TRITICUM. 



Switzerland. The neat quadrangular form of the ripe ear, 



as if carved out of ivory, is remarkable. The ftratu is hard 

 and firm, excellent for thatching. Flower rather better than 

 that of the preceding, making good, though not white, 

 bread, and chiefly efteemed for gruel. 



8. T. prqftratum. Traihng Wheat-grafs. Linn. Suppl. 



114. Willd. n. 9. Ait. n. 7. (T. pumilum ; Linn. Suppl. 



115. Willd. n. 10. Secale proftratum ; Pallas It. v. i. 

 485. Jacq. Hort. Vind. v. 3. 25. t. 44.) — Spike ovate, 

 comprefled, two-ranked. Glumes of the calyx and co- 

 rolla ftrongly keeled, longer than their awns — Found by 

 Pallas in the mod; barren fandy deferts near the Cafpian fea. 

 M. Thouin, in 1780, fent feeds to Kew garden. A hardy 

 annual, flowering in June. The fpikes fometimes fall off 

 entire, and vegetate in the fand, producing a tuft of de- 

 cumbent flender plants, from three to fix inches long, with 

 narrow, flightly downy, haves. Spikes folitary, terminal, 

 from half to three-quarters of an inch long, fmooth, ele- 

 gantly two-ranked, with ten or twelve clofely imbricated, 

 furrowed, incuryed fpiielets- Awns of the calyx awl-lhaped, 

 nearly as long as thofe of the corolla, being about a quar- 

 ter the length of the glumes. T. pumilum of Linna:us is the 

 very fame fpecies, defcribed twice over. 



9. T. tenellum. Dwarf Wheat-grafs. Linn. Sp. PI. 

 127. Willd. n. 15. Ait. n. 11. (T. n. 1430; Hall. 

 Hift. V. 2. 212, moft certainly according to Mr. Davall. 

 Gramen loliaceum minus, fpica fimphci ; Bauh. Pin. 9. 

 Prodr. 19.) — Spike fimple, linear. Spikelets alternate, 

 eUiptic-lanceolate, awnlefs. Calyx furrowed. Corolla even, 

 emarginate. Leaves briftle-lhaped Native of Switzer- 

 land, and the fouth of France. Root annual, of a few 

 woolly fibres. Stems one or more, ereft, ftraight, from 

 four to eighteen inches high, fcarcely branched, leafy, with 

 feveral dark-brown joints. Leaves fhort, flender, ereft. 

 Spnhe terminal, folitary, ereft, very flender. Spihelets more 

 or lefs diftant, ereft, clofe-prefled, rather turgid, fmooth. 

 Florets from four to eight or ten, poliflied, fomewhat cylin- 

 drical, pale and blunt at the tip, with flight indications of 

 lateral ribs. We can meet with no certain figure of this very 

 diftincEl fpecies, under which, as Schrader remarks in Fl. 

 Germ. V. i. 346, Linnxus has confounded feveral different 

 things. Gramen pufillum unicaule, panicula loliaced ; Bocc. 

 Muf. 69. t. 57, quoted by him for the following, is moll 

 like T. tenellum, and may perhaps be intended for it. 



10. T. unilaterak. Unilateral Wheat-grafs. Linn. 

 Mant. 35, excluding certainly the firft two fynonyms, and 

 probably the third ; fee the preceding fpecies. Willd. 

 n. 18. (G. loliaceum minus, fpicis tenuiflimis ; Morif. 

 feft. 8. t. 2. f. 3.) — Spike fimple, linear. Spikelets alter- 

 nate, clofe, turned to one fide. Calyx unequal, taper- 

 pointed. Corolla fhort-awned, fmooth. Native of Italy, 

 Syria, and the fouth of France. Root annual, of many 

 capillary fibres, partly downy. Stems numerous, a fpan high, 

 fcarcely branched, fmooth, leafy. Leaves narrow, chan- 

 nelled, ribbed ; their Iheaths long, furrowed, fometimes 

 clothed with very fhort, foft, deflexed hairs. Spikes fohtary, 

 long, flender, a little curved, of numerous, rather c\ok /pike- 

 lets, half the fize of the foregoing, and lefs tumid. Florets 

 three or four, awl-fhaped, with briflly awns of various 

 lengths, but fcarcely above half fo long as the glumes. 



11. T, hi/panic um. Little Spanifh Wheat-grafs. Rei- 

 chard Syil. Plant, v. 1.240. Willd. n. 8. (T. mariti- 

 mum ; Linn. Mant. 2. 325. Fefluca maritima ; Linn. Sp. 

 PI. no. Loefl. It. 44. ) — Spike fimple, linear. Spike- 

 lets alternate, clofe, turned to one fide. Glumes all downy. 

 Calyx unequal, taper-pointed. Corolla with an awn ex- 

 cecijing its own length — Gathered in Spain by Loefling. 



This appears to us a mere variety of the laft, with downy 

 glumes, and longer awns to thejlorets. Loefling's fpecimens 

 are of humbler growth than thofe of the preceding that 

 have in general fallen under our infpeftion, but there is no 

 fpecific difference between them. 



12. T. maritimum. Sea Wheat-grafs. Linn. Sp. PI. 

 128. ^ Willd. !,. 14. Vahl Symb. v. 2. 26. ( Gramen 

 loliacea panicula ramofa, maritimum ; Bauh. Theatr. 130. 

 Scheuchz. Agrofl. 274. t. 6. f. 5.) — Spikes panicled. 

 Spikelets many-flowered, coi-ipreffed. Florets linear-lan- 

 ceolate, ribbed, pointed, awnlefs. Stem branched Na- 

 tive of the fea-coafts of the fouth of France, Greece, and 

 Egypt. Root annual, of many woolly fibres. Stemi 

 branched from the bafe, leafy, a foot high, more or lefs 

 bent at the joints, and partly decumbent ; often purplifh, as 

 well as the fheatfis of the leaves, and branches of the 

 panicle. Leaves longifli and tapering, narrow, ftriated, 

 imooth. Sheaths broader than the leaves, but much fhorter. 

 Stipula membranous, torn, decurrent. Panicle about three 

 inches long, forked, with many fpreading, fpiked, trian- 

 gular, fmooth branches. Spikelets alternate, flightly ftalked, 

 half an inch long, fmooth, of about eighi crowded ^orets, 

 each ftrongly keeled, and acutely pointed, fmooth, with a 

 ftrong marginal rib at each fide. Calyx-valves furrowed, 

 nearly equal. Some fynonyms referred to this, belong to 

 the following. That of Boccone, t. 95, is at leaft. 

 doubtful. 



13. T. loliaceum. Dwarf Sea Wheat-grafs. Fl. Brit. 

 n. 4. Engl. Bot. t. 221. Willd. n. 17. Knaop. t. 114. 

 Gramen pumilum, loliaceo fimile ; Raii Syn. 295. G. lo- 

 liaceum exile durius ; Sm. Rel. Rudb. 13. G. exile duriuf- 

 culum maritimum, foliohs circumvolutis, veluti junceis, 

 brevibus ; Pluk. Phyt. t. 32. f. 7. G. parvum marinum> 

 fpica lohacea ; Morif. feft. 8. t. 2. f. 6.) — Spike moftly 

 fimple, unilateral. Spikelets many-flowered, compreffed. 

 Florets elliptical, obtufe, awnlefs, with marginal ribs. 

 Stem branched. — Native of the fandy fea-beach, on the 

 eaft and fouth coafts of England, as well as in Italy. We 

 have it from a Piedmontefe botaniil, under the name of T. 

 unilaterale. Root annual. Stems rigid, fpreading, fmooth, 

 from three to five inches high. Leaves tapering ; involute 

 when dry. Spike ereft, moftly fimple, linear, rigid, of 

 from nine to twelve alternate, flightly ftalked, two-ranked 



/pikelets, turned moft to one fide ; in very luxuriant, or cul- 

 tivated, fpecimens the lower part of the fpike is branched. 

 This plant is very nearly allied to Poa rigida, nor is the po- 

 fition of their fpikelets diffimilar. It ferves however to 

 conneft our laft fpecies of Triticum with the following one. 



14. T. unioloides. Elegant Wheat-grafs. Ait. n. 12. 

 Willd. n. 16. Vahl Symb. v. 2. z6. (Poa ficula ; Jacq. 

 Ic. Rar. t. 303. Briza cynofuroides ; Scop. Infubr. v. 2. 

 21. t. II. Cynofurus ficuhis ; Jacq. Obf. fafc. 2. 22. 

 t. 43. Gramen filiceum, paniculis integris ; Bocc. Sic. 62. 

 t. 33. f. 2. Morif. feft. 8. t. 6. f. 53. )— Spike fimple, clofe. 

 Spikelets many-flowered, ovate, compreffed. Florets clofely 

 imbricated, ovate, acute, keeled, awnlefs, with central la- 

 teral ribs. Stems moftly fimple Found on the fea-coafts 



of Italy, Sicily, and Barbary. Annual. A moft elegant 

 grafs, remarkable for its large, flat, clofely imbricated, 

 iharp-edgedyj>rif/f/j, which refemble thofe of an Uniola, or 

 of Poa Eragroftis. The /{ems are a fpan high, fometimes 

 purple. Leaves lanceolate, taper-pointed, flat. 



Seftion 2. Root perennial. 



15. T.junceum. Sea Rufhy Wheat-grafs. Linn. Sp. 

 PI. 128. Willd. n. II. R. Brit. n. I. Engl. Bot. 

 t. 814. Sra. Fl. Grsc. Sibth. t. 99. Knapp 1.113. 

 Fl. Dan. t. 916. (Gramen maritimum, fpica loliacea, fo- 



Uia 



