626 LVIII. ROSACEZE. ( Neuradec, 
lobata. Stipule minut: v. obsolete. — Flores axillares, solitarii, pedicellati. Fructus circa 
collum plants: maturw persistens. Semina intra capsulam germinantia. 
Species 1, Afriez borealis, Arabis, Persiwm australis et Scindiz incola. Wight, le. t. 1596. 
Hook. Ic. Pl. t. 840. 
62. Grielum, Linn. Gen. n. 1235.—Calycis tubus brevissimus, cum carpellis concres- 
cens; lobi 5, ebracteolati, demum  excrescentes, patentes. Petala 5, ampla, convoluta. 
Stamina 10, fauci calycis inserta, filamentis filiformi-subulatis; anthers oblongs.  Carpella 
5-10, verticillata, radiantia, inter se et cum tubo calycis concreta; styli 5-10, filiformes, 
breves, stigmatibus capitatis; ovula solitaria, ab apice loculi pendula. Fructus depressus, 
orbicularis, limbo calycis membranaceo late alatus, 5-10-locularis; carpidia 10, horizontaliter 
radiantia, coriacea, secus axin hiantia. Semina horizontalia, testa membranacea; cotyle- 
dones plano-convex:w, basi aurieulatze ; radicula brevis, crassa, axi fructus proxima.— 
Herbs annus, humiles, cano-tomentoss v. lanate, diffuse ramoss, ramis decumbentibus. 
Folia alterna, petiolata, pinnatifido-lobata v. pinnatim decomposita, laciniis linearibus. 
Stipule obsolete. Flores axillares, longe pedunculati, solitarii, ampli, flavi. 
Species 3, Africze australis locis salsis arenosisque incole. ZJarv.et Sond. Fi. Cap. ii. 304. Sweet, 
Geran. t. 171 et 306. 
'TnuiBUs X. PoMEx. 
63. Pyrus, Linn. Gen. 626.—Calycis tubus urceolatus v. rarius turbinatus, carpellis 
adnatus et ultra carpella productus; lobi 5, reflexi, persistentes v. cum apice tubi sta- 
minibusque decidui. Petala 5, suborbiculata, breviter unguiculata. ^ Diseus calycis 
tubum vestiens v. in pulvinum epigynum tumidum explanatum inerassatus. Stamina oo, 
filamentis liberis v. basi connatis. Ovarium inferum, 2-5-loculare ; styli distineti v. in- 
ferne connati, stigmatibus truncatis; ovula in loculis 2, rarius oo, adscendentia. Fructus 
carnosus, ovoideus globosus v. pyriformis, calyci adnatus v. limbi ejus decidui areola notatus, 
2-5-locularis, loculis ssepissime discretis 1—-2- rarius co-spermis, loculorum endocarpio car- 
tilagineo rarissime crustaceo v. osseo sspe 2-valvi sarcocarpio adh:serente. Semina v. 2 
collateralia v. solitaria, erecta, testa ssepius cartilaginea; cotyledones plano-convexs; ra- 
dicula infera.—Arbores et frutices. Folia alterna, decidua, petiolata, simplicia v. pinnata, 
 Swpius serrata. Stipule decidus.  Cym:e terminales, rarius corymbosse v. ad flores 1-2 
reductz ; bractes subulatz, deciduse. 
Species ad 35 v. 40, regionum temperatarum hemisph:zrii borealis montiumque Indis orientalis 
eistropiealium incole. DC. Prod. ii. 633.  Walp. Hep. ii. 53: Anm. i. 287; ii. 522; iv. 669. 
Hook. Fl. Bor. Am. t. 68. Bot. Mag. t. 3668. Bot. Reg. t. 1437, 1482, 1484. — Wall. Pl. As. 
Har.1.173, 189. — Folia plante juvenilis speciebus paucis irregulariter inciso-lobata sunt. 
Cxpowra, Tourn. (CmxxNowELEs, Líndl. in Trans. Linn. Soc. xiii. 97), differt tantum ovarii 
loeulis oc-ovulatis et testa (in speeie Europea) mucilaginosa. Bot. Heg. t. 905. - 
Mxsrirvs, Linn. Gen. n. 625, endocarpium fructus osseum exhibet, et calycis fructiferi os ex- 
pansum, nee aliter, a Pyro differt. Gaertn. Fruct. (. 87. f. i. Woalp. Rep. ii. 54. 
Sonsus, Linn. Gen. n. 623, ob stylos 3 tantum ab auetore separatur. 
64. Crateegus, Linn. Gen. n. 6022.— Calycis tubus urceolatus v. campanulatus, car- 
pellis adnatus; lobi 5, persistentes v. decidui. Petala 5, calycis ori inserta, patentia, 
orbieulata. Stamina oo, filamentis filiformibus. Ovarium inferum v. apice tomentoso 
libero, 1-5-loculare; styli 1-5, liberi, apice dilatato truneato stigmatoso; ovula in loculis . 
2, erecta. Drupa ovata v. globosa, putamine osseo 1l-5-loculari, (rarius 5-pyrena, pyrenis 
osseis. vix liberis) loculis l- rarissime 2-spermis. Semina erecta, compressa, testa mem- 
 branacea; cotyledones plano-convex:z; radicula infera.—Frutices v. arbusculwe, sspe 
ramulis spinescentibus armatm. Folia alterna, petiolata, simplicía lobata v. fere pinna- 
tifida, eoriacea v. membranacea, sepius decidua. Stipule swpius parve, decidus.  Cym:e 
corymbos:e, terminales, ample, bracteatee, bracteis caducis. Flores albi rosei v. rubri, 
odori. Fructus parvus, ruber v. ater, rarius flavus. 
