— 19 — 



albumine farinoso, copioso praeditum. Plantae herbaceae vel lignosae, foliis alternantibus 

 V. oppositis, stipulis (ochreis) membranaceis, caulem amplectentibus (rarius nullis). 



Trib. I. RUMICEAE 



Meisn. in DC, Prodr., XIV 1, 4; Benth. Hook., Gen., III, 90; Dammer in Nat. Pflanzenf., 

 III 1 a, 8. — Flores cyclici, mono- vel polygamo-diclini. Perianthium duplex, tepalis 3 + 3 

 (rarius 4 -|- 4 vel 2 -|- 2) marcescentibus , interioribus accrescentibus, nucem trigonam in- 

 cludentibus. Albumen integrum. Ochreiferae. 

 Genera: 1. Rtimex, 2. Oxyria. 



I. Rumex. 



L., Gen., 105, nr. 800; ed. VI, 178, nr. 451; Endl, Gen., 308; Meisn. in DC, Prodr., 

 XIV 1, 41; Benth. Hook., Gen., m, 100; Dammer in Nat. Pflanzenf., III la, 17. — Lapathum 

 (Tourn., Inst., 504) Adans., Fam., II, 277. — Conf.: Campdera, Mon. Rumex (Paris 1819)5 

 Meisner, 1. c; Hausskn., Beitr. zur Kenntn. einheim. Rumes in Mitt. geogr. Ges. Thiiring., 

 III (1885), 56; Murbeck, Nordeur. Rumex in Bot. Not. (1899) 1. — Perianthium duplex, 

 tepaUs 3 -f- 3 (rarius 2 + 2 vel 4 + 4) formatum, persistens; tepala exteriora fructus tempore 

 immutata, interiora (valvae) valde aucta, erecta, nucem trigonam exalatam includentia. 

 Stamina 6 in floribus hermaphroditicis saepe numero reducta, in femineis plurimum steriHa, 

 filamentis brevissimis. Styli 3, stigmata aspergilliforraia. Embryo lateralis, paulo curvatus. 



Sect. I. Lapathum DC, Fl. Pr., IH, 372: Meisn. in DC, Prodi-., XIV 1, 42. — Sect. 

 Lapatha Campd., 1. c; Endl., Gen., 309. — Lapafhum sect. Lapatha Scop., Fl. Carn., ed. 

 n, I, 26 1 . — Flores hermaphroditi v. partim polygamo-unisexuales. Tepala interiora (valvae) 

 demum plus minus aucta, fructum cingeutia. — Herbae v. perennes, foliis indivisis, basi 

 nunquam sagittatis v. hastatis. 



* Valvae integerrimae rarius basim versus obsolete eroso- vel undulato-dentatae. 

 (Sect. Hrppolapathim WaUr., Sched. crit., 170.) Spec nr. 1 — 10. 



I. Rumex alpinus L., Spec, 334 (1753); Campd., Rumex, 66, 105* t. 2; Meisn., in DC, 

 Prodr., XIV 1, 42; Sturm, Heft 74 nr. 2, c ic; Hayne, Arzneigew., XIII t. 7; Reich., Fl. 

 Germ., 569; Koch, Flora, II, 617: Syn., ed. E, 707; Beck, Fl. Nied.-Ost., 318. — Lapathim 

 alpinum Lam., Fl. Fr., EI, 7. — Acetosa alpina Moench, Meth., 357. — Rhizoma crassum, 

 reUquiis foUorum setiformibus nigris tectum, fibrilUs elongatis, crassiuscuUs, UiteoUs. Caules 

 firmi, elati, sicut tota parce puberuU, glabrescentes. FoUa inferiora longe petiolata, late ovaUa, 

 basi cordata vel reniformia, plurimum obtusissima, superiora sensim angustiora, acuta, suprema 

 lanceolata, omnia in margine undulata, saepe iuinute crenulata. PetioU late canaliculati, 

 auguUs rotundatis. Inflorescentia oblonga, basi interrupta, ramis erectis, multifloris, in- 

 ferioribus remotis axiUaribus, folus bi^evioribus, superioribus congestis aphyUis. Flores 

 polygami vel monoeci, saepe rubescentes; pediceUi infra mediam articulati, sub flore tm-binato- 

 incrassati, valvis 2 — 3-plo longiores. Valvae late cordato-ovales, submembranaceae, 4—6 mm 

 longae et latae, late reticulato-nervosae ; tepala exter. oblonga, demum patentes. Pructus 

 utrinque acutus, acute angularis, alutaceus, nitens. 



Crescit in locis pinguibus, stercore laedificatis, humidis, herbosis subalpinis et alpinis, 



