150 SUMMER FLOWERS. 



(60) Radiola — sepals four, connected below, deeply trifid ; petals, 



stamens, and styles, four each ; capsule eight-celled, eight- 

 valved. 



14. Geraniaceous Plants. Geraniace^. 



(61) Geranium — perfect stamens ten, the five alternate ones 



shorter. 



(62) Erodium — perfect stamens five, with five rudimentary ones 



alternating with them. 



15. Hypericaceous Plants. HypERiciNEiE. 



(63) Hypericum — capsule three- to five-celled, many-seeded. 



16. Malvaceous Plants. Malvaceae. 

 * Outer hracts three, distinct, hiserted on the calyx. 



(64) Malva — styles numerous ; capsule orbicular, many-celled, 



the cells one-seeded. 



** Outer hracts united at the base into an involucre surround- 

 ing the proper calyx. 



(65) Althaea — styles numerous ; involucre 5-9-lobed ; capsule 



orbicular, many- celled, the cells one-seeded. 

 (Q&) Lavatera — styles numerous ; involucre three-lobed ; cap- 

 sule orbicular, many-celled, the cells one- seeded. 



17. Tiliaceous Plants. Tiliace^. 



(67) Tilia — ovary five-celled, the cells with two ovules attached 



at the inner angle ; fruit a small 1-2-seeded globular nut. 



18. Balsaminaceous Plants. Balsaminace^e. 



(68) Impatiens — ovary five-celled, with several ovules in each 



cell; capsule bursting elastically into five valves, which 

 roll inwards scattering the seeds. 



