9 



POLYGONACEAE: RUMRX. 



10 



2. RUMEX OBTUSIFOLIUS Lonr. caule erecto ramoso; 



foliis infimis ovato-oblongis obtusis acuminatisve, cordatis, cau- 

 linis ovatis lanceolatisque acutis basi obtusis, panicula subsim- 

 plici apice aphylla, verticillis diseretis, superioribus demum con- 

 tiguis; pedicellis calvci fructifero mediocri subaequilongis, valvis 

 e basi ovata in acumen deltoideum integerrimum acutiusculum 

 attenuatis tenuiter reticulatis, inferne demum dentibus utrinque 

 2 — 4 subsubulatis patulis omnibus graniferis, callo uno majore 

 v. saepius obsolete 



llume.i: obtusifolivs Linn. Sp. 178. Campd. Rum. 86. 

 Mert. et Koch Deutschl. Flora II. 610. (excl. yj Rom. et 

 Schult. Syst. VII. 1404. Engl. Bo/, t. 1999. Ftor. Dan. 

 t. 1834. 



Habitat in ruder a Us et incultis , ad vias fossa s sepesque Euro- 

 pae totius , Asiae temperatae et borealis, insular urn Canariensium et 

 Americae borealis, nee nun in Brasilia (verisim (liter immigrata, fids 

 specim. a Widyren led. n. 705 in Herb. Sonder.) 



3. RUMEX BRASIL1ENSIS Link, foliis petiolatis, utrinque 

 attenuatis acutis, radicalrhtis oblongis, summis subsessilibus linea- 

 ribus; panicula simplici, ramis solitariis, verticillis omnibus folio 

 fultis, inferioribus distantibus, superioribus contiguis; pedicellis 

 calyce fructifero parvo demum longioribus; valvis ovato- oblon- 

 gis, acuminatis, aeutis, obsolete reticulatis, integerriml3 vel 

 passim dente subulato patente munitis, omnibus subaequaliter 

 graniferis. 



Rumex brasiliensis Link Enutn. fforl. Berol. 349. Rom. 

 et Schult. Spst. VII. 1417. 



Rumex incomptus Weinm. in Flora 182 1. 28. 



Specie* insignis racemis ad apicem usque foliis linearibus circa 

 pollicaribus praeditis, calyce fructifero vix 1% lin. longo, valvis In 

 acumen acutiusculum attenuatis passim infra medium dente Subulato 

 patente semilineam longo munitis. Folia radicalia semipedalla , fere 

 2 poll. lata, subacuta , plana v. basi leviter undulata, caullna lan- 

 ceolato-oblonga. Valvarum calli oblongi crassiusculi 



Habitat in Brasilia: Herb. Link, specim. cult.; in fossts circa 

 Rio de Janeiro frequent: Lund n. 569., Pohl Herb. n. 158. 



4. RUMEX CUNEIFOLIUS Campd. foliis omnibus petiola- 

 tis, obovatis v. cuneato- oblongis, utrinque obtusis, margine un- 

 dulato-erenulatis v, demum planis ; racemo terminali , simplici v. 

 pauciramoso, subaphvllo, verticillis densifloris, inferioribus remo- 

 tiusculis; pedicellis flore brevioribtis demum crassiusculis; calyce 

 fructifero mediocri, valvis ovato-oblongis acutis integris, omni- 

 bus grosse graniferis. 



Rumex cuneifolius Campd. Rum. 96. (excl. syn. Thunb.) 

 Cham, et Schlecht. in Linnaea III. 58. Rom. et Schult. Syst. 



VII. 1416. 



Rumex monlevidensis Spreng. Syst: Cur. pott. 144. 



Caui.is subsimplex v. basi ramosus, adscendens, t — S-pedalis. 

 Ochrkaf. 1 — t'/i P o1 '- longae, angastae, mox lacerae. Folia infe- 

 riora (incluso petiolo I — 2-pollicari) 3-7 poll, longa, */, — 3 poll. 

 lata obovata v. passim ovalia , basi saepius inaequalia et subcordata, 

 superiora sensim minora et cuneato-attenuata, apice obtusA v. rotun- 

 data, margine nonnunquam crispa, summa lanceolata utrinque acu- 

 tiuscula. Rackmus terminalis, simplex v. saepius basi racemulis 1 -3 

 alternis solitariis basi interrupts et folio fultis auctus, 8-4 poll. 

 Iongus. Florks f dioici, fide Bertero) fere 2 lin. Fongi , pkdickixo 

 pauilo longiores. Calvcis sangulnel laciniae oblongae obtusae, inte- 

 riores dimidio longiores , callo crassissimo gibboso praeditae. 



Habitat in prov. S- Parti), Montevideo: Setlow; Buenos Agres: 

 Commerson; in Magellania et Chile. 



5. RUMEX CRISPUS Lmn. caule strict* erecto; foliis 

 elongatis, acutis, ondulato-crispis, utrinque attenuatis, infimis 

 elongato-oblongis, caulinis lanceolatis, summis linearibus; pani- 

 culis laxiusculis, basi foliosis, demum densis subaphyilis, verti- 

 cillis approximatis; calyce fructifero mediocri, valvis late ovatis 

 subcordatis obtusis clevato- reticulatis integerrimis v. basi denti- 

 culatis omnibus graniferis. 



Rumex crispus Linn. Sp. 476. Campd. Rum. 95. Wall- 

 roth Sched. crit. I. 170. Schult. Syst. VII. 1421. Curt. Lond. 

 t. 18. Engl. Rot. I. 1998. Ftor. Dan. I. 1334. Uayne 

 Arzneigew. XI 11. I. 3. 



Habitat in incultis pratisque Europae totius vulgaris, etiam 

 in Asia occidentali et boreali, nee non in America boreal i et an- 

 tarctica et in Mexico, Montevideo et Nora Zeelandia occurrens, — 

 verisimititer etiam in Brosiliam immigrata. 



Sbctio It. ACET08A. 



Fj.orks dioici v. polygamo- monoici. Sepala tria interiors 

 (valvae) demum valde aucta, orbicularia v. reniformia, diaphano- 

 membranacea, tenuiter venosa (venis vix v. non prominulis) ima 

 basi callo minuto squamiformi deflexo (rarius nullo) praedita, 

 integerrima v. rarissime obsolete denticulata. — Herbae an- 

 nuae t. persnnes . rariut suffrutjcks , acidae , saepr glaucae, 

 foliis has /at is , sagittal is (inter dum sinvato-pinnutifidit) sum- 

 mis pterumque amplexicaulihus , infimis paJminerviis el non- 

 nunquam integris (scil. basi haui escisisL 



6. RUMEX ACETOSA Ltm. glaberrima v. infernt pube- 

 rula; foliis infimis longe petiolatis, cordato-hattato- v. tagittato- 

 ellipticis ovatisve, obtusis, auriculis stibparallelts « superioribus 

 hastato-lanceolatis acutis; panicula elongata, subsimplici, aphylla; 

 pedicellis supra basin articulatis; floribtis dioicis. valvis medio- 

 cribus subrotundo ovatis leviter cordatis integerrimis ima basi 

 obsolete squamiferis; nucula atrofusca laevi nitidissima. 



Rumex Acelosa Linn. Sp. I. 481. (excl oar. 5. el t.) 

 Campd. Rum. 117. Rom. et Schult. Syst. VJI. 1450. Black- 

 well Herb. t. 230. Engl. Rot. /. 127. Hayne Arzneigew. XI II. 

 t. 6. Ftor. Dan. t. 2534. 



Adoiodtim variat statura et foliorum dimension i bus , nee non val- 

 vis majoribns v. minaribus et plus minus sanguineis v. decoloribus. 



Species or bis antiqui vutgatissima, in variis Americae Urris jam 

 reperta {immigrata f) , verisimititer etiam in Brasilia invenienda. 



Sictio III. ACETOSELLA. 



Flukes dioici. Calyx fructifer clausus, nuculae arete ad- 

 pres'su*, valvis herbaceis immutatis (vix auetis) integerrimis, 

 ecallosis, valvatim contiguis. — Herb a habitu foliisqne Ace- 

 tosarum. 



7. RUMEX ACETOSELLA Linn, foliis omnibus petiolatis, 

 lanceolatis linearibtisve , hastato - trilobis v. indivisis, panicula 

 aphylta; pedicellis apice articutatis brevibus; valvis evato-rotun- 

 dis, obsolete venosis, sepalis exterioribus adpressis vix minoribus. 



Rumex Acelosella Linn. I. 481. Camp. Rum 420. I. 2. 



J. 4. Rom. et Schult Syst VII. 1455. Rlackwell Herb. t. 307. 



Curt. Ftor. Lond. V. 1. 29. Engl Bot. 1. 1674. Ftor Dan. 1 1161. 



Magnopere variat statura paimari — ad 8 3-pedalem, caolb 



simplici et ramoso , erecto v dilTuso et basi radicante , ronn hastatis 



sagitatti* integerrienisque majoribus minoribusve , auriculis baseos sim- 



plicibus indivisia v. lacinfatis (B.. tnntlifidus Linn.) et panicula plus 



minus composita. 

 I 



