GRAMINA. 



419 



14. repens. Spicules about 5-flowered. 

 Glumes lanceolate, acuminate, B-nerved. Pale 

 obtuse or acuminate; with or without awn. 

 L. with a simple row of minute points on the 

 nerves on the upper surface, p. 6, 7- Cult. 



15. cristatum. Spicules closely imbri- 

 cate, depressed, straight, 3-7-flowei'ed. Glumes 

 elliptic, keeled, awned, obscurely ribbed. Culm 

 simple, p. 7. Sea-side. Between Arbroath 

 and Montrose. Very rare. 



ii. Root not creeping. 



16. rigidtma. Spicules 5-10-ilowered ; 

 the lower remote. Glumes oblong, 9-nerved, 

 very obtuse or broadly truncate, half as long 

 as spicule. Pale veiy obtuse, awnless. Rachis 

 harsh. L. very rough above. (Root sometimes 

 slightly creeping. Beet.), p. 6, 7- Sandy. 

 Boh. Aust. Shores at Venice and Trieste. 



17. seirpeum. " Spicules cuneato-ovate, 

 remote, truncate. Outer Pale truncate. Ra- 

 chis rough, with prickly edges. Culm hollow. 

 L. involute, somewhat hairy. (Root somewhat 

 creeping, Guss.). p, 6, 7. Salt marshes. 

 Sicily."— Bert. 



18. panormitanujin.. "Spike few-flow- 

 ered, generally involucrate with the somewhat 

 ventricose sheath of the upper L. Spicules 

 slightly imbricate. Glumes 7-9-nerved, acu- 

 minate, equalling the spicules (exclusive of the 

 awn). Fits, about 5. Awn of outer Pale 

 longer than floret. L. flat, at last involute. 

 Root fibrous, p. 5, 6. Cole, mountains. Pal." 

 ■ — Parl. 



19. caninnm. Spicules about 5-flowered. 

 Glumes 3-5-nerved, acute. Fits, awned. Ra- 

 chis asper. L. rough on both sides. Root 

 fibrous, p. 6, 7. Shade. 



20. biflorum. Spicules 2, rarely 3- or 4- 

 flowered. Glumes lanceolate, acuminate, 3- 

 nerved. Awn three times as long as pale. Ra- 

 chis rather rough. L. hairless, rough on mar- 

 gin, p. 7, 8. . Alps of Goritz. 



908. SECALE. 



1. cereale. Spicules 2-flowered. Glumes 

 1 -nerved. Rachis tough, a. 5. Cult, and 

 occ. escapes. 



2. raontannm. Rachis hairy, brittle. 

 Glumes 2-flowered, 1 -nerved, linear, acute or 

 with a short point. Root fibrous, p. 6, 7. 

 Gravelly mountains. Sicily. 



3. villosum. Spicules 4-flowered. Glumes 



3 



with 2 or 3 strong ribs, uniting into a single 

 cusp : one of them with tufts of hair. a. 5, 6. 

 Dry fields. Lyon. Cors. It. 



909. iEGILOPS. 



1. ovata. Spike ovoid. Spicules 3-5. 

 Glumes with 4 or 5 awns. Awns aculeato-asper 

 from base, nearly equal in all the spicules. 

 Pale 2-3-awned. a. b. 5, 6. Dry granitic. 

 s. Europe. 



3. triticoides. Spike cylindrical. Spicules 

 4-7. Glumes with 2-3 awns, which are nearly 

 equal in all the spicules, and aculeato-asper from 

 base. Pale with 1 or 2 awns. a. 5. lapygia. 



3. neglecta. " Spike ovato-elongate, nar- 

 rowed upwards. Spicules about 5, tiled. Glumes 

 turgid, hirsute. Awns 3, nearly equal in aU the 

 spicules, not aculeato-asper at base. Outer Pale 

 densely ciiiate. a. 5. Fields. It." — Bert. 



4. triaristata. Spike cylindrical, narrowed 

 at top. Spicules about 4. Glumes with 3 

 awns, nearly equal in aU the spicules, without 

 prickles at base. Pale with 1 or 2 short awns. 

 a. 5. Cult. It. Trieste. 



5. triuncialis. Spike cylindrical, 4-6- 

 flowered. Lower Glume with 2, upper with 

 3 awns. Awns of tenninal Spicules much 

 longer than the others. Pale with 1 or 2 short 

 awns. b. 5, 6. Dry. s. Pr. 



6. caudata. Spike cylindrical. Spicules 

 5-8. Glumes ending in 2 unequal teeth : those 

 of terminal Spicule with a single long awn. 

 Pale of lateral Spicules awnless, or with a sin- 

 gle short awn ; of terminal Spicule with a long 

 awn. a. 5, 6. Vineyards. Aosta. Accord- 

 ing to Kunth, this, the A. cylindrica of Host 

 and Bert., is the caudata of Linn., squarrosa 

 of -DC 



910. ELYMUS. 



A. Glumes and outer Tale pointless., 



1. arenarius. Spike erect, dense. Spi- 

 cules about 3-flowered, pubescent: the upper 

 and lower in pairs ; intermediate ones in thi-ees. 

 Glumes ciiiate, longer than' spicule. L. invo- 

 lute, rigid, p. 7. Sandy shores. Ocean. 

 Baltic. 



2. geniculatus. Spike bent down. Spi- 

 cules about 3 -flowered, pubescent; lower re- 

 mote. Glumes hairless, longer than spicule. 

 L. involute, rigid, p. Sandy shores, e. Eur. 

 Holland. 



