404 Polygon aceae. 



1158. Polygonum Bistorta L. 



In montis Tetenar silvis editioribus et pascuis alpinis, 

 1800-2200 m., 1 Aug. fl. fr. — In jugo Nachar, 2500 m., 

 29 Aug. fl. — Notavimus in jugo Latpari merid. 3 Aug., 

 in jugo Utbiri 18 Aug. et in jugo Kluchor 28 Aug. 



1159. Polygonum Hydropiper L. 



Notavimus prope Orbeli 26 Jul., prope Lentechi &0 Jul., 

 prope Tscholur 31 Jul., prope Betscho 16 Aug. et secus 

 flumen Kliutsch 25 Aug. 



1160. * Polygonum Persicaria L. 



Mekvena, Jun. 1877 fl. fr. (Brotherus). 



1161. Polygonum lapathifolium L. 



Notavimus secus flumen Kliutch 26 Aug. 



1162. Polygonum alpinum All. 



In jugo Latpari merid., 1800-2100 m., 3 et 4 Aug. 

 fl. — Notavimus prope Kala 7 Aug. et in editioribus vallis 

 Kliutsch 26 Aug. — Ad lacum Tabiszchuri, Jun. 1881 

 fl. (n. 803 Brotherus). — Tsei, fl. et Asau, fl. (Lojka). 



1163. Polygonum Convolvulus L. 



Utschkulan, 3 Sept. fr. — Churzuk, 11 Sept. fr. — 

 Notavimus prope Lentechi 30 Jul., prope Tscholur 31 Jul., 

 prope Kala 7 Aug. — Mekvena, Jun. 1877 fr. (Brotherus). 



1164. Polygonum Bellardi All. 



Secus flumen Kliutsch, 1000-1500 m., 25 Aug. fl. — 

 Mekvena, Jun. 1877 fl. fr. (Brotherus). 



1165. Polygonum arenarium Waldst. et Kit. 



Batum, in herbosis maritimis, 30 Jun. fl. fr. Speciiuina 

 saepe ultra metrum longa. — Tiflis, in collibus siccis, 

 31 Oct. 1887 fl. (Sommier). — Balachani prope Baku, in 

 solo naphtha imbuto, 27 Oct. 1887 fl. (Sommier). 



1166. Polygonum aviculare L. 



Churzuk, 11 Sept. fl. fr. — Utschkulan, 13 Sept. fl. 

 fr. — Tiflis, in collibus siccis, 31 Oct. 1887 fl. fr. (Som- 

 mier). — Notavimus inter Lentechi et Tscholur 30 Jul., 



