DICOTYLEDONS. SAXiFRAG.gE. Savifraga. 255 



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

 stem furrowed, umbels frequently sessile, p. 95. Salt marshes. 



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

 umbels all pedunculate, p. 95. Walls and maritime rocks. 



28. ^EGOPODIUM. 



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

 1 . M. Podagraria. p. 95. Waste places. 



ORDER XXXIX. SAXIFRAGES. Juss. 



Calyx superior or inferior, 4 5 -cleft. Cor. perigynous, of 4 5 

 petals; sometimes wanting. Stamens 8 10, half opposite., 

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

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

 seeded. Embryo in the axis of a fleshy albumen. 



Herbs. Flowers usually alternate, sometimes opposite. Mir I. 

 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. stellar is y leaves oblongo-cuneiform angulato-serrate, scape 

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

 Rivulets. 



2. S. nivalis, leaves obovate subpetiolate acutely crenate, scape 

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

 sule half inferior, p. 129. Mountains. 



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

 nous acutely crenate margins, scape panicled, capsule superior. 

 p. \29.-Woods. 



** Stem leafy, leaves undivided. 



4. S. oppositifolia, 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) . 

 (5. S. granulata, 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, p. 129. Banks. 



