gAXIFRAOACEJE. 97 



Orper Lll. SAXlFRAGACEiE 



Sc}>als 4-5, united or distinct. Petals as many as the sepals. 

 ;?' usually as man}' as iho petals, inserted with llie petals 



inio ill'- calyx. Ovary of 2-5 cnrpels either free from, or co- 

 iiering to tlie calyx, 1-celled witii parietal placenta\ or with 

 as many cells as carpels, with centrnl placentre. Ovules usu- 

 ally numerous. Fruit a capsule, and generally with a septici- 

 dal dehiscence. Sefrf^ anatropous, numerous and small. Em- 

 ^"•//o straight. 



Gexus I. SAXIFRAGA. 



Sepals 5, more or less united. Carpels 2-bcaked, 2-celIed, 

 many seeded, free or attached to the calyx, opening by a hole 

 between the beaks. 



1. S. Leucanthemitolia. 5/em \N-ith viscous hairs. Z,«ive5 spatulnte, oval, 

 attenuate iiitu a long marginal petiole, with acute and large teeth. Flowers 

 in a long dili'use much branched panicle. Calyx reflexed, persistent. Petals 

 une«iual 



\Vliitc,vario::atcci with pink and yellow. % June — Sept. Upper Dist. 

 Car. and Ga. 10-20 in. 



2. S. ViK'SiNiExsis. Stem pubescent. Leaves oblong, ovate, or spaftilatc, 

 ,-iV.AviTP :.'reauate into a broad petiole. Flowers in dense, cyniose clusters. 



erect se^nienis, obtuse. Petals oblong, obtuse. Carpeh united 

 I'j u:t. • i-e to the caUx. 



White tinged wiiii purple. % Mountains. 4-12 in. 



Glnxs II. BOYKIMA. 



Calyx turbinate, or urceolate, cohering to the ovary, 5-cIeft, 

 ■egments acute, triangular. Petals 5, entire. Stamens 5. 

 Styles 2-3, short. Capsule 2-3-celled, with a central placen- 

 ta?, many seeded, 2-beaked, dehiscent by pores Ijetween the 

 beaks. Perennial plants, with alternate, lobed, and palmately 

 round leaves. Flowers in corymbose cymes, small. 



1. B. AcoxmFOLiA. Stem glandular. Leaves 5-7-lobed, glabrous, cyme 

 filMigiate, viscid. Flowers secund. Teeth of the calyx broadly triangular, 

 8 Derved. Petals longer than the calyx, obovate, sometimes wanting. 

 While. % June — July. Mountains. 



Ge>xs III. IIEUCHERA. 



Calyx 5-parted campanulate, with obtuse segments. Petals 

 S-entire. Stamens 5. Styles 2. Capsule 1-ceIled, many 

 seeded, 2.beaked, dehiscent between the beaks. Seeds oval 

 hispid. Perennial herbs with numerous palmately veined, ra- 

 dical leaves, on long petioles. 



1. Ajujucam. Stem somewhat viscid, generally naked. Learti 7-9 lo- 

 bed, lobe« rounded, obtuse, dentate, teeth mucronate, ciiiate. Flowers oa- 

 PABT II. 9 



