Manual of British botany, containing the flowering plants and ferns / arranged according to the natural orders by Charles Cardale Babington.

Babington, Charles C. (Charles Cardale), 1808-1895.

Date:: 1881

Credit: Manual of British botany, containing the flowering plants and ferns / arranged according to the natural orders by Charles Cardale Babington. Source: Wellcome Collection.

518/544 page 466

$** Capsules hursting.— With leafy stems. 2. Lycopodium. Caps, of one kind, l-celled, containing many miniite spores. 8. Selaginella. Caps, of two kinds, small containing many minute spores, or larger and containing about 4 large spores. 1. Isoi5TES Linn. Qnillwort. * No persistent leaf-bases. Caps, not wbolly covered by the membranous edge of the pouch. Back of swollen leaf-base smooth.—Aquatic. 1. /. lams'tris (L.) ; 1. subulate roundish-quadrangular with 4 longitudinal jointed tubes upright dark green, larger sjmres bluntly tiiherded rather mealy, tubercles overtopped by the valve-edges.—^. B. 1084. H. F. 55. R. vii. 1.—Corm with longitudinal furrows. L. slender, broad and flat at the base, but elsewhere between cylindrical and quadrangular, 2—6 in. long.—I. Morei (Moore) is a form with exceediEgly long leaves. J. of B. x\\. 1.199.—Usually caespitose on the sandy and stony bottom of lakes and pools in hilly districts. P. VI. E. S. I. 2. I. echinos'pora (Dur.!); L subulate roundish-quadi-angular with 4 longiludinal jointed tubes patent pale green, larger spores very acutely tvberclvd, tubercles overtopping the valve-edges.— J. of B. i, t. 1.—Much hke Sp. 1. Corm not furrowed. L. turning yellow, less rigid, flattened and dilated below. Spores covered with long acute spine-hke tubercles, not mealy.— Usually politarjr on the muddy bottom of pools and lakes in hilly districts. Llanberis, N. Wales. Loch of Park near Aberdeen. Ben Voirlich, Dumbartonshire. Gap of Duuloe, KeiTy. P. Yl. E. S. 1. ** Corm more or less covered by the persistent hardened leaf- bases. Caps, wholly covered by the membranous edge of the pouch. Swollen leaf-base with a central longitudinal rugose band on the back.—Terrestrial. [J. JTys'tri.v (Dur.) ; 1. filifonn plane-convex obscurely tubu- lar, persistent l.-bases short blackish each Avith 2 long horns and an intern), tooth, larger spores white and bluntly tubercled.— I. Huriei H. F. 66.—Corm. small, rarely if ever quite naked. L. very slender, ultimately very much enlarged at tlie base to enclose the capsule, 1—2 in. long, annual.—Dampish sandy and stony places. L'Ancresse, Guernsey. 3fr. G. Wolsey. P. V. M.]$