66 29. PARONYCHIACE^E. 



2. P^PLIS. Water-Purslane. 



P. FOB/TULA, L. Stem creeping and rooting, on the surface of 

 wet ditches, 2 4 in. long. Le. opposite, obovate. Fl. axillary, 

 solitary. Cap. enclosed by the cal. 



Not common. Marshy places. (B) A. 7 8. " Banks of Hogganfield and Frank- 

 field lochs," IIopL "Banks of the Brother Loch, Mearns," Dr. Ross. Cumbrae 

 and Arran. 



28. PORTULACACE^l. 



1. MONTIA. Water-Minks. 



M. FONTAJS'A, L. Plant with a succulent, branching stem, 

 forming dense tufts, 1 2 in. high. Le. opposite, spathulate. Fl. 

 very small, white, axillary and terminal, drooping in the bud. 

 Seeds with pointed dots ; this is the minor variety. Marshy or 

 damp places. 



Var. rivularis. Stems 3 5 in. Fed. axillary. Seeds with 

 flattened dots. Watery places. 



Frequent. In watery places, and by cold springs. (B) A. 58. Fossil marsh ; 

 banks of the Paisley Canal; Cathkin hills; Gourock: Cumbrae and Arran. 



(Claytonia perfoliata, Don. This plant occurred as a weed in 

 the Old Botanic Garden, Glasgow, in 1837; since that time it has 

 spread considerably, and is often found as a weed in several 

 nurseries. C. alsinoides, Ph. , is becoming naturalized in several 

 places, as at Gourock, Rothesay, Helensburgh, and Lanark.) 



29. PARONYCHIACE^E. 



1. SPERGULARIA. Sandivort-Spurrey. 



1. S. RUBRA, A. St. Hill. Field-Sandwort-Spurrey. Plant 

 with numerous prostrate branching stems, slightly hairy, com- 

 pressed upwards. Le. flattish, with a short bristle point. Stip- 

 ules membranous, ovate, cloven. Sep. with a scariose margin, 

 viscid. Fl. pink, axillary. Cap. about equalling the cal. Seeds 

 compressed, not winged, roughish. 



Frequent. Sandy and gravelly places. (B) A. 69. Sand hills, Tollcross; 

 near Govan; Hamilton; below Greenock; Cumbrae, *fec. 



2. S. MARINA, Camb. neglecta, Syme. Seaside-Sandwort- 

 Spurrey. Rhizomes thick, almost w r oody, Le. fleshy, nearly 

 cylindrical, sometimes with a short point. Pet. pink or purple, 

 with a white base. Cap. longer than the cal. Seeds compressed, 

 papillose, very few having a wing. 



Frequent. (B) B. or P. 6 S. Bowling; Dumbarton; Gourock, <fec. 



Var. marginata is not so frequent on the shores of the Clyde. 

 Known by the very large cap. , and the seeds having a conspicuous, 

 broad, membranous wing. 



