CLASS X. ORDER V. St 



Order V. Pentagynia. 



Sedum. Calyx inferior 5-cleft : petals 5 : 5 

 nectariferous scales at the base of the germ : cap- 

 sules 5. 13. 83 — tek/ihiunij (liveforever, or orpine) 

 leaves tooth-serrate, stem erect, corymb leafy, j^. 

 e»-^fiortulaccoide8j creeping, leaves round-spatu- 

 late. >2 . w-e anacamfiseros, (stone crop) decum- 

 bent, leaves wedge-form. e. 



Penthorum. Calyx 5-10-cleft : petals 5 or : 

 capsule 5-cuspidate, Scelled. 13. 83 — sedoides, 

 (Virginia orpine) stem angular, leaves serrate, al- 

 ternate. 2/. y. 



OxALis. Calyx 5-leaved inferior : petals 5, co- 

 hering by the claws; capsule 5-celled, 5-cornered, 

 dehiscent at the corners : stamens, with 5 shorter : 

 outer ones adhering at their bases. 14. 72,-^viola- 

 cea, (wood sorrel) stemless, scape 2-cIeft, umbel- 

 led. 2/. p. — acetoselluy stemless, scape 1 -flowered, 

 root granular. IJ. , w-p — dillenii, stem erect, pedun- 

 cles as long as leaves. (2)» y. — sMcta, stem erect, 

 peduncles shorter than the leaves, y. — corniculata, 

 stem decumbent, rooting. 0. y. 



SpERGULA. Calyx 5-leaved inferior: petals 5, 

 entire : capsule ovate 1 -celled, 5-valved. (Sta- 

 mens often 5.) 22. 82 — arvensts^ (coin-spurry) 

 leaves in whorls, peduncles refiexed in maturity, 

 seed kidney-form. ©. w. — saginoidesy leaves oppo- 

 site, linear, smooth, awnless, stem decumbent, 

 flowers pentandrous. Persoon asks whether this 

 is not a variety of sagina firocumbens. Professor 

 Ives considers all the American species oi sfiergula 

 and sagina^ as a natural assemblage of plants, which 

 ought to be united in one genus. 



Agrostemma. Calyx 1 -leaved coriaceous : pe- 

 tals 5 with claws, border obtuse, entire : capsule 1- 

 celled, many-seeded. 22. 82 — githago, (cockle) 

 bristly, petals entire, (x). r — coronaria^ (rose-coc- 

 kle) downy, petals emarginate. % , r. 



