420 



910. ELYMUS, 



B. Glumes and lower Pale awned. 



3. europseus. Spicules 1-2-flowerecl, 

 rough, ternate. Glumes lineari-subulate, as 

 long as spicule. L. smooth. Sheaths hairy. 

 p. 7, 8. Sandy hills. 



4. crinitus. Spicules in pairs, erect, 1-2- 

 flowered. Glumes lineari-subulate, awned. 

 Outer Pale rough, with an awn many times 

 longer than itself, a. 5, 6. Fields and rub- 

 bish. Trieste. Mina. 



911. HORDEUM. 



A. Annual. Cultivated. 



1. vulgare. Elts. aU complete, awned. 

 Seeds in 4 rows. Culm erect, a. 6, 7- 



2. hexastichum. Fits. aE. complete, 

 awned. Seeds in 6 rows. a. 6. Cult, in G. 

 Switzerland. 



3. disticliuni. Lateral Fits, barren, li- 

 near, awnless. Perfect Fits, ovate, in 2 rows. 

 Awn erect, a. 6, 7- Cult. G. 



4. Zeocriton. Lateral Fits, barren, li- 

 near, awnless. Perfect Fits, ovate, in two rows. 

 Awn spreading, a. 6, 7- Cult, in G. 



B. Not cultivated. 



5. murinum. Fits. aU awned; lateral 

 barren or neuter. Glume of intermediate Fit. 

 Kneari-lanceolate, ciliate, rough ; interior valves 

 of barren Fit. ciliate at base on one side. 

 a. 7. Woods and rubbish. 



p. pseudo-tmirinum, Koch. Glumes broader. 

 Interior valve of barren Fit. ciliate at 

 base on both sides. 



6. maritimum. Fits, hairless ; lateral bar- 

 ren, with a short awn. Glumes rough. Inner 

 Glume of lateral Fits, semilanceolate ; the rest 

 setaceous. Outer Pale of perfect Fit. nearly 

 nerveless, a. 5. Dry shores. 



j8. pubescens, Guss. Fits, pubescent. Outer 

 Pale 3 -nerved. Pal. 



7. pratense. Lateral Fits, bai-ren, with 

 short awns. All Glumes setaceous, rough, p. 

 6, 7. Pastures. Br. G. Switz. very rare. 

 Mountains, Sic. 



8. strictuin. Lateral Fits, barren, stalked. 



awnless. Perfect Fit. with a long awn. Glumes 

 setaceous, rough. — Seb. and Mauri. United 

 by Kunth with bidbosum. p. 4-6. Meadows 

 and pastures. Rome. 



9. bulbosum. " Fits, all perfect, awned. 

 Glumes setaceous, ciliate at base. p. It." — 

 Linn. 



Tribe XIII. PAPPOPHORJE. 

 912. ECHINARIA. 



1. capitata. Spike ovoid, simple, a. 4, 5, 

 w. and s. Fr. It. occ. 



Tribe XIV. ROTBOELLACE^. 



913. NARDUS. 



1. striata. Spike one-sided, straight, three 

 times as long as sheath, p. 7. Heatlis, n. E. 

 Mountains, It. 



914. PSILURUS. 



1. aristatus. Spike very slender, curved, 

 a. 4, 5. Dry barren hills, mdt. Fr. It. Sic. 



915. LEPTURUS. 



1. cylindricus. Spike subulate, subin- 

 curved. Glume single ! ensiform, acuminate, 

 adpressed, 1-flowered, awnless. a. 6. Sandy 

 shores. Mdt. and at Angouleme. 



2. incurvatus. Spike taper, incurved. 

 Fit. 1, with a minute rudiment ?, awnless. L. 

 flat. a. 5, 6. Salt. 



3. filiformis. Spike taper, subcompressed, 

 erect. Glumes 1-flowered. L. channeled. 

 p. 5. Shores, s. Em\ Hoist. 



4. fasciculatus. Spikes axUlary, clus- 

 tered !, cm'ved. Spicules 1-flowered, in 4 rows 

 (in 2 when fresh, Guss.). Glume single. Stem 

 decumbent, a. 7-9. Naples. Pasione. 



5. pannonicus. Spike taper, erect. Two 

 complete Fits. L. flat. a. Fr.— Kunth. 



