61 



* iEONIUM omentum. 



Bleeding Stoneleek. 



DEC AN DMA DEC A G YNIA . 

 Nat. ord. Crassulace^e. 



MON1UM. Calyx campanulatus, cyathiformis, aut turbinatus, apice 

 6-12-dentatus, aut medium usque 6-12-fidus. Petala totidem quot calycis 

 laciniae, perigyna, stamina superantia ad apicem disci hypogyni inserta, basi 

 in annulum cum filameutis coalita, sestivatione imbricata, apice contorta. 

 Stamina petalorum numero dupla, breviora petalis opposita. Filamenta fili- 

 formia, aut magis minusve dilatata. Antherce ovatae, aut rotundato-ovatse, 

 obtusee, acutiusculse, aut apiculatee, sacculis confluentibus, lateraliter dehis- 

 ceutibus, post emissionem pollinis revolutis. Squamce perigynee nulla?, vel 

 quadratee, claviformes aut obcordatse, apice integral aut obsolete crenatse, 

 erectse, ovariis applicatse. Ovaria petalis numero sequalia, intus recta aut 

 subincurva, acuta, basi receptaculo immersa. Styli 3-quetri, extus leviter 

 incurvi. Stigmata acuta, demum papillato-capitata. Cocca follicularia in- 

 dehiscentia, aut demum basi et dorso per disruptionem dehiscentia. Placentae 

 filiformes, ad marginem interiorem cocci, aut crassse per medium valvarum 

 curvatee. Semina elongato-ovata, aut oblique subpyriformia. Embryo ovatus 



obesus. Cotyledones ovatae, sessiles. Radicida brevissima obtusa. Suf- 



frutices ramosi, aut herbee basi lignescentes propagines emittentes. Folia rosu- 

 lata, crassa, subtus convexa, vel gibba, margine pilosa cartilagineo-ciliata, aut 

 papillata. Paniculse cymosce, aut thyrsoideoe. Flores lutei, vel fulvi, raris- 

 simc rosei. Pedicelli in prcefloratione nutantes. Inflorescentia centrifuga. 

 Webb Hist. Nat. Canar. p 184. 



M cruentum ; caule fruticoso erecto, ramis rectis puniceo-cruentatis glandu- 

 loso-puberulis, paniculis cymosis, foliis cuneato-spathulatis glaberrimis 

 crassis in petiolum attenuatis margine papillosis supra viridibus subca- 

 naliculatis subtus convexiusculis lineolis sanguineis notatis, floribus 

 parvis 6-8 meris, antheris muticis, coccis brevibus antice subrectis dorso 

 planis. Webb Phytogr. Canar. p. 186. t. 28. 



No one who has studied this order critically will deny that 

 the distinctions of the old genera Sedum and Sempervivum 

 are unsatisfactory, in consequence of the uncertainty in the 



* Among the synonymes adduced by Dioscorides to his ai(u)<>r /*ey«, 

 the Sempervivum arboreum, occurs the word aiunoy, which Mr. Webb has 

 adopted for the present genus. 



