116 A FLORA OF GIBRALTAR AND THE NEIGHBOURHOOD 
rare; 6-7. III. i. Queen of Spain’s Chair! ii. Mountains 
beyond Waterfall! (2259). Dr. Stapf has only seen the latter 
specimen, which he considers inseparable from type. 
Var. orophila Hack. has a denser panicle with less spreading 
branches. III. ii. Summit of S. de Palma, Rev. Probably same 
station as mine. 
Avena sterilis L. Dry fields and waste places; frequent; 4-6. 
Spikelets much larger than in next, only one floret disarticulating. 
I. Thinly seattered! III. i. and ii.! 
[Var. maxima P. L., a stout form, and var. scabriuscula P. L. 
a more slender one, with lower part of awn scabrid, not villous 
are said to be as common as type in province.] 
A. barbata Brot. Similar places; common; 4-6. All florets 
disarticulating. I.! III. i. and ii.! 
. sulcata J. Gay. Rough bushy places; rare; 4-6. Lower 
pale with 5-7 strong nerves, glabrous, with a tuft of hairs at base 
as long as pale. III. ii. S. de Luna, Winkl. 
A, albinervis Boiss. Similar places; locally frequent; 4-6. 
Lower pale much less strongly nerved, hairy in lower third. 
? 
? 
. ides Gouan. Similar places; rare; 5-6. I. Medi- 
terranean Steps! Willis’s! 
tArrhenatherum elatius M. & K. Dry bushy places and woods; 
frequent? 5-6. IIT. i. Near San Roque, Brouss. ii. Near 
Algeciras, fev. iii. At Palmones, Rev. Perez Lara has not seen 
this or the variety in the province, and suspects that the next 
species may have been mistaken for it. 
tVar. bulbosum Gaud. differs only in the base being swollen into 
one or more superposed bulbs, and is the only form I have seen. 
III. i. Queen of Spain’s Chair, frequent! ii. About the Water- 
fall!? Perhaps A. pallens has been mistaken for it in the last 
+A. pallens Link. (A. Thorei Dub imi ; local; 
: , y). Similar places; local; 
5-6. Spikelets es iad both florets usually fertile, awn rey 
W. ‘ 
Trisetum Dufouret B. & Sandy fields and woods; 0¢ 
sional; 4-5 igule a ring of hairs, spikelets 2-flowered, aw? 
2-3 times as long as sete of pale. III. i. Sandy woods near 
Cork Woods! ii. Palmones Pinar! (959 
