. The vegetation of the Siberian-Mongolian frontiers (the Sayansk region). Botany; Botany. Triticum Gmelini (Ledeb.) nov. nom. Triiicum strigosum Less. var. Gmelini Ledeb. Icon. Fl. Ross. tab. 248, p. 16. Agropyrum Gmelini (Ledeb.) Krylow, $j[. Ajit. VII (1914) p. 1695. Triticum caninum in Ledeb. Fl. Alt. 1, p. 118 cum var. Gmelini Turczan. Cat. Baical. no. 1329 ex parte. In dry meadows, and on the slopes on the Abakan Steppe, near Ust Kamuishto. Young flowers, not yet fully opened, in the second half of June. Distribution: The Crimea, south-western Asia, Siberia, northern Mongoha. Triticum ra
. The vegetation of the Siberian-Mongolian frontiers (the Sayansk region). Botany; Botany. Triticum Gmelini (Ledeb.) nov. nom. Triiicum strigosum Less. var. Gmelini Ledeb. Icon. Fl. Ross. tab. 248, p. 16. Agropyrum Gmelini (Ledeb.) Krylow, $j[. Ajit. VII (1914) p. 1695. Triticum caninum in Ledeb. Fl. Alt. 1, p. 118 cum var. Gmelini Turczan. Cat. Baical. no. 1329 ex parte. In dry meadows, and on the slopes on the Abakan Steppe, near Ust Kamuishto. Young flowers, not yet fully opened, in the second half of June. Distribution: The Crimea, south-western Asia, Siberia, northern Mongoha. Triticum ramosum Trin. in Ledeb. Fl. Alt. I, p. 114; Karel. et Kiril. Enum. PI. Fl. Alt. no. 941; Ledeb. Fl. Ross. IV, p. 343. Agropymm ramosum (Trin.) Richt., KpBiji. $Ji. Ajit. VII (1914) p. 1696. In a dry, sandy meadow on an islet in the river Abakan, near Ust Kamuishto. Distribution: South-eastern Russia, Trans Caspia, Siberia. TriOcum cristatum (L.) Schreb. Gram. II (1779) Tab. 23, Fig. 2; Ledeb. Fl. Alt. I, p. 113; Turczan. Cat. Baical. no. 1326; Karel. et Kiril. PI. Fl. Alt. no. 940; Ledeb. Fl. Ross. IV, p. 337; Turczan. Fl. (1856, I) p. 57, no. 1354. Agropyrum cristatum Bess., KptM. $jr. Ajit. VII (1914) p. 1699. subspec. imbricatum (M. Bieb.) Aschers. et Graebn. Synops. Mitteleur. Fl. (1901) p. 669. f. abakanense nov. f. Glumis distincta basi latissimis superne sensim cuneiforme atlenualis, et in aristam longiorem saepius paululum recurvaiam productis. The lower pale is 8—9 mm. long, the upper one only J^ to 5^ as long as the lower one. It is especially the structure of the glumes and the great difference in the size of the 2 pales by which this form is charac- terized. But, on account of the scarce material I have had at my disposal, I cannot express any opinion on the constancy or systematic value of these characters. Each spikelet generally contains 4 florets. On sandy soil on the Abakan Steppe, near Askys, and in the neighbour- hood of Ust Abakansk, and also
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