20 TRIANDRIA — MONOGYNIA. \_Valeriana. 



hfs unilateral. Cal. of 2 opposite, lanceolate, compressed, im« 

 equal, acnniiiiate valves, one-flowered. Cor. of two compressed, 

 unequal, lanceolate valves. Styles united lialf-vvay up. — Name 

 derived from its similarity to the Lycjenm Sj)artiim, or Bastard 

 JSJat-ivced. Esparto is a name given to Slipa tenacissima by the 

 Spaniards, who make ropes, &c. of'lt. 



51. Cynodon. (Tab. II. f. 40.) ^*7;?7,'e5 digitate or racemose. 

 Spihelets unilateral. Cat. 1 -flowered, of 2 nearly equal, patent, 

 boat-shaped valves. Cor. of two awnlcss valves ; ext. boat- 

 shaped, compressed. Fruit coated with the hardened cor.'— 

 Named from y.vuv a dog, and ohoxjr, a tooth. 



52. DiGiTARiA. (Tab. II. f. 41.) Spikes compound. Spike- 

 Its unilateral. Cal. 1 -flowered, of 2 — 3 very unequal, close- 

 pressed, awnless valves ; ext. very small. Cor, of 2 awnless 

 valves; ext. convex, embracing the flattened int. one. Fruit 

 coated with the hardened cor Named from digitus, ajinger. 



ORD. III. TRIGYNIA. 3 Styles. 



53. MoNTiA. Co/, of leaves. C«9r. of 5 irregular />?/«/*• united 

 at the base into one. Caps. 3-valyed, 3-seeded. — Nat. Ord. Por- 

 TL'L.\CE/E. Juss. — Named in honour o^ Joseph de 3Ionti, a Pro- 

 fessor of Botany and Nat. History at Rologna. 



54. HoLoSTKUM. Cal. of 5 leaves. Pe/. 5, jagged at the point. 

 Caps. 1-celled, opening at the extremity with 6 teeth. Seeds 

 furrowed on one side, dotted. F))ihryo folded — Nat. Ord. 

 Carvophvllk.t;, Juss. — Named from oXo:, all, and oeriov, bo7ie, 

 by antipluasis, the texture being the very reverse, soft and 

 delicate. 



55. PoLYCARPON. Cal. of 5 leaves. Pet. 5, emarginate. Stam. 

 3 — 5. Cc/jjs. I-celled, 3-valvod, many-seeded. — N'at. Ord. Paro- 

 NVCiiJE^:, St Hil. — Named from rroXv, many, and ■/.ao'TTor, fruit ; 

 applied by the ancients to the Polygonum aviculare, to which 

 the present genus is somewhat similar. 



TRIANDRIA MONOGYNIA. 



1. Valeriaxa. Linn. Valerian. 



1. * V. rubra, L. (red Valerian) ; corolla with a long spur, sta- 

 men 1, leaves ovato-lanceolate. E. Bot.t. 1532. — Centranthus^ 

 DC. 



Chalk-pits iind nlil walls in Kent, &c. Its native country is the south 

 of Europe. I'l. June — Sept. 1^ . — One foot or more high, glabrous, 

 gomewliat glaucous. Leaves, as in all the species of this and the fol- 

 lowing genus, opposite, entire or slightly toothed. Flowers fine deep 

 rose colour, arranged in numerous unilateral cymose spikes. 



2. V. dioica, L. (small marsh Vcderian) ; flowers dioecious, 

 corolla gibbous at the base, root-leaves ovato-spathulate, those 

 4)f the stem lyrato-piniuttifid. E. Bat. t. 628. 



