DACTYLIS. 



Analysis. The student will analyze throughout as we 

 have done in Spear-grass, making special note of the points 

 of difference in the two plants, such as the following. 



The Orchard-grass 

 is rough to the touch 

 s ca~brous. The 

 leaves and even the 

 sheaths are decided- 

 ly keeled (carinate, 

 or boat-shaped). 



The ligule is ex- 

 cessively large, and 

 split or bifid. 



The branches of 

 the panicle are sin- 

 gle. 



The spikelets are 

 collected in dense, 

 one-sided (secund) 

 clusters. While 

 closed they are lance- 

 olate, 2-3" long, 

 about 4 - flowered, 

 with the flowers a 

 little separated on 

 the rachis. The 2 

 glumes and the lower 

 pale are rough-ciliate 

 (with a row of short 



hairs) On the keels, FlG LXXIII.-Dactylis glomerata: 1, a spikelet 



and narrowed to with 2 S lumes i 4 flowers and 1 rudiment ; 2, a flower. 



an awn-like point. There are 3 stamens, 2 feathery stigmas, 

 and a lanceolate grain free from the pales. 



