Tt. 
Ze Ie spicatun ecderrt—(Serions tit : Culms tufted, erect, 
20-60 cm. tall, glabrous; sheaths snooth or scaberulous; blades flat, lax, 
scabrous, 1-3 mm. wide; inflorescence dense spikelike, interrupted below, 
5-10 cme long; spikelets 5-5 flowered, 5-6 mm. long, pale or tinged with 
purple; first glume l-nerved, the second s-nerved, a little longer and 
broader than the first; lemmas 4-5 mm. long, scabrous, awned from the back 
one-third below the apex, the awn divergent, usually loosely twisted below, 
about 5 mn. long. 
Mountain meadows and rocky sloves. The plant found in our region is the 
nearly glabrous form which has been called T, spicatum var. congdoni (Scribn, & Cap. 
Merr,) Hitchce 
oe Te. canescens Buckle M—— >} Culms solitary or few together, erect or 
ascending at the base, as much as 80 cm. tall; sheaths retrorsely pilose, 
sometimes only scabrous; ligules 2-3 mn. long; blades flat, scabrous or 
pilose on both surfaces, 5-15 om. long, 2-7 mn. wide; inflorescence open, 
but rather dense, 10-20 cm. long, the branches spikelet-bearing from near 
the base; spikelets 2-flowered; first glume narrow, l-nerved, lanceolate. acum- 
inate, 4-5 mm. long, the second broad, oblong, 3enerved, narrowed near the 
sip to an acute or obtuse apex; lemmas scabrous, 5-6 mm. long, the teeth 
setaceous, awned from a little above the middle, the awn loosely twisted 
below, geniculate, divergent»10-12 mne long. 
et mountain meadows, open woods and along streams. 
4. T. cernuum Trin. >Culas slender, lax, as much as 100 on. tall; 
Sheaths smooth or scaberulous; ligules 2-3 mn. long; blades thin and lax, 8-20 
cme long, 5-12 mme wide, scabrous on both surfaces; panicles flemous, 10-20 
cme long, the branches somewhat Spreading, few flowered, naked below; spikelets 
2-flowered; glumes very unequal, the first narrow, acuminate, lanceolate, 
l-nerved, 1-4 mm., usually about 2mme, long, the second oblong, J-nerved, 
4-5 ma. long, abruptly narrowed near the swnmit to an acutve apex; lemmas 
=D 
scabrous, 5=G mme long, the teeth Setaceous, the ayvms Slender, Plemous,y 
spreading, not twisted bolow, mostly 10 mn. long. 
woist meadows, woods, and rocky ledses. 
