350 



CISTACE.E. 



[Hypogynous Exogens. 



Theads except in its indefinite stamens. An anonymous wTiter in the LinncBa, whose 

 views are often judicious, would place the Rock Roses in tlie neighboui'hood of Mesem- 

 bryaceae, Nyctaginaceee, and Polygonacese, and next Portulacaceae : an opinion evidently 

 formed upon the supposed importance of a cm'ved embryo and mealy albumen. 



South Europe and the north of Africa are the countries that Rock Roses chiefly inhabit. 

 They are rare in North America, extremely uncommon in South America, and scarcely 

 known ui Asia. 



The species have no marked properties, except that the resinous balsamic substance, 

 called Ladanmn, is obtained from Cistus creticus, and others ; it has been much 

 esteemed as a stimulant and emmenagogue ; it has also been recommended ua clu'onic 

 catarrh. Helianthemum vulgare had once some reputation as a vuhierary, but it is now 

 forgotten. The trmik of Coclilospermum Gossj-pium yields the gum Kuteera, which in 

 the north- west era pro^dnces of India is substituted for Tragacanth. — Royle. A decoc- 

 tion of the roots of Coclilospermum insigne, called in Brazil Butua do cm'vo, is em- 

 ployed in internal pains, especially such as are produced by falls or accidents ; it is also 

 asserted to heal abscesses ah-eady commenced^ C. tinctorium is used in cases of 

 amenorrhoea, and also as a yellow dye. 



GENERA. 



Fumana, Spach. 

 Cistus, Tournef. 



Halimiiim, Dunal. 



Ladanium, Spach. 



Rhodocistus, Spach. 



Erythrocistus, Dunal. 



Ledonia, Spach. 



Steplianocarpus, Spch. 

 Helianthemum, Tournef. 

 Brachypctalum, Dun. 

 Aphananthemiim, Sph. 

 Eriocarpum, Dun. 

 Pseudocistus , Dun. 

 Rhodax, Spach. 



Argyrolepis, Spach. 

 Tuberaria, Dun. 

 Lecheoides, Dun. 

 Crocanthemum, Spach. 

 Heteromeris, Spach. 

 Trichasterophyll urn, 

 Willd. 



Lechea, LinJi, 



Lechidium, Spach. 

 Hudsonia, Limi. 

 Taeniostoma, Spach. 

 Cochlospermum, Kunth. 



Wittelshachia, Mart. 



Maximiliania, Schk. 



Numbers. Gen. 7. Sp. 185. 



Sterculiacece. 

 Position. — Brassicacese. — Cistace^. — Capparidaceee. 

 HypericacecB. 



