Ord. 3. "J TRIANDRIA DIGYNIA. 17 



30. PHLeUM. Cat's-tail grass. 



1. Ph. pratense, 15.1076. (Common C.) Clusters spiked, cylin- 



drical. Calyx abrupt, fringed at the keel, longer than its awns. 

 Mead, and past. If. 6 — 10. Root sometimes bulbous. Spike 2 — 5 in. 



2. Ph. alpinum, 8. 519. (Alpine C.) Clusters spiked, ovate-oblong. 



Calyx abrupt, fringed at the keel, as long as its awns. Root 

 tuberous. 

 Mount, in Scot. If . 7. Sp. scarcely 1 in., thickened. 



3. Ph. asperum, Ph. paniculatum, 15. 1077. (Rough C.) Panicle 



spiked, cylindrical. Calyx wedge-shaped, swelling upwards, 

 pointed, rough ; keel naked. Stem branched. 

 Dry fields, rare. © . 7. Root fibrous. Pan. green, awnless. 



4. Ph. Boehmeri, Phalaris phleoides, 7. 459. (Purple-stalked C.) 



Panicle spiked, nearly cylindrical. Calyx-glumes linear-lanceo- 

 late, slightly pointed, nearly smooth, abrupt at the inner margin. 

 Stem simple. 

 Sandy plains, rare. If- 7. Stem purp. 1 — 1^ f. Cor. pointed. 



5. Ph. Michelii, 32. 2265. (Michelian C.) Panicle spiked, nearly 



cylindrical. Calyx-glumes lanceolate, taper-pointed, hairy, 

 fringed. Corolla oblong, firm, hairy ; inner valve cloven. 

 Lofty rocks, Clova. If- 7. Pan. purple. L. green. 



6. Ph. arenarium, Phalaris aren. 4. 222. (Sea C.) Spike slightly 



panicled, ovate-lanceolate, obtuse. Calyx-glumes lanceolate, 

 fringed, thrice the length of the abrupt notched corolla. 

 Sandy sea coast. © . 6. Glauc. Steins several, 3 — 6 in. 



31. ALOPECURUS. Fox-tail grass. 



1. A. pratensis, 11. 759. (Meadow F.) Stem erect, smooth. 



Spike somewhat panicled. Calyx-glumes acute, hairy, combined 

 at the base, shorter than the awn of the corolla. 

 Mead, and past. If • 5. Spikes 2 in., soft and thick. 



2. A. alpinus, 16. 1126. (Alpine F.) Stem erect, smooth. Spike 



ovate, somewhat panicled. Calyx-glumes woolly, obliquely 

 abrupt, nearly as long as the awn of the corolla. 

 Mount, in Scot. If. 7. Stem I /. Spike scarcely 1 in. 



3. A. agrestis, 12. 848. (Slender F.) Stem erect, roughish. Spike 



racemose, nearly simple, tapering. Calyx-glumes almost naked, 

 combined at the base, dilated at the keel. 

 Fields and by road sides. ©. 7. Spikes 3 in., slender, acute. 



4. A. bulbosus, 18. 1249. (Bulbous F.) Stem erect. Spike tapering, 



perfectly simple. Calyx-glumes distinct, linear, pointed, downy. 

 Root bulbous. 

 Salt marsh, rare. If • 7- Stem a span high, slender. Sp. about l^in. 



5. A. geniculatus, 18. 1250. (Floating F.) Stem ascending, bent 



at the joints. Spike cylindrical, slightly panicled. Calyx- 

 glumes combined at the base, abrupt, fringed. Corolla notched, 

 its awn twice the length of the calyx. 



