CLASS XVI. ORDER I. 273 



regular; nectary fiv^e glands on the base of the longer 

 filaments; fruit beaked, separating into five one seed- 

 ed capsules. 



300. OxALis. Calyx five leaved ; petals five, con- 

 nected at base- capsules superior, five celled, five an- 

 gled, opening at the angles. 



Order YIU. POLYANDRIA. Many stamens. 



301. SiDA. Calyx simple, angular; style many 

 cleft; capsules many, one seeded. 



302. Malva. Calyx double, the outermost two or 

 three leaved; capsules numerous, one seeded, disposed 

 in a flat ring. 



303. ALTHiEA. Calyx double, the outermost from 

 six to nine cleft ; capsules numerous, one seeded, in a 

 flat ring. 



304. Hibiscus. Calyx double, the outermost many 

 leaved; capsule five celled, many seeded. 



MONADELPHIA. 

 TRIANDRIA. 



298. SISYRINCHIUM. 

 SisYRiNCHiuM ANCEPs. Blue eyed Grass. 



Stem two edged, spathe longer than the flowers, 

 petals mucronated, germs glabrous. 

 Syn. SisYPaNCHiuM graminextm. Cm-t. 



The small, delicate, blue flowers of this plant are not unfre- 

 quent among the grass in moist ground. Stem two edged, the 

 edges extending into a wide margin ; smooth, with one or two 

 branches, often a foot high. Leaves linear, grass like, sheathing 

 at base. Spathes swelling, pointed, the outermost inclosing 

 several others, each producing a flower. Peduncles filiform. 



