POA TRIVIALIS. 
Linnzvus. Hooxer anp Arnott. SmitH. Parnett. Kocna. 
GREVILLE. Kunts. LinpieEyY. WILLDENoW. CURTIS. 
Kwarr. Srncnarr. Scnraper. Host. Deakin. Macreient. Basineton. 
Ratrs. Hupson. Wituerine. Hutt. Retyan. SiptrHorr. ABBOT. 
PLATE XXXVIII. 
Poa dubia, LEERs. 
*  seabra, Euruabrt. 
** — setacea, Hupson. 
The Roughish Meadow-Grass. 
Poa—Grass. Trivialis—Trivial. 
A VALUABLE agricultural Grass for moist, rich, and sheltered 
soils. 
Common throughout England, Scotland, and Ireland. Found 
in France, Italy, Germany, Spain, Portugal, Prussia, Denmark, 
Switzerland, Sweden, Norway, Lapland, Iceland, Asia, and 
North America. 
Stem upright, base decumbent, circular and rough, bearing 
five or six thin, flat, acute, rough leaves, with rough, striated 
sheaths; upper one much longer than its leaf, and having a 
lengthy pointed ligule at the apex. Joints smooth. Inflores- 
cence panicled; panicle upright; branches spreading, rough, 
basal ones in threes or fives. Spikelets ovate, compressed, and 
of two to five awnless florets; apex of basal floret stretching 
slightly beyond the large glume of the calyx. Calyx of two 
equal, acute glumes, upper one three-ribbed, lower one destitute 
of lateral ribs. Dorsal ribs strongly dentate. Florets of two 
