor. tubular, spreading. Stam. within the tube. Caps. 

 bursting all round, of 1 cell. Primulacece, p. 192. 



Some Gentianece. 



* * * * Petals 4. 



Cornits. Nect. 0. Drupe inferior. Nut of 2 cells. Caprifoliacea, 

 p. 135. 



(See Euonymns in CI. V. Cardamine and Coronopus, in CI. xv.) 



* # * * # Petals wanting. 



Parietaria. Cal. 4-cleft, inferior. Stam. elastic. Seed invested with 

 the elongated calyx. Some flowers without stamens, their calyx remaining 

 unaltered. Uticece, p. 232. 



