50 14. CAKYOl'HYLLACE-E. 



1. ELA'TINE Linn. "Waterwort. 



1. E. hexan'dra (DC.) ; 1. opposite longer than their petiole**, 

 fi. slightly stalked with 6 stain, and 3 obovate pet., caps, turbi- 

 nate concave at the summit 3-celled, seeds nearly straight as- 

 cending 812 in each cell. E. B. 955. R. I. f. 599. E. Hy- 

 dropiper and E. tripetala (Sm.). Plant minute, creeping. Fl. 

 alternate, axillary. Cal. 3-fid. Forming small matted tufts 

 under water, rare. A. VIII. E. S. I. 



2. E. HydrojAper (L.) ; 1. opposite shorter than their petioles, 

 fl. sessile with 8 stam. and 4 ovate pet., caps, roundish depressed 

 4-celled, seeds bent almost double pendulous 4 in each cell. 

 E. B. S. 2670. Plant minute, creeping. Cal. 4-fid. Very rare, 

 growing under water. A. VIII. E.I. 



Order XIV. CABYOPHYLLACE^E. 



Sep. 5 or 4, distinct or connected into a tube. Pet. 5 or 4, 

 clawed (rarely 0). Stam. usually twice as many, sometimes as 

 many as the petals, free or connected at the base. Anth. opening 

 longitudinally. Ovary one, often stalked. Stigmas 2 5, sessile, 

 filiform. Caps. 1- or imperfectly 2 5-celled, opening by twice 

 as many teeth as stigmas, sometimes valvular. Placenta cen- 

 tral. Embryo generally curved round mealy albumen. L. 

 opposite, without or rarely with scarious stipules. 



Suborder I. SILENE^E. 



Sep. connate, forming a tube. Stam. 10. Filaments con- 

 nate into a tube below and adnate to the stalk of the ovary. 

 Caps, usually stalked. Pet. 5, clawed in all our plants. No 

 stipules 



* Two or more imbricated opposite scales at the base of 

 the calyx. 



1. DIANTHUS. Cal. 5-toothed. Styles 2. Caps. 1 -celled, 

 many-seeded, 4-valved at top. Seeds peltate, convex 

 above, concave beneath and more or less keeled. 



** No scales at the base of the calyx. 



2. SAPONARIA. Cal. 5-toothed, terete. Styles 2. Caps. 

 1-celled, 4-valved at top. Seeds globular or reniform. 



[3. CUCUBALUS. Cal. 5-toothed. Styles 3. Caps, a ylobose 

 1-celled berry. Seeds reniform.] 



