( 246 .) 
GIAU'X* *. 
Linnean Class and Order. Penta'ndria f, Monogy'nia. 
Natural Order. Primula 'ceas, Vent. — Lindl. Syn, p. 182.; 
Introd. to Nat. Syst. of Pot. p.225. — Rich, by Macgilliv. p. 431. — 
Mack. FI. Hibern. p. 192. — Plantagi'nea?, Loud. Hort. Brit. p. 
530. — Salicarle, sect. 2. Juss. Gen. PI. pp. 330 & 333. — Sm. 
Gram, of Bot. pp. 170 & 171. — Syringales ; subord. Primu- 
los/E; sect. Primulin.e; type, Pkimulace.e ; subtype, Primu- 
lid.e ; Burn. Outl. of Bot. pp. 900, 958, 1020, 1024, & 1025.— 
Calycanthem.e, Linn. 
Gen. Char. Calyx (fig. 1.) inferior, bell-shaped, coloured, of 
1 sepal, in 5 deep, spreading, obtuse, recurved segments, perma- 
nent. Corolla none. Filaments (fig. 2.) 5, awl-shaped, upright, 
not longer than the calyx. Anthers roundish. Germen (fig. 3.) 
superior, egg-shaped. Stigma capitate. Capsule (fig. 4.) globose, 
pointed, of 1 cell, and 5 valves. Seeds about 5, roundish (see 
fig. 7.), attached to a central, globose, pitted placenta (see fig. 6). 
The monosepalous, bell-shaped, 5-cleft, coloured calyx ; and the 
superior, 1-celled, 5-valved capsule; will distinguish this from 
other genera, destitute of a corolla, in the same class and order. 
One species British. 
GLAU'X MARPT1MA. Common Sea-milkwort. Black Salt- 
wort %. Newton’s Knotgrass. 
Spec. Char. 
Engl. Bot. t. 13. — Hook. FI. Lond. 1. 188. — Curt. Brit. Entomol. v. xii. t. 548. — 
Ray’s Syn. p. 285. — Linn. Sp. PI. p. 301. — Huds. FI. Angl. (2nd ed.) p. 101. — 
Wiild. Sp. PI. v. i. pt. ir. p. 1210. — Sm. FI. Brit. v. i. p. 268. Engl. FI. v. i. 
p.336. — With. (7th edit.) v, ii. p. 340. — Gray’s Nat. Arr. v. ii. p.733. — Lindl. 
Syn. p. 183. — Hook. Brit. FI. p. 109. — Lightf. FI. Scot. v. i. p. 147. — Davies’ 
Welsh Bot. p. 25.— Relli. FI. Cant. (3rd ed.) p. 102. — Hook. FI. Scot. p. 82.— 
Grev. FI. Edin. p. 56 — FI. Devon, pp. 43 & 142. — Johnston’s FI. Berw. v. i. 
p. 64. — Winch’s FI. of Northumb. and Durham, p. 16. — Burn. Outl. of Bot. v. ii. 
p. 1026. —Mack. Catal. of PI. of lrel. p. 25. ; FI. Hibernica, p. 192. — Glaux 
exiyua maritirna, Johnson’s Gerarde, p. 562. 
Localities. — On tire sea shore, and in muddy salt-marshes, abundant," but 
from its being frequently concealed among grass, or under the edge of ditch 
banks, it does not obtrude itself upon the casual observer.” — Cambridgeshire ; 
Wisbeach j Bardwell Fens: Rev. R. Relhan. — Cheshire; Shores of the sea, 
and estuaries: Mr. H. C. Watson, in New Bot. Guide. — Cornwall; On the 
sea coast : Mr. H. (',. Watson, ibid. — Cumberland ; Sea coast, Abbey Holm: 
N. J. Winch, Esq. — Devon ; Topsham marshes ; Exminster marshes ; at Hack- 
ney near Kingsteignton ; Plymouth, &c. : FI. Devon. Side of the river near 
Teignmouth : Mr. F. Russel. — Dorset ; in Portland Island: Dr. Withering. 
On Waste ground at the back of the promenade, Weymouth: Aug. 1837; Rev. A. 
Bloxam. — Durham ; Salt marshes on Tyne, Tweed, Blyth, Wear, Tees, &c. : 
N. J. Winch, Esq. Banks of the Tyne, below Friar’s Goose: R. Bowman, in 
N. B. G.— Essex ; ltiver side near Purfleet : Dr. J. Mitchell, in FI. Metr. — 
Fig. 1. A Flower. — Fig. 2. Stamens and Pistil. — Fig. 3. Germen, Style, and 
Stigma. — Fig. 4. Capsule. — Fig. 5. Transverse section of the same. — Fig. 6. The 
Placenta (receptacle of the seed). — Fig. 7. A Seed. — Figs. 2 & 3 a little magnified. 
* From glaucus , a sea-green colour. 
+ See Anchusa sempervirens, folio 48, note t. 
4 From its producing salt or alkali when burnt. 
