269 
Festuca rubra near Cardiff. 
distance, diam. 0 8—1*0 mm., bearing 8 scale-leares, rooting at 
nodes and sometimes branching. 
Radical leaves 5 per shoot; sheath perfectly glabrous; ligule 
slightly bilobed; lamina makes a slight angle with shoot axis, light 
yellow-green (glaucescent) complicate, fairly rigid, length 23 cm., 
greatest diam. when closed 08 mm. 
Cauline leaves 2 (occasionally 3); sheath split, quite glabrous, 
only about half length of internode, base swollen green ; ligule as in 
grandiflora, lamina very poorly developed and of short duration. 
Haulm erect from near base, terminated by panicle; length 
including panicle, 46 cm., slender, upper half naked cylindrical, few 
striations visible when dry. 
Fig. 1. Subvar. grandiflora. Base of shoot, nat. size. 
Panicle sub-secund, erect, length 6 cm., fewer spikelets than 
B, densiusculous, open during anthesis, lower rhachillae not widely 
separated, internodes as in tetiuifolia. 
Spikelets fairly large, 12 mm. long, distinctly violaceous and 
hispidulous, having a “bloom”; 2 basal sterile glumes; 4—6 
(occasionally 7) flowering glumes, axis jointed. Sterile glumes 
as A. Fertile glumes all aristate, lanceolate, length 9 mm., ex¬ 
cluding awn, awns 3 mm. Palea superior as in B, but more 
hispidulous. Lodicules, stamens, ovary and caryopsis, as in 
tenuifolia. 
6 . Habitats of the forms. 
Sub-variety grandiflora : confined to soils more or less cal¬ 
careous formed from the softer mesozoic rocks, fertile and, on the 
