DKCANDRIA DECAGYNIA. 361 



210. TIARELLA. Calyx 5-parted, persistent; pet. 5, inserted into 

 the calyx, unguiculate ; caps. 1 -celled, 2- valved; valves unequal. 



211. MITELLA. Calyx 5-cleft, persistent; pet. 5, pinnatifid. inserted 

 into the calyx ; caps. I celled, 2-valved ; valves equal. 



212. SAPONARIA. Calyx 1-leaved, tubular, 5-toothed, naked at the 

 base; pet. 5, unguiculate; caps, oblong, 1 -celled. 



213. SCLERANTHUS. Calyx 1-leaved, 5-cleft; cor. 0; stamen in 

 serted into the calyx ; caps. 1-seeded, covered by the calyx. 



TRIGYNIA. 



214. CUCUBALUS. Calyx 1-leaved, inflated, 5-toothed; petals 5, 

 unguiculate, naked at the orifice ; cap*. 3-celled. 



215. SIJL.ENE. Calyx 1-leaved, tubular or conic, 5-toothed ; pet. 5, un- 

 guiculate, mostly crowned at the orifice; caps. 3-celled, 6-toothed, 

 many-seeded. 



216. STELLARIA. Calyx 5-leaved ; pet. 5, deeply cleft ; caps. 1-celled, 

 opening with 6 teeth, many-seeded. 



217. ARENARIA. Calyx 5-leaved ; pet. 5, undivided ; caps. 1-celled, 

 many-seeded. 



PENTAGYNIA. 



218. SPERGULA. Calyx 5-leaved ; pet. 5, undivided ; caps, ovate, 5- 

 celled, 5-valved. 



219. CERASTIUM. Calyx 5-leaved ; pet. 5, bifid or emarginate ; caps 

 1-celled, bursting at the summit with 10 teeth. 



220. AGROSTEMMA. Calyx 1-leaved, tubular, coriaceous, 5-cleft; 

 pet. 5, unguiculate; limb obtuse, undivided; caps. 1-celled, opening 

 with 5 teeth. 



221. OXALIS. Calyx 5-parted, persistent; pet 5, slightly connected 

 at the claws ; caps, pentangular, 5-celled, bursting at the angles ; cells 

 2, or many-seeded ; seeds covered with an elastic arillus. 



222. PENT HO RUM. Calyx 5 10-cleft; pet. 5 or 0; caps. 5-pointed, 

 5-celled ; cells dividing transversely, many-seeded. 



DECAGYNIA. 



223. PHYTOLACCA. Calyx 5-cleft, petaloid: berry superior, 10- 

 celled, 10-seeded. 



