72 Polygonaceae. 



Aiiiuiuni; caulibus erectis, ramosis, nlabris; ochreis glabris vel 

 pubesceutibus, uon vel brevissime ciliatis; foliis breviter petiolatis, ovato- 

 ellipticis vel lanceolatis, acutis vel acumiuatis, glabris; spicis oblongo- 

 cylindricis velcvlinch-icis, densiusculis, erectis vel subnutantibus; bracteis non 

 ciliatis; perigonio virenti-albido vel rubello, plus minus ghmduloso-scabro 



§. incaiiuiii Schmidt fl. bohem. IV, p. 90 pro sp. ; Ch. et B. 

 exp. p. 112, Fl. pelop. p. 25; Bois. fh or. IV. p. 1030. — Folia 

 subtus praesertim adpresse tomentosa. — Exsicc. : N. v. 



In humidis, ad ripas regionis inferioris et montanae. Thessalia : 

 pr. Vehtsena (Form.), Pharsalus, Aivali (Haussk.); Boeotia et Attica 

 (Bois.): pr. Athenas (Sibth.); Messenia: pr. Kalamata (Zahn); Laconia: 

 mt. Taygetos, pr. Marathonisia, Monembasia (Chaub.); — (i. Laconia: 

 mt. Malevo (Orph.), mt. Taygetos, pr. Maralhonisi, Monembasio (Chaub.). 

 — Jul. Sept. O. 



4X7. V. serrulatuin X IJipathifoliuin Heldr. pl. exs. fl. hellen. 

 a. 1898. — P. Heldreichii. — Differt a P. serrnlato, cui habitu 

 magis accedit foliis oblongo-hinceohitis, latioribus, ochreis ciliis nuUis 

 vel perpaucis praeditis, bracteis non ciliatis; perigonio scabridulo; a 

 P. lapathifoUo habitu, ochreis nonnullis longiuscule ciliatis, spica fili- 

 formi, elongata, interrupta. — 



Inter parentes in paludosis pr. Kalamata Messeniae (Zahn). 

 b. Achenia opaca. 



8. P. liydropiper L. sp. p. 361; S. et S. pr, I. p. 265; Fraas 

 fl. class. p. 230; Bois. fl. or, IV, p. 1026. — Icon: Fl, dan. t, 1576. 



Annuum; caulibus erectis vel adscendentibus, ramosis, glabris; 

 ochreis subglabris, breviter ciliatis; fohis breviter petiolatis, oblongo-lan- 

 ceohitis vel lanceolatis, acuminatis, glabris; spicis fihformibus, inter- 

 ruptis, arcuato-pendulis ; bracteis non cihatis; perigonio viridi-purpuras- 

 cente, glanduloso-punctato. — Sapor totius plantae acerrimus, urens, 



In humidis Graeciae (Sibth.): pr. Lamia, Lebadia (Fraas). — Jul. 

 Sept. 0. N. V. 



4. Sectio, Avicularia Meisn. monogr, polyg. p. 85. 

 a. Basi suffruticosa. 



9. P. maritiinuni L. sp, p. 3()1; S. et S. pr. I. p. 266, Fl. gr. 

 IV. p. 55 t. 363; Sieb. avis p. 3, rem. p. 4; Ch. et B. exp. p, 113, 

 Fl. pelop, p, 25; Marg. et R. fl. Zante p. 80; Friedr. Reise p. 270; 

 Clem. sert. p. 83; Ung. Reise p, 122; Weiss in z, b. G. 1869 p. 753; 

 Raul. cret. p. 847; Bois. fl. or. IV. p. 1037; Heldr. fl, cephal, p. 63, 

 Fl. Aegina p. 388, in 6. b. Z. 1898 p. 185; chlor. Thera p. 20; 

 Bald. riv. coll. bot. alb. 1892 p. 69; Hal. in o. b. Z. 1897 p. 98; 

 Haussk. symb. p. 60. — Exsicc. : Or})li. fl. gr. n. 4«5, Heldr. herb. 

 norm. n. 373; Sint. et Bornm. it turc. n, 1453; Dorfl. fl, aeg, n. 250. 



Glabrum; cauhbus e rhizomate ramoso, lignoso procumbentibus, 

 tota longitudine foliatis, internodiis brevibus; oclu-eis internodio longiori- 

 bus vel parum l^revioribus, basi fuscis, superne longe hyalinis, laceris; 



