24 TRIANDRIA DIGYNIA. [CI. 3. 



/3. F. caesia, 27. 1917. Glauc. Inner valve somewhat hairy. 

 Dry past. If. 6. 6 — 12 m. Paw. lanceol. Stip. short and obtuse. 



2. F. vivipara, 19. 1355. (Viviparous F.) Panicle unilateral, rather 



close. Florets compressed, keeled, awnless, somewhat downy, 

 as well as the edges of their inner valve, and the calyx. Stem 

 square. Leaves folded, bristle-shaped, smooth. 

 Lofty mount. If. 7. Pan. short, nearly simp. Fl. often vivip. 



3. F. duriuscula, 7. 470. (Hard F.) Panicle unilateral, spreading. 



Florets longer than their awns. Stem round. Upper leaves flat. 

 Root fibrous. 

 Mead, and past. If. 6. H — %f, striated, smooth. Flor. keeled. 



4. F. rubra, 29. 2056. (Creeping F.) Panicle spreading, unilateral. 



Florets longer than their awns. Leaves downy above. Root 

 extensively creeping. 

 Hills and sea-shores.lf.7. L. pointed, involute, somewhat glaucous. 



5. F. bromo'ides, 20. 1411. (Barren F.) Panicle racemose, nearly 



erect. Florets tapering, shorter than their awns, rough at the 

 top. Leaves tapering, shorter than their sheaths. 

 Walls and sandy gr. 0. 6. Pale. Pan. short. Upper half of 

 the stem naked. 



6. F. Myurus, 20. 1412. (Wall F.) Panicle drooping, elongated, 



rather close. Florets tapering, shorter than their awns, rough 

 at the top. Leaves awl-shaped. 

 Walls and sandy gr. © . 6. Pan. very long. Stem leafy to the summit. 



7. F. uniglumis, 20. 1430. (Single-husked F.) Panicle erect, nearly 



simple. Florets tapering, compressed, awned. One valve of 

 the calyx very short. 

 Sandy shores. 0. $ . 6. Stems several, 6 — 14 in. leafy, smooth. 

 Flor. keeled. 



8. F. gigdntea, 26. 1820. (Tall F.) Panicle drooping, twice com- 



pound, spreading. Florets from three to six, ovate-lanceolate, 

 shorter than their awns. Stipula abrupt, auricled, clasping the 

 stem. 



P>. F. triflora, 27. 1918. Smaller and more slender, with fewer florets. 



Woods and hedges. If. 7, 8. Stem 3 — 4f. Sp. ovate, smooth. 



9. F. calamdria, 14.1005. (Reed F.) Panicle repeatedly compound, 



spreading, erect. Florets from two to five, oblong, angular, cy- 

 lindrical, keeled, pointed ; inner valve folded in the middle. 



/3. F. decidua, 32. 2266. Smaller and more slender. Up.fl.decid. 



Alpine woods. If. 7. Stem 3f. Leaves sword-shaped, striated. 



10. F. lolidcea, 26. 1821. (Spiked F.) Spike two-ranked, drooping. 

 Spikelets nearly sessile, linear-oblong. Florets cylindrical, awn- 

 less, pointed, with five slight ribs. 



Humid mead. If. 6, 7. About 2f. Spikes long, with altern. spikel. 



11. F. pratensis, 23. 1592. (Meadow F.) Panicle nearly upright, 

 branched, spreading, turned to one side. Spikelets linear, com- 

 pressed. Florets cylindrical, obscurely ribbed. Root fibrous. 



Mead and past. If. 6, 7. 2f. tipper leaves rough. Nect. 4-cleft. 

 Fl. numerous. 



