99 : 
SEMPERVIVUM arboreym. 
(o Tree- Houseleck. 
DODECANDRIA DODECAGYNIA, 
SEMPERVIVUM. Cal. inferis 6-12-partitus. Petala 6-12, 
imo calyce inserta, calycinis divisuris alterna, Stamina totidem akterna 
petalis: anth. subrotundee, Germ. 6-12, basi interiori juncta, exterior 
glaudulosa: styli & stigmata totidem. Caps. 6-12, uniloculares, poly- 
sperme, intüs bivalves, marginibus valvarum seminiferis. Herbæ aat 
suffrulices ; folia succulenta, alterna, plana, in rosam terminalem con» 
fata; Jlores. corymboso-cymosi terminales, in S. arboreo 80-andri, 
ussigu gen; 307. ME j 
S. arboreum, caule arborescente levi ramoso foliis cuneiformibtis gla- 
briusculjs ciliatis, ciliis patulis mollibus. Hort. Kew, 2. 147. 
Sempervivum arboreum. Linn. sp. pl. 1.664. Mill, dict. ed. 8. n. 5. 
Désfont. fi. atl. 1. 389. Brotero fl. lusit. 2.378. Smith prodr. fl. 
grec. d. 934. ‘Quer fl. espan. 6.281. Plant.. grass. 183, Willd, 
sp. 2.930. Hort: Kew: 9: 3. 171. m 
Sedum majus:arborescens. Bradi, suec. Dec. 4. 1. 
Sedam arborescens, — Bes. cyst. aut. ord. 3. fol. 8. fig. 1. 
S, arborescens majus grecym.. Lob. ic. 579... 
Sedum majus legitimium. “Clus. hist. 2. 58. 
Joubarbe arborescente, Lam. encyc. 3. 988. 
< Frutex ^ suceulentus, sempervirens. . Caudex carnoso-lignescett, cubthalte 
ad orgyalem usque, nunc brachium crassus, erectorremasus; rami cristi, 
teretes, fuscescentes, nudi, leves, cicatrizati, non florigeri foliis in rosam gatu- 
lam nutantem 3-4 uncias transuersam' approzimatis comati. Folla ambientêr 
sparsa, numerosa, er infôriorum cash ierminalia,. sessilia, coriaceo-eresmt 
cuneato-spathulata, let? viridantia, ciliis tenuissimis albis marginata, Caules 
terminales, virides, carnosi, teretes, infra flores laxiüs consits foliis minoribus 
deciduis sensim decrescentibus, terminati thyrso lazo, mu tifloro, patulo 
subuilloso, bracteis sphacelatis caducis intêrspêrso: pedunculis divisis, pedi. 
cellis l-fforis. Cal. carnoso-succulentus, 9-li-partitus, extús lanuginosus. 
Cor. paulo major, lutea, primd imbricato-contorta, inde stellato-divaricala, 
acuta. Glandule sguamiformes membranacec alba apice eroso-dentate, toti- 
dem ac germina. Stam. 18-22, alterna inserta bast petalorum, alterna in 
imo calyci: fil. lutea, subulata, corolla equalia, patentia: anth. dutem, 
subrotunde. Germ. 9-11 in orbem digesta, intàs bast conneza, rostrata stŷlig 
totidem divergentibus : stigmata puncta acuta. Caps. leguminose, oblonge, 
rostratim recurve, extrorsim convexa, introrsim iscentes : sem, nike y 
ralia, subrotunda, 
One of our most common rate greenhouse-plants, and of 
the longest standing, having been cultivated here from be- 
fore 1640; but is not very frequently seen in bloom, and 
is rather impatient of frost. Clusius notices its having been 
D2 
