Polygonaceae. 65 



10 X 11. R. pulcher X limosus. — B. Haldcsiji {Umosm X 

 pulcher) Reching. in z. b. G. 1899 p. 105. — Differt a li. pnlchro 

 pedicellis elongatis, valvis facie minus reticulato - alveolatis, utrinque 

 2 — 4 setaceo-dentatis ; a R. limoso ramis divaricatis, foliis oblongo-lan- 

 ceolatis, verticillastris superioribu.-; nudis, valvarum dentibus numerosio- 

 ribus, basi latioribus. — Exsicc. : Form. pl. gr. a. 1896. 



Thessalia: pr, Trikala (Form.). 



2. Sectio. Flatypodiurn Willk. et Lge. pr. fl, hisp. I. p. 284, 



12. R. buceplialophorus L. sp. p. 336; S. et S. pr. I. p. 246; 

 Sieb. avis p, 3, rem. p. 4; Ch. et B, exp. p, 107, Fl, pelop. p. 24; 

 Marg, et R, fl. Zante p. 80; Friedr, Reise p, 266; Fraas fl, class, 

 p, 231; Clem. sert. p. 83; Ung, Reise p, 122; Weiss in z. b. G. 1869 

 p 753; Raul. cret. p. 847; Spreitz. in z. b. G. 1877 p. 729, 1887 

 p, 668; Bois, fl. or. IV. p, 1014; Heldr. fl. cephal. p. 63, chlor, Thera 

 p, 20, chlor. Mykon. p. 250; Gebni in buU, soc, bot. ital. 1889 p, 451; 

 Haussk, symb, p. 59, — B. acideatus L, sp, ed. 2 p. 481 ; S. et S. 

 pr, I. p. 249; Sieb. avis rem. p. 4; Ch, et B. exp. p. 108, Fl, pelop. 

 p. 24 ; f, valvarum spinis validioribus uncinatis, — B. creticus Campd. 

 mon, rum, p, 149, — R. hucephalophorus v. massiliensis Steinh, in 

 ann, sc. nat. ser, 2 IX, p. 200; Raul. cret. p. 847; f, valvarum den- 

 tibus utrinque 3, valvis brevioribus, — J?. hucephalophorus v. creticus 

 Steinh. 1. c, f. valvis bidentatis. — R. hucephalophorus v. graecus 

 Steinh, 1. c. p. 201 ; f. valvarum dentibus utrinque 3 , subrecurvis, 

 valvam aequantibus, — Icon: Fl. gr. t, 345, — Exsicc, : Heldr. herb, 

 fl. hellen. n, 57, herb. norm. n, 1578; Dorfl. fl. gr. n. 465. 



A collo simplex vel saepius pluricaulis; caulibus gracilibus, erectis 

 vel adscendentibus, in racemos simplices abeuntibus; foliis petiolatis, 

 inferioribus ovato-spathulatis vel oblongo-lanceolatis, summis linearibus ; 

 verticillastris remotiusculis, 2 — 3floris; pedicellis demum clavato-incras- 

 satis, arcuato-deflexis ; valvis deltoideo-oblongis, utrinque 2 — 4dentatis, 

 dentibus triangulari-subulatis, rectis vel apice uncinatis, valva brevioribus 

 vel longioribus. — Varietates supra enumeratae nil sunt nisi formae 

 minimae valoris, nam numerus et longitudo dentium valvarum variant 

 in speciminibus unius et ejusdem loci, interdum immo in uno eodemque 

 specimine. 



In arenosis, maritimis, herbidis regionis inferioris per totam Grae- 

 ciam, — Mart, Jun. Q. 



3, Sectio. Acetosa Tourn, inst. j:), 502. 

 a, Perennes; valvae ad 6 inm longae, 



a. Flores dioici. 



X Radix fibrosa, tuberibus ovato-oblongis nullis. 

 O Infiorescentia paniculata, plerumque ampla. 



13. R. montanus Desf. tabl, ecole bot, ed. 2 p. 48. — R. ari- 

 folius All, fl, ped. II. p, 204 ; Haussk. symb, p, 59 ; non L, fil. suppl. 

 p. 212. — 



V. Halacsy, Flora Graeca. III. 5 



