Pagina 281 - Flora of the Southern Carnic Alps

281
921 Spikelets awned
Bothriochloa
ischaemum (L.)
Keng
921 Spikelets awnless 922
922
Spikelets inserted on
both sides of the
rhachis. Spikes
diverging from the
same point at the apex
of stem
Cynodon dactylon
(L.) Pers.
922
Spikelets inserted all
around the rhachis.
Spikes diverging from
different points at the
apex of stem
923
923
Basal sheaths more or
less hairy. Plant 10-40
cm tall. Upper glume
shorter than the fertile
lemma (magnifying
glass)
Digitaria
sanguinalis (L.)
Scop. subsp.
sanguinalis
923
Basal sheath hairless.
Plant rarely > 20 cm
tall. Upper glume c. as
long as the lemma
Digitaria
ischaemum
(Schreb. ex
Schweigg.) Schreb.
ex Muhl. subsp.
ischaemum