SYNOPSIS OF THE GENERA. 



15. MoE'HRiNGiA, [Page 639.] Calyx of four or five pieces 



Petals four or five, entire, or slightly notched. Stamens 

 eight or ten. Styles two or three. Capsule four or six 

 valved. Seeds numerous, with an arilliforra appendage. 



16. Stella'ria, [Page 640.] Calyx of five pieces. Petals 



five, deeply cloven. Stamens ten, some of which are occa- 

 sionally abortive. Styles three. Capsule opening with 

 six teeth at the apex. Seeds numerous. 

 (See Polygonum in Class 8.) 



Order IV. Pentagynia. — 5 Styles. 

 * Calyx of Jive pieces. 



17. Mala'chium, [Page 648.] Calyx of five pieces. Petals 



five, bi-partite or emarginate. Stamens ten. Capsules of 

 five valves, the valves at the end bifid. 



18. Ceras'tium, [Page 649.] Calyx of five pieces. Petals 



five, bi-partite or emarginate. Stamens ten. Capsules 

 bursting at the top with ten teeth. 



19. Sper'gula, [Page 655.] Ca/?/^ of five pieces. Petals hve, 



entire. Stamens ten, or by abortion five. Styles five. 

 Capsule of five valves, many seeded. 



20. Oxa'lis, [Page 658.] Calyx of five pieces. Petals five, 



often united at the base. Stamens ten. Pit ments often 

 slightly united at the base, the five outer ones shorter. 

 Styles five. Capsule five angled, five or ten valved, five 

 celled. Seeds with a fleshy arillus. 



21. Se'dum, [Page 661. Calyx of five pieces, often united at 



the base. Petals five, spreading. Stamens ten. Ovaries 

 five, each with a nectariferous scale at the base. 



22. Umbili'cus, [Page 668 ] Calyx of five pieces, united a 



the base. Corolla monopetalous, tubular, five-cleft. 

 Stamens ten, inserted into the corolla. Ovaries five, each 

 with a nectariferous scale at the base. Styles subulate. 



** Calyx of one piece, tubular. 



23. Agrostem'MA, [Page 670.] Calyx of one piece, tubular, 



coriaceous, with five foliaceous segments. Petals five, 

 clawed. Capsule of one cell, opening with five teeth at the 

 apex. 



24. Lych'nis, [Page 671.] Calyx of one piece, tabular, five- 



toothed. Petals five, with scales at the throat. Capsule 



