4-16 Mr. Haworth's Thirteenth Decade of New Succulent Plaiits. 



medium vix undulata sed pedetentim prodeuntia in 

 acumine longo ; supra, praecipue basin versus, inflexo- 

 canaliculata, subiiis obtuse carinata, carina supra me- 

 dium sensini sensimque evanescente. 



Ord. Nat. CRASSULACE^, DeCand. Prod. v. 3. ^.381. 



Tribus 1. Crassule^, DeCand. Prod. ib. 

 Genus Sedum Linn. Sfc. 



Sectio ACUTIFOLIA Nob. 



subclavatum. S. (green club-leaved) : foliis imbricatis, in ramo- 

 3. rum apicibus rosulas subformantibus subclavatis, tur- 

 gidis viridibus, apicem versus attenuatis acutis. 



Habitat in America Septentrionali. 



Rami et ramidi perennes, primo anno 3-4-entales, 

 stabiles, sed flexo-decumbentes teretesfoliorum cicatri- 

 cibus crebre et transversaliter lineolatim notati, aspe- 

 riusculi. Folia breviora et obtusiora quam in affinibus 

 hujus sectionis, sed lasvia incurva tumida et carnosa; 

 subtiis convexa, supra obsolete depressiuscula. 



Floret nondum in Anglia, sed in Horto Pharmac. 

 Chelseiano pulchre vigebat A.D. 1830. Species di- 

 stinctissima, vix ullae valdeaffinis, sed prope S.Forsteri, 

 Engl. Bot. tab. 1802, locarem pro tempore. H. 1/. 



Obs. Under the genus Sedum may appropriately be 

 noticed some Seda I have long cultivated, and which 

 it will be a botanical improvement to describe briefly 

 as follows; for the first three appear to be distinct 

 species: viz. 



Sectio OBTUSiFOLiA Nob. floribus cymosis. 



album. S. (blunt-leaved white) : foliis clavato-ovatis viridibus 

 teretiusculis glabris, ramis perennibus radicantibus, 

 junioribus in lente puberulis. 



Sedum album Eng. Bot. t. 1578. 



Sedum album y DeCand. Prod. v. 3. p. 406. 



Flores valde cymosi albi. 



Habitat insuper muros prope Londinum. H. 1/. 

 micranthum. S. (greater blunt-leaved) : foliis clavato-oblongis 

 viridibus teretiusculis glabris, ramis perennibus radi- 

 cantibus, junioribus in lente puberulis. 



Sedum album /3 micranthum, DeCand. Prod. v. 3. 

 p. 40G. 



Habitat prope Gloster. H. 1/ . 



Communicavit amicus Rev. Dom. Ellicombe. 



0^5. Antecedenti simillimum, at 2-3-pl6 majus, flo- 

 ribus nuraerosioribus minoribus petalis angustioribus. 



tereti- 



