— 23 — 



et denlibus vaginarum nec non ramorum ut in typo: albo- 

 margioatis, lalis, brevioribus, fere obtusis. Specimina dahu- 

 rica sicca a Petropolitanis lanlum glaucedine et siirculis non 

 pyramidatis recedunt Sterile modo vidi. 



22. Equisetum sylvalicum L. 1737. Lapponia syl- 

 vatica inferior passim (Wahlenb.); Lapp. rossica v. g. ad 

 Sosnowetz et Motowsk (Baer!)-, ab urbe Mesen usf[ue ad H. 

 Bugrinitza in reg. subalpiiia peninsulae Kanin (ipse); Fennia 

 (A. Nylander)^ gobern. Olonetz (Hb. Baerl) ^ Pelropoli! 

 (Krascb.): in graminosis huinidis, sylvis et agris^ Osilia (Lu- 

 ce); Livonia (Georgi); Lithuania (Eic bwald)^ Varsovia (Szu- 

 bert!); Mosqua (Stepban)^ Volhynia et Podolia (Besser)^ 

 gubern. Tambow (Meyer)*, Permia et Georgia (Georgia Gül- 

 denst.); montes Uralenses! Songaria: in insulis fl. Lepsa 

 (Karel. et Kiril.) nec non in monlibus Ulutau (expcd. Schrenk!)^ 

 Fl. Altaica pr. Riddersk, Sinejovv et ad 11. Tscbaryscb (Le- 

 deb.); Fl. baical. dabur. (Turcz.); Kamlscbatka pr. Petro- 

 pawlowsk et in ins. Koraginsk. (Mertens!) 



22 ß. Equisetum capillare Hoffm. (Fries 1835.) In 

 sylvis umbrosis Pelropoli saepe immutabilis occurrit haec 

 forma gracilis, ramis et ramulis tenuioribus, longioribus, non 

 deflexis, sed angulo recto a stipite stricte divaricalis. Indi- 

 catur quoque in Fl Mosquensi (iMartius) et, ni schedula fe- 

 fellit, e Kamtschatka quoque vidi. 



23. Equisetum palustre L. 1737. In Lapponia syl- 

 vatica frequens (Wahlenb.)*, Schuretzkaja Guba Lapp. ross. 

 (Baer!)-, in paludosis sylv. Fenniae totius (Wirze'n) : paroec. 

 Pojo (A. Nylander); Pelropoli! passim (Georgi el Sobol.); 

 Livonia! Lithuania et Volhynia (Eichwald); Varsovia (Szu- 

 bert!), Mosqua (Stephan); Kursk (Hb. Höfl't!); ad fl. Choper 

 et Tanain (Güldenst.); gubern. Wjätka (Meyer); Songaria: 

 in deserlo Dsh\ty-ssu (exped. Schreuk!); Sibiria altaica (Schan- 

 gin !); Fl. baical. dahur. (Turcz.) 



23 ß. Equisetum palustre simplex: E. tenelltnn 

 Fries 1835. Nuortunturi Lapp. Kemensis (Schrenk I); Pe- 

 tropoli: in pratis huniidis vel paludibus, fine August, et m. 



