99 
SEMPERVIVUM.  arboreum. 
‘Tree-Houseleek. - 
| DODECANDRIA DODECAGYNIA. or. 
SEMPERVIVUM. Cal. inferus 6-12-partitus. Petala 6-12, 
imo calyce inserta, calycinis divisuris alterna. Stamina totidem alterna 
petalis : anth. subrotunde. Germ. 6-12, basi iteriori juncta, exteriori © 
glandulosa: styli & stigmata totidem. Caps. 6-12, uniloculares, poly- 
sperme, intis bivalves, marginibus valvarum seminiferis. Herba@ aut 
suffrutices ; folia succulenta, alterna, plana, in rosam terminalem con- 
gia Jlores corymboso-cymosi terminales, in S. arhoreo 20-andri, 
ussieu gen, 307. ri 
S. arboreum, caule arborescente levi ramoso foliis cuneiformibus gla- 
briusculis ciliatis, ciliis patulis mollibus. ort. Kew. 2. 147. 
Sempervivum arboreum. | Linn. sp. pl. \. 664. Mill. dict. ed. 8.n. 5. 
Desfont. jl. atl, 1. 389. Brotero fl. lusit. 2.378. Smith prodr. fi. 
grac. 2. 334. Quer fi. espan. 6.281. Plant. grass, 125. Willd. 
sp. 2, 930. Flort. Kew. 2. 3.171. 
Sedum majus arborescens. Bradt. succ. Dec. 4. 1. 
Sedum arborescens. Besl. eyst. aut. ord. 3. fol. 8. fig. 1, 
S. arborescens majus grecum. Lob. ic. 379. 
Sedum majus legitinum. — Cus. hist. 2. 58. 
Joubarbe arborescente. Lam. encyc. 3. 288. at yer 
Frutex. succulentus, sempervirens. Caudex carnoso-lignescens, cubitalis 
ad orgyalem usque, nunc brachium Crassus, erecto-ramosus'; rami crasst, 
teretes, fuscescentes, nud; leves, cicatrizati, non florigeri foliis in rosam patu= 
lam nutantem 3-4 uncias transversam approximatis comati. \ Folia ambientér 
sparsa, numerosa, ex inferiorum casi terminalia, sessilia, coriaceo-crassa, 
cuneato-spathulata, leté viridantia, ciliis tenuissimis albis margzinata. Caules 
terminales, virides, carnosi, teretes, infra flores laxits consiti Soliis minoribus 
deciduis sensim decrescentibus, terminati thyrso daxo, multifloro, patulo 
subvilloso, bracteis Oaks caducis intersperso : pedunculis divisis, pedi-' 
cellis I-floris. Cal. carnoso-succulentus, 9-11-partitus, eats lanuginosus. 
Cor. pauld major, lutea, primo imbricato-contorta, indé stellato-divaricata, 
acuta. Glandule squamiformes mémbranacee alba apice eroso-dentate, toti- 
dem ac germina, Stam. 18-22, alterna inserta basi petalorum, alterna in 
imo calyci: fil. lutea, subulata, corolle cqualia, putentia: anth. lutea, 
subrotunde. Germ. 9-1] in orbem digesta, ints basi connexa, rostrata stylis 
totidem divergentibus: stigmata puncta acuta. Caps. leguminose, oblonge, 
rostratim recurve, extrorsim convexe, introrsitm dehiscentes : sem. unilate- 
ralia, subrotunda. oe 
‘ 
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 
Da 
