100 DODECANDRIA MONOGYNIA. [CI. 11. 



2-44. SPeRGULA. Spurrey. 



1. S. arvensis, 22. 1535. (Corn S.) Leaves whorled. Stalks when 



in fruit reflexed. 

 Sandy corn-fields. 0.7, 8. Hairy and rather viscid. L. linear. 



Cal. membr. 

 /3. S. pentandra, 22. 1536. Stamens five. Seed smooth. 



2. S. nodosa, 10. 694. (Knotted S.) Leaves opposite, awl-shaped, 



smooth ; upper ones clustered. Calyx without ribs. 

 Moist sandy gr. % . 7, 8. Stems spread. 3 — 6 in. Fl. large, of a 

 brill, white. 



3. S. saginoides, 30. 2105. (Smooth S.) Leaves opposite, awl-shaped, 



almost pointless, naked. Flower-stalks solitary, smooth, much 

 longer than the leaves. 

 Scott, mount. If. . 6. Smooth, 2 — 3 in. decumb. Pet. short, white. 



4. S. subnldta, 16. 1082. (Fringed S.) Leaves opposite, awl- 



shaped, bristle-pointed, fringed. Flower-stalks solitary, much 

 longer than the leaves, slightly hairy. 

 Sandy heaths. If. . 7, 8. Hairs glandul. Pet. wh., as long as the cal. 



Class XL DODECANDRIA. 



Stamens 12 — 19. 



Order I. MONOGYNIA. Style 1. 



245. AS ARUM. Cor. 0. Cal. 3-cleft, superior. Caps, of 6 cells. 



— N.O. ARISTOLOCHIEiE. 



246. LYTHRUM. Pet. 6. Cal. 12-cleft, inferior.— N.O. Ly- 



THRARI^E. 



Order II. DIGYNIA. Styles 2. 



247. AGRIMoNIA. Pet. 5, borne by the calyx. Seeds in the 



bottom of the hardened calyx. — N.O. Rosacea. 



Order III. TRIGYNIA. Styles 3. 



248. RESEDA. Pet. in many segments. Caps, of 1 cell, gaping. 



— N.O. Resedace^e. 



(TETRAGYNIA. Styles 4.) 



Tormentilla 1. 



Order IV. DODECAGYNIA. Styles 12. 



249. SEMPERVlVUM. Pet. 12. Cal. in 12 deep segments. 



Caps. 12. — N.O. Crassulace^e. 



