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174 HISTOIRE DES PLANTES.confertis augustis articulatis ; floribus 1 ad folia rainuloruin superiorumaxillaribus, longe pedunculatis; pedunculo basi 2-bracteolato.(Europa, Asia et America bor. reg. frig. et mont})21 Dipiarelie HOOK. F et THOMS. 3 — Sepala 5, ciliata persislentia.Gorolla hypocraterimorpha? tubus late cylindraceus; limbi lobis5, imbricatis. Stamina 10, 2-seriata, quorum 5, cum corolla? lobisalternantia ; filamentis gracilibus tubo affixis ; 5 autem opposita, breviora,imo tubo affixa subhypogyna ; antheris brevibus ; loculis muticis,introrsum rimosis. Diseus hypogynus brevis, 10-lobus. Germinisloculi 5, alternisepali ; stylo brevi, apice capitato induviato ; lobis 5,oppositisepalis. Ovula oo, placenta? peltata? affixa. Capsula septicida ;valvis 2-lamellatis a septis solutis. Semina oc, albuminosa ; embryonecylindraceo. —Fruticuli ericoidei ; foliis alternis lanceolatis coriaceis,serratis v.ciliatis, apice acutatis v.glandula terminatis; floribus 4terminali-capitatis, axillaribus, 2-bracteolalis. (Himalaya 5 .)III.LEDE.E.22. Ledum L. — Flores regulares ; calyce brevi persisteute, 5-dentato. Petala 5, obtusaimbricata. Stamina 5-10, hvpogyna, 1,2-seriata;filamentis liberis gracilibus; antheris parvis, ad basin dorsifixisbrevibus introrsis; loculis apice poricidis. Diseus brevis, minute lobatus.Germen lepidotum; loculis 5, oppositipelalis; stylo gracili, apicestigmatoso 5-lobo; placentis angulo intérim loculorum adnatis, oo-ovulatis.Fructus capsularis, sursum a basi septicidus ; valvis ab axi placentiferosolutis. Semina oo. minuta; integumento exteriore laxo;interiore nucleiformi fusiformi; albumine carnoso; embryonis axiliscylindracei cotylèdonibus brevibus. — Frutices erectiramosi resinosofragrantes;gemmis squamosis; foliis persistentibus alternis elongatis,breviter petiolatis, integris, margine recurvis, subtus ferrugineis; flori-36. — HOOK., Fl. bor.-amer., t. 132 (Meuziesiu).—BEICHB., le Fl. germ., t. 1160 (Phgl-1. Boseis, oclnoleucis v. cieruleis.lodoce). — LINDL. et PAXT., Fl. Gard-, I, t. 19.2. Spec. 6. sw., in Trans. Linn. Soc, X, - Roi. Mag., t. 3176 \Meniiesiiv.t. 30 (Mendtesia). — PÂLI.., Fl. ross., t. 72 3. In Hook. Kew Joum., VI, 382, t. IL —(Andromeda), 74 (Erica). — MAXIM., Rhod. as.or., 4; 5 (Phyllodoce). -- A. GRAY, in Proc.Amer. Acad., VU, 367; Syn. Fl. N.-Amer., U,B. IL, Gen., IL 597, n. 39.1. Boseis, parvis.5. Spec. 2. C.-B. CLKE, in Hook. f. Fl brit.Ind., UI, 462. — WALP., Ann., V, 444. Ovulaseminaque oe-seriata.

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