514 
PYRUS salicifolia. 
Willow-leaved Pear-tree. 
—.9—- 
ICOSANDRIA PENTAGYNIA. , » 
Nat. ord. RosacEm. Jussieu gen. 334. Div. I. Germen simplex, in- 
ferum, polystylum. Pomum calycino limbo umbilicatum, multiloculare. 
Arbores aut frutices. POMACER. 
PYRU, Cal. 5-dentatus. — Petala subrotunda. Pomum clausum 
$-loculare, putamine cartilagineo. Loculi dispermi. Testa cartilaginen. 
__Arbores v. arbuscula ( Asia et America septentrionalis). * Folia 
simplicia v. composita serrata. Cymæ patentes,. terminales, multiflore. 
Bractex subulate, decidue. Petala subrotunda, patentia, v. erecta, tum 
concava, conniventia. Styli glabri v. basi langti, liberi v. partim coherentes, 
Lindley pomac. in trans. linn. soc. 18. 97. 
Div. I. Folia simplicia. 
P. salicifolia, foliis lineari-lanceolatis utrinque acytis suberenylatis pubes- 
centi-canis, floribus corymbosis. Marsch. à bieb. flor. taur. cauc. 1. 390. 
Pyrus salicifolia. Linn. suppl. 256. Pall. it. 3. 734. t. N. fig. 3. Pall, 
ross. 1. 20. 1.9. Hort. Kew. 2. 176. ed. 2. 3. 210. Willd. sp. pl. 2. 
1020. enum. 1. 527. 
Pyrus sylvestris orientalis, folio oblongo incano. Fournef. cor, 43. 
` Arbor dumosa, orgyalis v. sesquiorgyalis, ramosissima, è radice sue- 
crescens, "Truncus raro diametro sesquipollicari crassior, cortice tenui extis 
cinereo-fuscescente subfissili, ligno albo uniformi durissimo ossee instar sub- 
stantie levigando, ami extremi rigidi recti epidermide levi fusco-testacea, 
canitie quasi obducta: antiquiores ramulis patentissimis spinescentibus folii- 
Seris veluti stimulis infesti; Juniores alternis obsiti turionibus seu apophysibus 
rugoso-verrucosis @ quorum apice Jolia et flores, queque in ramos crescere 
deinde pergunt. Fol. circa turiones quasi fasciculata, in spinescentibus ramis 
alterna sparsa, in petiolum attenuata, lata, rigidiuscula, plerümque 
integerrima, passim versus apicem subserrata, tomento lavi obducta, supra 
obscuriùs viridia, subtüs glauco-canescentia, simillima SALICIS incubacez, 
Stipul 0. Pomum apice apophyseos foliose sessilis, poene solitarium 
(haud rarò geminum) turbinatum subvillosum, basi cylindraceo-atienuatum, 
supra rotundum, calyce et staminum rigescentium filamentis circa umbilicum 
cavum coronatum; sem. luteo-testacea, ovata, acuta, binc plana. Pall. 
ross. loc. cit. 
On remodeliing the genera in a late treatise on the 
natural group Pomacee, Mr. Lindley has not, followed M. 
de Jussieu in detaching the genus Matus from Pyrus; 
observing that although the styles in Marus are united 
towards their base, yet that this circumstance is scarcely of 
even specific importance, since it occurs in Crarzavs 
VOL. YI. AA 
