164 Gramineae. 



ALOPECU'RUS PRATEN'SIS (104). Common Fox-taU Grass. 

 (1646) 4—6. Stem 1—2 ft. erect smooth, panicle cylindrical obtuse 1^—2^ 

 in. long. Meadows. Fig. p. 162. 



ALOPECU'RUS GENICULA'TUS (108). Floating Fox-tail Grass. 

 (1644)4 — 8. Stem 6 — 18 in. ascending smooth bent at the joints, panicle 

 cylindrical obtuse i — 1\ in. long. Wet meadows and ditches. 



ALOPECU'RUS AGRES'TIS (60). Slender Fox-tail Grass. 4—6. 

 (1642) Stem I — 2 ft. erect rough, panicle cylindrical 2 — 3 in. slender acute. 

 Fields and roadsides. 



Vn.—PHLEUM. 



PHLE'UM PRATEN'SE (104). Common Cat's-tail Grass. 6—7. 



(1650) Stem I — 2 ft. erect smooth, spikelets one-flowered in a dense cylindric 

 spike-like panicle I — 6 in. long, glumes truncate spine-tipped keeled 

 and fringed on the keel, awn ^ length of glume. Pastures. 



Will.— AGROSTIS. 



Panicle loose, spikelets very small, glumes nearly equal awnless, palese 

 unequal the exterior with or without an awn, stigmas feathery. 



Palea awned, ....«*... A. canina. 



Palea awnless, 642 



642 Panicle always spreading, A. vulgaris. 



642 Panicle compact after flowering, . . . . H. alba. 



AGROS'TIS CANI'NA (93). Brown Bent-grass. 6—7. Stem 1—2 

 {1655) ft., leaves 2 — 5 in. narrow, panicle 2 — 4 in. erect, branches long 



slender spreading, empty glumes 2 unequal, inner palea wanting, outer 



palea toothed awned, awn bent. Moors. 



AGROS'TIS VULGA'RIS (112). Fine Bent-grass. 7—8. Stem i— i^ 

 (1657) ft., panicle always spreading, branches slender, empty glumes 2 nearly 

 equal, inner palea 2-nerved, outer palea 3-nerved 3 times as long as 

 the inner palea, awn short or none. Fastwes and roadsides. 



AGROS'TIS AL'BA (103). Marsh Bent -grass, Fiorin-grass. 7—8. 



(1656) Stem 1—2 ft., leaves short flat narrow acute, panicle spreading in 

 flower contracted in fruit, empty glumes 2 nearly equal, inner palea 

 2-nerved, outer palea 5 -nerved twice as long as the inner palea awnless 

 Fastures and zuaste places. 



IK.— AMMO PHIL A. 



AMMOPH'ILA ARUNDINA'CEA (60). Sea-reed. 7—8. Stem 2— 4 

 (1667) ft., leaves long rigid glaucous, panicle spike-like 3 — 6 in. cylindrical 



acuminate, empty glumes 2 long narrow keeled, palese similar to the 



glumes. Seashores. 



