424 , 97. OEAMINEJE. 



joining to fdrm the shorfj awn. iLower^ pale shorter than its 

 awn ; or in an alpine form longer than it. — -Banks. P. VII. 



E. S. I. 



2. T. rSpetis (L.) ; spike rather close, gl. 5 — 7-ribbed equalling 

 at least f of the 4^5-fl. spikelet rough on the keel, lower pale 

 Acuminate, axis asperous, rachis with rough angles , not brittle, Z. 

 mostly flat the many slider ribs each bearing a row of deciduous 

 hairs above, soboliferous. — E. B. 909.' P. 63. — Ribs on upper 

 side of 1. not much raised nor nearly hiding the interm. surface 

 of the leaf. Itachis glabrous or downy with forward, prickles on 

 the angles. Gl. scarcely keele(J, acuminate-S(ibulate;;, ribs 

 reaching the tip. — /3. littoreum ; glaucous, 1. involute, pales-,mu- 

 cronate. Gl. more strongly, keeled, and pales blunt although, 

 mucronate ; otherwise like the type. — Common. /3. Sea-shores. 

 E. VL Comh-ffrass: . . E. S. I. 



, S. T. pun' gem (Pers.) ; spike, close, gl. with 7 — 9 thick ribs 

 npt exceeding J ihe 5 — 12-n. spikelet rough on the keel, lower 

 pale acute, axis asperous, rachis nearly or qidte smooth not 

 brittle, I. toUh involute edges the many thick closely-placed ribs 

 slightly rougt and each bearing a row of acute points above, 

 upper part of 1. wholly, jn^o^ute (subulate; and rigid), soboli- 

 ferous. — St. erect. Ribs on upper side of 1. so broad and so 

 elevated as nearly to hjde v the interm. part of the leaf. Gl. 

 keeled ; ribs reaching the tip. Lower pale of our plant usually 

 Siwned. Producing ' erect barren leafy clustered shoots. — Sea- 

 shores. P. VII. - E. S. I. 



4. T. acutiim (DC) ; spike rather close, gl. with 5 — 7 slender 

 elevated ribs blunt or apiculate not exceeding f of the S^— 8-fl. 

 spikelet, lower pale blunt mucronate, axis downy, rachis smooth 

 or slightly rough at the angles not brittle, 1. flat or with involute 

 edges the many thick closely placed ribs rough with mirmte sharp 

 points (asperous) aboye, soboliferous. — T. taxum Fr., Bab. T. 

 acutum DC. not Fries.-^St. , prostrate or ascending. Ribs of the 

 1., on each of which there is usually a deciduous rows of hairs, 

 not so completely hiding the intervening hollows as in Sp. 3. 

 Gl. keeled ; keel often with forward bristles, reaching the tip or 

 forming a slight mucro. Lower pale rarely shortly awned. 

 Producing decumbent and ascending, barren, leafy, clustered 

 shoots. — Sandy sea-shores. P. VII. VIII. E. S. I. 



5. T. juricmrri, (L.) ; spike rather loose, gl. with 9 — 11 slender 



scarcely elevated ribs blunt equalling at least | of the 4 8-fl. 



spikelet smooth on the keel, lower pale blunt rarely mucronate, 

 axis smooth or slightly downy, rachis brittle smooth, 1. involute 

 with many thick ribs with much spreading hair above, soboli- 

 ferous.— i'. .B. 814. P. 63.— St. prostrate. ' The short hairs on 



