ORDER 61. SAXIFRAGES. 



5-10 stamens inserted on the calyx; the 



styles 2, distinct, with their 



2 ovaries more or less united below, and 



either free or adhering to calyx ; 

 vod-s capsular, many-seeded ; 

 timlryo slender, in albumen. 



481 



4T5 476 



Fig. 475. Section of flower of Early Saxifrage 

 (Class Book, page 371). Fig. 476. Ovary and pistils, 

 cut across to show the two cells. Fig. 477. Mitella 

 diphylla; 8, a flower, magnified: 9, the fruit pods 

 open, showing the black seeds. Fig. 480. Cross-sec- 

 tion of the ovary; 1, seed cat open, showing the long 

 embryo. 



Analysis of the Genera. 



Herbs. Petals imbricated in the bud a 



| Shrubs. Petals valvate or convolute (twisted) in bud. . . .e 



a Flowers with 10 stamens b 



a Flowers with 5 stamens d 



b Petals 4r-6, usually 5, entire o 



b Petals 5, all pinnatifid. Stamens 10. Mitrewort. MITEI/LA 1 



b Petals 0. Low, prostrate, in wet places. Water Carpet. CHRYSOSPLE'NIUM. 



c Pods 2-celled. Leaves simple, mostly radical. Saxifrage. SAXIF'RAGA. 5 



c Pods 2-celled. Leaves bi-ternately compound, cauline. S ASTIL'BE. 



c Pods 1-ceiled. Leaves palmately lobed. False Mitrewort. TIARKI/LA. 2 



d Styles 2, pod 2-celled. Scape reclined, 8-12' Iong4 W. SULLIVAN'TIA. 



d Styles 2, pod 1 -celled. Scape erect, .a foot or more. M. W. HEU'CHERA. 



J Styles 3, pod 1 -celled. Herb in tufts \' high. 8. LEPUKOPET'ALON. 



e Leaves opposite, simple. . . .f 



Leaves alternate. Shrub 4-Sf. erect. Racemes white. 

 i bhrub climbing trees, &c. Flowers white, fragrant. 8. 



Shrubs erect. Cymes not radiate all the flowers perfect. 

 f Shrubs erect. Cymes radiate. Stamens 8-10. 



1. MITEL'LA. Mitrewort. 

 Calyx 6-cleft, bell-shaped. Petals 5, pinnatifid with linear divisions, 



M. 8. ITE'A. 



DECUMA'RIA. 

 PHILADEL'PHUS. * 

 HYDRAN'GEA. 4 



