DICOTYLEDONS. — SAXiFRAGi:.^. Suocifragci, 255 



1. A. graveolem, stem leaves with their leaflets wedge-shaped, 

 * stem furrowed, umbels frequently sessile, p. ^'a.—Salt marskes. 



2. A. Petroselinum, leaves of the'stem with their leaflets linear, 

 umbels all pedunculate, p. 93.— JValls and mariiime rocks. 



28. ^GOPODIUM. 

 Petals unequal. Stigmas simple. Fruit ovato-oblong, ribbed. 

 1 . M. Podagraria. p. 95.—lVasie places. 



Order XXXIX. SAXIFRAGE.E. Jus.^. 



Cahjx superior or inferior, 4— .S -deft. Cor. perigynous, of 4—5 

 petals; sometimes wanting. Stamens S— 10, half opposite, 

 half alternate with the petals. Ovary 1. Styles 2- 5. Disk - 

 encircling tlie mouth of the calyx. Capsule, or Berry, many- 

 seeded. Embryo in the axis of a fleshy albumen. 



Herhs. Flowers usually alternate, sometimes opposite. Mlrh. 

 1 . SAXIFRAGA. 



Cal. adherent or free, the limb 5- partite. Cor. of 5 petals. Stam. 

 10. Caps, with 2 beaks, 2-celled, many-seeded, opening be- 

 tween the beaks. 



* Leaves all radical undivided. 



1 . S. stellaris, leaves oblongo-cuneiform angulato-serrate, scape 

 branched, petals oblong acute, capsule superior, p. 128. — 

 Rivnlets. 



2. S. nivalis, leaves obovate su])petiolate acutely crenate, scape . 

 (rarely branched) terminated by a dense cluster of flowers, cap- 

 sule half inferior, p. 129. — Moimtains. 



3. S. umbrosa, leaves obovate petiolate subretuse with cartilagi- 

 nous acutely crenate margins, scape panicled, capsule superior. 

 p. \29. —JFoods. 



** Stem leafy, leaves undivided. 



4. S. oppositi folia, leaves ovate opposite imbricated ciliated, 

 flowers solitary terminal, p. 129. — Rocky places. 



5. S. aizoides, lower leaves numerous crowded, the rest scattered 

 linear-lanceolate sub-ciliate, stem ascending, p. 129. — Springy 

 places. 



*** Stem leafy, leaves variously divided {especially the radical ones). 



C. S. gram/ lata, radical leaves reniform on long footstalks ob- 

 tusely lobed, those of the upper part of the stem nearly sessile 

 acutely lobed, stem panicled, root granulated. /). 129. — Banks. 



