FAMILLE DES POMACÉES. 127 
Ovula in loculis plerumque gemina collateraliter adscendentia, 
anatropa, rarissime solitaria v. plurima, v. indefinita. 
Styli carpidiorum numero (1-5) terminales v. subterminales, sim- 
plices, liberi v. plus minus coaliti, facie ventrali haud raro sulcati, 
glabri v. villosi; stigmata simplicia, capitata v. longitrorsum expansa. 
Fructus (Pyridium, Pomum, etc.) carnosus, interdum baccatus, 
calycis limbo coronatus v. umbilicatus, intra sarcocarpium hypanthio 
vestitum, pericarpium proprium sutura ventrali dehiscens v. osseum 
indehiscens; loculis abortu sæpe monospermis, raro polyspermis; 
endocarpium - tenuissimum, cartilagineum, chartaceum, fragile 
y. osseum. 
Semina adscendentia, in loculis polyspermis horizontalia, angulo 
interno basi affixa, sessilia; testa coriacea v. tenuissima, madefacta 
mucosa, hilo basilari sæpius vix conspicuo; raphe ad chalazam api- 
calem v. subapicalem producta ; albumen nullum. 
Embryo cotyledonibus ovalibus, plano-convexis v. rotundis, cras- 
sis, integris; radicula brevissima, conica, plumula imperceptibilis. 
Arbores v. frutices inermes v. ramulis minoribus spinescentibus 
hisce teretibus, floriferis ut plurimum brevissimis. Folia alterna 2/5. 
(in ligno vetusto ad apicem ramulorum rosulato-conferta) petiolata. 
nunc simplicia, ut plurimum integra, sæpissimeque serrata aut denti- 
culata, v. pinnati-v. palmatiloba, nunc raro imparipinnata. Stipulæ 
nullæ v. ad petiolorum basim laterales, plerumque caducæ, integræ. 
v. lobulatæ. Perulæ tenues v. coriaceæ, deciduæ. Flores solito race- 
mosi v. racemoso-v. paniculato-corymbosi, cymosi, rarius solitarii, 
albi v. variis modis rubri, pedicellati; pedicelli bracteolis membra- 
naceis citissime caducis instructi. 
