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REVISION OF I IE BRITISI SPECIES OF SAGINA - BSBI Archive

REVISION OF I IE BRITISI SPECIES OF SAGINA - BSBI Archive

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.lAMS' <strong>SAGINA</strong>. 2°3<br />

in habit from S. procumbens, and from which it differs in several<br />

salieQt characters.<br />

S. NODOSA Fenzl. Verso Darst. Verbr. d. Alsineen, tab.<br />

synopt. ad p. 18 (1833).<br />

In crespitibus parvis laxis, perennis, glabra vel superne glanduloso-puberula.<br />

Rhizoma parce ramosum. Cauliculi laterales<br />

I-2! dcm., sub rosula centrali egredientes et circulo patiti; de in<br />

curvati adscendentes simplices vel superne di-trichtomi, ob axillas<br />

folio rum fasciculigeras exitnie nodosi, callIe primario aut centrali<br />

ad rosulam foliorum steriIem reducto. Folia subulata obtusa,<br />

mutica vel submucronulata; rosularum late vaginantia, 12 mm.,<br />

caulina 3-6 mm. Dichasium reductum, 1-3 florum. Pedunculi<br />

terrnin~es ve;l pseudo-axiIIares, fructiferi erecti, internodio proximo<br />

subduplo longiores. Flores 6 mm. diam., breviter pedunculati.<br />

Sepala 4 mm., ovalia concava. Petala 9 mm., obovata. Andrrecium<br />

d,iplomerum. Capsula 5 mm. Semina obovoideo-rotunda,<br />

distincte tuberculata, dorso vix canaliculata. (Knotted Spurrey).<br />

Stat. Damp sandy places, on heaths, meadows, and commons,<br />

and in peat pits, marshes, and in the slacks of sand-dunes, from<br />

Sark (E. D. Marquand, Fl. Guernsey, p. ) northward to Shetland<br />

(R. Tate, 1865 Herb. Brit., and herb. Watson). Ascends to 540<br />

metres in Northumberland, in W. Allendale (Baker and Tate, Flora,<br />

p. 137); to 500 metres in Westmoreland, by springs between Shap<br />

Fell and Kendall Fell (J. G. Baker, Fl. Engl. Lake District, p. 48);<br />

to 450 metres in W. Yorkshire, on Malham Tarn shingle (F. A.<br />

Lees, Flora, p. 16()); to 420 metres in Perthshire (F. B. White.<br />

Flora, p. 85); and to 375 metres in Dublin, on Seecawn Hill (N.<br />

Colgan, Flora, p. 40).<br />

No longer found in Jersey since most of the St. allen's<br />

Pond<br />

hollows have been filled up.<br />

The glandular and glabrous forms are not separable as varieties,<br />

the former being usually a plant of maritime stations. V ar. simplex<br />

Graebn. (1895) is a reduced form with simple stems, and var.<br />

ramosissima Wohlfarth (1890), is an extreme form with the lateral<br />

stems much branched: both are frequently met with.<br />

B. MONILIFORMIS Lange.<br />

""t~t Widely distributed from Dorset northward to Sutherland.

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