( 308 .) 
BLY'SMUS* * 
Linnean Class and Order. TiUA'NDRiAf, Monogy'nia. 
Natural Order. Cypf.ra'ceas, Juss . — Lindl. Syn. p. 278.; 
Introd. to Nat. Syst. of Bot. p. 304. — Rich, by Macgilliv. p. 392 
Loud. Hort. Brit, p. 541. — Mack. FI. Hibern. p. 318 . — Cyperoi- 
de.e, Juss. Gen. PI. p. 26 Sm. Gr. of Bot. p. 68 . — Cyperalks ; 
sect. Cyperina? ; type, Scirpacea? ; Burn. Outl. of Bot. v. i. pp. 
354 & 357 . — Calamaree, Linn. 
Gen. Char. Florets (fig. 3.) all perfect. Spikelets (fig. 1.) 
bracteated, arranged on a zigzag rachis into a 2-ranked, compressed 
spike. Glumes (see fig. 3.) of one valve, imbricated on all sides, 
the outermost gradually the largest, empty (see fig. 2.). Hypogiyn- 
ous Bristles several or none (see fig. 4.). Fruit (fig. 6.) compressed, 
oval, gradually tapering into the persistant style. 
The 2-ranked, compressed spike ; the glumes of one valve, im- 
bricated on all sides, the outermost valve larger than the rest, and 
without either stamens or pistil ; and the oval, compressed fruit, 
crowned with the permanent style ; will distinguish this from other 
genera, without a corolla , in the same class and order. 
Two species British. 
BLY'SMUS COMPRE'SSUS. Compressed Blysmus. Broad- 
leaved Blysmus. 
Spec. Char. Leaves strap-shaped, channelled. Lowermost 
bractea awl-shaped, somewhat leafy. Hypogynous bristles six. 
Lindl. Syn. p. 280. — Hook. Brit. FI. p. 22. — Macr. Man. Brit. Bot. p.246.— 
Bab. FI. Bath. p. 53. — Schoenus compressus, Engl. Bot. t. 791. — Linn. Sp. PI. 
p. 65. — Iluds. FI. Angl. (2nd ed.) p. 15. — Leers’ FI. Herborn. (2nd edit.) p. 9. 
1. 1. f. L— Sm. FI. Brit. v. i. p. 44. — With. (7th edit.) v. ii. p. 108.— Lightf. FI. 
Scot. v. i. p. 87. — Relh. FI. Cant. (3rd ed.) p. 20. — Hook FI. Scot. p. 16. — Grev. 
FI. Edin.p. 9. — Scirpus compressus, Peis. Syn. v. i. p. 66. — Scirpus carici- 
nus, Seined. Germ. v. i p. 132. — Sm. Engl. FI. v. i. p. 58. — JohnsL FI. Berw. 
v. i. p. 15. — Winch’s FI. of Northumb. and Durh. p. 4. — Walker’s FI. of Oxf. 
p. 13. — Scirpus car icis, Retz. Prod. p. 64. — Willd. Sp. PI. v. i. pt. i. p. 292. — 
Chcetospora compressa, Gray’s Nat. Arr. v. ii. p. 71. — Carex uliginosa, Linn. 
FI. Suec. (2nd ed.) p. 325. ; Sp. PI. p. 1381. — Gramen cyperoides spica sim- 
plici compressa disticha, Ray’s Syn. p.425. — Scheuchz. Agrost. p.490. 
1. 11. f. 6. 
Localities. — Turfy moors, boggy pastures, river-sides, and near the sea; not 
very uncommon. — Oxfordshire; In a bog under Bullington Green, plentiful : 
W. B. — Berks; In a boggy place between South Hinksey and the Abingdon 
road, about a mile and a half from Oxford; W. B. Plentiful about Newbury ; 
Mr. Bicheno. — Cambridgesh. Coldham Common ; between Little Shelfordand 
Whittlesford ; near Batttsham Load; Rev. R. IIelhan. — Cornwall; Goon- 
hilly Downs; N.B. G. — Cumberland; Ilell-beck and Tindaie Fell, Bramp- 
ton: Hutchinson. — Derbysh. Fields by the Buxton road, at the end of Monsai 
Dale, towards Bakewell: Mr. Watson, in N. B.G. — Durham ; Near Darling- 
ton: Robson. Bogs between Ryehope and the sea; and on the banks of the 
Tees near Middleton : N. J. Winch. Esq. Teesdale Forest: Rev. J. Harri- 
Fig. 1. A Spikelet. — Fig. 2. Empty Glume. — Fig. 3. A single Floret, or Fertile 
Glume. — Fig. 4. Germen, Style, and Stigmas, with the bristles at the base of the 
germen. — Fig. 5. The same without the bristles. — Fig. 6. A Seed.— Figs. 2 to 5, 
slightly magnified. 
* From blusmus, Gr. source or spring , near which the species usually grow. 
Sir W. J. Hooker. -f See folio 56, note +. 
