1008 POLYGONE^. Rnmex. 



3. R aquaticus (L. Sp. p. 479) caule elato siniplici iii panicu- 

 lam striclam subaphyliam abeiinte, foliis aniplis petiolo caiialiciilato 

 suffullis a basi lata subcordata ovatis vel obloiigis acutiusculis, supe- 

 rioribus oblongis vel lanceolalis, paniculae ramis elongatis frudircris 

 deiisifloris, pedicellis calyce longioribus prope basin arliculatis. valvis 

 subcordalo-ovalis obtusis integris vel subrepandis oblusis omnibus 

 ecallosis ^. Rcbb. Ic. Cril. t. 369. — Fl. Dan. tab. 2388. — R. liippo- 

 lapathum Fries. — R. Heleolapathum Dt-ejer. 



Hab. ad aquas, Thracia arl fossas prope Enos (Griseb.), \n paluslriljus agri 

 Argolici et insulae Cypri (ex Sibth.)- E ditione nondum vidi. 



Ar. Geogr. Scandinavia, Gallia borealis, Germania, regio Danulnalis, 

 Rossia, Sibiria. 



4. R. Elbrusensis (Boiss. Diagn Ser. I, 12, p. 100) caule elato 

 simpliciin |)anicu{am elongatam slricte ramosam subapbyllam abeunti, 

 foliis inferioribus petiolo planiusculo suffultisa basi inaecpiali cuneata 

 vel rotundata oblongo-lanceolatis acutiusculis tenuiler membranaceis, 

 Supcrioribiis lanceolatis, panicula ramis elongatis iaxilloris, pcdicellis 

 flore longioribus supra basin articulatis. valvis amplis a i)asi tru.i- 

 cata orbiculatis tenuiter reticulatis circumcirca obsolete eroso-dcnli- 

 culatis omnibus ecallosis :^ . 



Hab. in jugo Elbrus Persia^ borealis prope pagum Passgahx (Ky. 2n'i!). 



Planta 2-3-pedalis, foliorum radicalium lamina 8-10-})ollicaris, panicula 

 pedalis, valvro fructiferse 4 lineas diam. lat;T?. A R. domestico (in Caucaso ut 

 videtur erronee indicato) differt foliis tenuibus non undulatis, vaivalis majo- 

 ribns basi non cordatis. 



o. R. angustifolius (Campd. Rum. p. 73, tab. 1, fig. 21 caule 

 humili sin)plici in raccmum simplicem vei basi ramulis 1-2 auctiim 

 elongatum laxum abeunte, foliis mediocribus inferioribus peliolatis 

 lanceolalis acutis basi attenuatis vcl rotundatis interdum oblongis, 

 verticillastris discretis 5-8-floris inferioribus inlerdum folio lineiiri- 

 lanceolato suffultis, pedicellis versus medium arliculalis rccurvis 

 fructu brevioribus, vahis incequalibus inlerioribus binis miiioribus 

 ovalis exteriore cordato-orbiculari omnibus integris erosulis eicvatim 

 reliculatis, nervo medio valvae majoris in callum plus minus maiiifcste 

 incrassato ^. Lapalhum angustifolium Cappadocicum miHjuo fructu 

 Tourn. Cor. p. 38. 



Hab. in pascuis alpinis Ponti Lazici supra Djimil 8i00' (Bal !), supra Dai- 

 but (Bourgl), in in-ov. Karabagh monte Arekligeduk (Szovl), in monte Zagros 

 Kurdistaniae Persicse (Haussk!). 



/3. macranthus. — Valvae niinus infcquales, majores magis cordala? 

 transverse latiores, exterior ssepe 7-9 lineas lata semper ccalk/sa. 

 — R. macranthus Boiss. in Ky. exs. Diagn. Ser. II, 4, p. 80. 



Hab. in jjascuis alpinis Tauri Cilicici (Ky. 09! Bal!), in ditione Kassan 

 Oghlj Cilicice orientalis (Kv. 57!), in monte Berytdagh Cataonia.' 7100' 

 (Hausskl). . ' 



