al llic lop. Willi a l)ioa(l incinbianous edge. The lower glunie only % as long, 1-nervcd. 

 The pales are sunouiuled by a lull of hairs at llie base, the lower one l-nervcd, some- 

 what roughly dolled, bicuspidale or slighlly lalleicd al liic lo|). about Ihc middle fui- 

 nished wilh a long, rough, geniculate awn, projecling 12 lo VA nun. beyond Ihe apex ol 

 Ihe pale ilself. The upper pale is slighlly 2-nerved, 2-loolhed al Ihe apex, of the same 

 length as Ihe outer one. 



Thus, tliis 1(11111 is especially characterislic in having a narrow, Icw-ilowered panicle, 

 always witli unramil'ied branches reduced lo pedicels. Tlic u|ip(i- glume is generally so 

 large as lo enclose the -spikelet completely. 



This variety may possibly have a greater systematic value; however, this question 

 must be left undecided, as my material is too scare to enable me lo I17 the value of Ihe 

 various chai-acters. (lathered in thickets near Kushabar, in full flower at the end of 

 .Inly. 



Distribution: The species Avena pabescens is distributed over Europe, except the 

 extreme northern and south-western portions, Caucasia, Asia Minor, south-western and 

 western Asia, Siberia, eastwards to Ti-ans Baikal. 



Avena pratensis L. Spec. PI. ed. II (1762) p. 119; Ledeb. Fl. Ross. IV. p. 414 

 ex parte; Turczan. Fl. Baical.-Dahur. (1856, I) p. 34, no. 1322 ex parte; KpLu. <lJ.i. A.it. 

 Vn (1914) p. 1619. Avena pratensis L. var. in Ledeb. Fl. Alt. I, p. 90. Avena pralensis 

 L. var. tijpica Korshinsky, Tent. Fl. Ross. Orient. (1898) p. 471, no. 1451. 



In dry grass-field, and on steppes near Buistraja and near Askys, on the Abakan 

 Steppe. In full flower in the middle of June. 



Distribution: Middle and northern Europe, Siberia, North Africa (?). 



Avena Schelliana Hackel in Act. Hort. Petropol. XII (1893) p. 419. Avena pra- 

 tensis L. in Ledeh. Fl. Ross. IV, p. 414 ex parte; Turczan. Fl. Baical.-Dahur. (1856, I) 

 p. 34, no. 1322 ex parte. Avena pratensis L. var. Schelliana (Hackel) Korshinsky, Tent. 

 Fl. Ross. Orient. (1898) p. 471, no. 1451; Kptu. $ji. Ajit. IV (1914) p. 1619. 



Rather frequent on the Abakan Steppe, near Askys. Specimens taken in the middle 

 of June, bearing young flowers, not fully opened. 



Distribution: Eastern Russia, southern Siberia, Manchooria, North Africa. 



Avena planiculniis Schrad. Fl. German. 1 (1806) p. 381; Ledeb. Fl. Ross. IV, p. 414; 

 Turczan. Fl. Baical.-Dahur. (1856, I) p. 35, no. 1323. 



Pretty common on an islet in the Yenisei, near Usl Abakansk, among grass, in 

 somewhat moisl brush-wood. With young flowers at the beginning of June. 



Distribution: South-eastern Europe, south-western Asia, Siberia, Manchooria. 



Beckmannia eruciformis (L.) Host, Gram. Austr. Ill (180.')) p. 5; Ledeb. Fl. 

 Alt. I, p. 94; Turczan. Cat. Baical. no. 1310; Karel. el Kiril. Enum. PI. Fl. All. no. 917; 

 Ledeb. Fl. Ross. IV, p. 453; Turczan. Fl. Baical.-Dahur. (1856, I) p. 8. no. 1286; Kpu.T. 

 (D.T. A.iT. IV (1914) p. 1622. 



U 



129 



