210 DODECANDRIA MOXOGYNIA. [_CL. XI. 



3. 5. saginoides. Smooth Awl-shaped Spurrey. Leaves awl-shaped, 

 awnless, smooth ; flower-stalks solitary, smooth, much longer than the 



leaves. Root fibrous : the whole plant smooth : stems decumbent 



at the base, jointed : leaves united at the base : flowers white : seeds not 

 bordered. Perennial : flowers in June : grows on the higher mountain-; 

 in Scotland: frequent. Eng. Bot. vol. xxx. pi. 2105. Eng. Fl. vol. ii. 

 p. 339. 721. 



4. S. subuliita. Fringed Awl-shaped Spurrey. Leaves opposite, awl- 

 shaped, awned, fringed ; flower-stalks solitary, much longer than the 



leaves, slightly hairy. Leaves terminated by a long bristle: seeds 



encircled by a black line. Perennial : flowers in July and August : 

 grows on sandy heaths : frequent. Perhaps a variety of the preceding. 

 Eng. Bot. vol. xvi. pi. 1082. Eng. Fl. vol. ii. p. 339. 722. 



CLASS XI. DODECANDRIA. 



Plants bearing Flowers with Twelve Stamens. 



Order I. MONOGYNIA. One Pistil. 



1. A'SARUM. Corolla none. Calyx three-cleft, superior. Capsule 



six-celled. 



2. LYTHRUM. Petals six. Calyx twelve-cleft, inferior. 



Order II. DIGYNIA. Two Pistils. 



3. AGRIMO'NIA. Petals five. Calyx five-cleft. Seeds in the bottom 



of the hardened calyx. 



Order III. TRIGYNIA. Three Pistils. 



4. RE'SEDA. Petals in many segments. Capsule, one-celled, gaping. 



Order IV. TETRAGYNIA. Four Pistils. 



(Tormentilla officinaiis. Cl. XII.) 



Order V. DODECAGYNIA. Twelve Pistils. 



5. SEMPERVI'VUM. Petals twelve. Calyx with twelve divisions. 



Capsules twelve. 



DODECANDRIA. MONOGYNIA. 



1. A'SARUM. ASARABACCA. 



Calyx superior, of one leaf, bell-shaped, leathery, coloured, per- 

 manent, in three deep segments. Corolla none. Filaments awl- 

 shaped, half the length of the calyx ; anthers adnate, of two 

 round, separated cells. Germen interior, turbinate. Style thick, 

 furrowed, nearly as long as the stamens; stigma six-cleft, with 

 recurved segments. Capsule leathery, six-celled, not bursting. 

 Seeds several in each cell, inversely egg-shaped. Named from a, 



