i^siuoA. 431 



branclies rough, spikelets of 3—5 awnless acute fl., lower pale 

 rough, dorsal rib serrulate throughout, 1. lanceolate-linear with 

 rough margins.— Poa P. 44 & 100. F. Calamaria Sm., E. B. 

 1005. — Scarcely creeping. St. 2 — i feet high, covered at the 

 base with imbricate broad acute leafless sheaths, tufted. L. 

 ■very long, broad, roughish on both sides ; uppermost 1. smaller. 

 Lower pale very acute ; midrib extending nearly to the tip or 

 slightly beyond it. Ovary pilose at the top. — (3. F. decidua (Sm.) ; 

 1. narrower, fl. about 2. E. B. 22G6. — Woods in mountainous 

 districts. P. VII. E. S. I. 



tt Uppermost ligule very short. Lower pale 6-veined. 

 BucETDM Pam. 



9. F. gigantea (ViU.) ; pan. open drooping branched, spikelets 

 of about 5 awnedjl., dorsal rib of lower pale nearly smooth not ex- 

 tending to the tip but ending m a rough awn tieiee as long as the 

 pale, 1. linear-lanceolate.— -B. B. 1820. P. 47.— St. 3—4 feet 

 high. L. very long, broad, roughish on both sides, except near 

 the base on the underside. Ligule unequal, auricled. Lower 

 pale roughish, membranous, often bifid at the tip. Top of the 

 ovary glabrous. — (3. F. triflora (Sm.) ; pan. smaller and more 

 erect, spikelets scattered of about 3 flowers. E. B. 1918. — Moist 

 woods and thickets. P. VII. E. S. I. 



10. F. arundindcea (Schreb.) ; panicle diffuse patent, branches 

 mostly in pairs each bearing 2 or more ovate-oblong spikelets 

 divaricate with fl. or afterwards, spikelets very many of 6 — 6 

 closely placed fl., dorsal rib of lower pale ending at or just below 

 the tip or forming a short awn, 1. linear-lanceolate. — F. elatior 

 Sm., E. B. 1593. P. 46, 47.— St. 2—6 ft. high, forming large 

 tufts. L. broad. — There are two forms of this plant. — a. F. 

 arundinacea (Schreb.) ; pan. -branches divaricate with fl. and 

 fruit. A very large plant, 3 — 6 ft. high. — 18. F. elatior (L. r) : 

 pan.-branohes shorter " divaricate with fl. afterwards ascend- 

 mg." — a. Banks near the sea. ;S. Damp pastures. P. VI. VII. 



E. S. I. 



11. F. praten'sis (Huds.) ; pan. close subsecund, branches in 

 pairs one bearing a single spiketet the other several never divai'icate, 

 spikelets linear-oblong of 5 — 10 rather distant fl., dorsal rib of 

 lower pale ending at or just below the tip or forming a very 

 short awn, L linear-lanceolate. — E. B. 1592. P. 46. F. elatior 

 Koch. — A smaller plant than the preceding. Rachis triangular. 

 Pan.-branches ascending; one of each pair nearly always reduced 

 to a single spikelet. In this and the preceding the pale is blunt 

 or acute according as the midrib is or is not attached up to the 

 tip. — /3. F. loUacea (Huds.) ; spikes solitary alternate long slen- 



