Poaceae

D. caespitosa (L.) P. Beauv., Ess. Agrost. 91 & 160 (1812). Syn: Aira ces-pitosa L., Sp. PL 64(1753)! D. caespitosa (L.) P. Beauv. var. colorata Griseb., Spic. 2:457 (1844)! Ic: Trin., Sp. Gram. 3(22):253 (1829?), as A. caespitosa: Hubbard, Grasses ed. 2:252 (1968). Map 63.
Densely caespitose perennial. Stems 28-110 cm, erect or slightly bent at base, smooth. Ligule 3-15 mm, acute. Leaf blades 9-30 cm x 2-5 mm, linear, acuminate, sometimes convolute, green or glaucous, ribbed above, aculeolate on margins and ribs, smooth beneath. Panicle 10-30 x 1.5-29 cm, open, lax, ovate to oblong; branches 2-13 cm, very slender, rough, spreading; pedicels 1-9 mm, smooth or aculeolate. Spikelets 3-6 mm, silvery, purplish or stram-ineous, lanceolate to narrowly oblong. Rachilla prolonged by up to 1/2 length of upper floret. Glumes equalling spikelet or slightly shorter; lower 3-4.2 mm; upper 3.5-5 mm. Lemma 3.1-4.6 mm, enclosed in glumes or their tips pro-truding, rounded on back, oblong, with fine straight awn from just above base; awn 2-4.5 mm, not twisted. Palea slightly shorter than lemma. Anthers 1.5-2 mm. Caryopsis enclosed by firm lemma and palea. Fl. 6-8. Alpine and sub-alpine water meadows and near streams, 1000-3000 m.
Described from Europe (Hb. Linn. 85/8!).
Widespread. A2(E) Istanbul: Bourounsouy to Djendere (Belgrad forest), 17 vi 1918, Azn.(!). A2(A) Istanbul: Zisso Çiftlik, nr Beykoz, 4 vi 1900,Azn.! A3 Bolu: Abant G., 1350 m, A. & T. Baytop (İSTE 1840)! A4 Kasta-monu: N. side of İlgaz Da., 2100 m", D. 38361! A5 Yozgat: 5 km N.W. of Boğaz Kale, 1000 m, It. Leyd. 1959:1961! A6 Sivas: 5 km from Çat Pinari to Yeniköy, 1600 m, D. 68882(!). A7 Trabzon: d. Maçka, Hamsiköy, Balahor Y, 1650 m, Anşin 533! A8 Rize: Çamlihemşin, Amlakit Y., 2200-2720 m, Güner 1069! A9 Kars: Yalnizçam, 1900m, D. 29662! Bl Balikesir: Kaz Da., 1970, Quezel. B6 Maraş: d. Çardak, Kandil Da., 1800 m, D. 20259! B7 Erzin-can: 48 km from Erzincan to Sivas, M. Tanker (İSTE 5624)! B8 Erzurum: Büyük Ejder Da. S. of Erzurum, 2300 m, Holtz 00.945 et al.! B9 Van: d. Hoşap, Kepir Da., 2900 m, D. 23333! B10 Ağri: Grand Ararat (Büyük Ağri Da.), 2400 m, 11 viii 1910, G. & B. Post 2124 (var. colorata){!). C3 İsparta: mt. Anemas (Anamas Da.), 1980 m, Heldr. (var. colorata). C5 Adana: Karan-fil Da., Bisby B98! C9 Hakkari: 10 km from Hakkari to Kaval (Piyannis), 2400 m, D. 45418! C10 Hakkari: Sat Da. (above Yüksekova), 2700 m, Dun-can & Tait 114!
N.W. & C. Europe, Mediterranean area (except E.), Caucasia, Turkestan, E. Asia, N. America.