~ 25 — 



Schleich, et Schk.); Songaria in paludibus ad fl. Lepsa nor- 

 male j in ripis elevatis rivuli Bulonty sterile, intense glau- 

 cum, caule saepe hebetalo: ramis Omnibus subbasilaribus 

 longissimis, iterum parce ramulosis; lalis forma quoque in 

 convallibus Chantau, individua partim polystachya enitens. 

 (exped. Schrenk!) 



25 ß. Kquisetum elongatum simplex: E. panno- 

 nicum Waldst. et Kitaibel ex Willd. 1810. Referente cl. 

 Meyer Equis. p. 40 specc. authentica Kitaib. et Willd. ne 

 varietale quidem ab E, elongato diversa sunt; at Willdeno- 

 wius ail ,,caulis Semper fere simplex, atque si ramis instruc- 

 tus, parce ramosus". Typo saepe gracilius. Volhynia (Bes- 

 ser); in abruptis Wolgae pr. Sareptam (M. Bieb!); in aquo- 

 sis ad Bogdam! Songaria: in glareosis ad fl. xVksu montium 

 Alatau (Karel. et Kiril.) nec non in deserlis ad lacum Bal- 

 chasch, ubi eliam intense glaucum ludit, vel basi ramos 

 nonnullos emillit et tum crassius evadit (exped. Schrenk!); 

 in paludosis Transcauc. ad 11. G lendscha in lypum abit. 

 (Kolenatil) 



26. Equisetum hyemale L. 1737. Lapponia sylvatica 

 Iota (Wahlenb ) v. g. Pyhätunturi Lapp. Kemensis (Schrenk!); 

 in arenosis totius Feniiiae (Wirzen gubern. Wologda (Geor- 

 gi); Petropolil (Kraschen.): rarius; ins« Osilia (Luce); Li- 

 tbuania (Eichw.)*, Yarsovia in collibus et ad ripas (Szubert!)j 

 Volhynia et Podolia (Besser); Mosqua (Stephan); gubern. 

 Tambow et Wjälka (Meyer); Kasan (cl. Graft! ibi formas 

 duas distinxit: alteram glauco-virescentem in graminosis hu- 

 midis, alteram stramineo-lutescenlem in colliculis arenosis 

 post incendium sylvae); ad fl. Wolga et Terek (Georgi); in 

 sylvis humidis pr Stawropol (Hb. Höftt!); anne Caucasum 

 transcendiL? — Slaloust (Nesterowsky !) ; ad fl. Tobol (Georgi); 

 in pratis humidis districlus Kolywan?k pr. Nischnaja Tschems- 

 kaja ad ripam sinistram fl. Ob et in Songaria pluribus locis 

 (exped. Schrenk!); Fl. Altaica in sylvis humidis pr. Riddersk 

 et Loktewsk (Ledeb.) : in Sibiria passim, abundantissime om- 

 nium ad Obum fl. in paludosis et stagnis, Stellerus in rupi- 



