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I'54 



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XXXIY. PAR0NYCHIACEJ3. 



\_Polycdrpon. 



1. I. vei^ticilldtii 



m 



(wJwrled IC). JE. J8. t. 895. 



Marshy or boggy ground, in Devonshire and Cornwall, 11 7 

 A small plant with spreading procumbent filiform glabrous stems- 

 broadly ovate leaves, white seariose stipules jngged at the maro-in • and 

 numerous Jlowers in axillary whorls, the cal?/x of which is white' verv 

 cartilaginous, and rounded at the base. ' ^ 



4. PoLYCARPON Zinn. All-seed. 



Sep. 5, keeled at the back, subcucullate at the apex. Pet 5 

 shorter than the calyx, emaroinate. Stam. 3—5. Styles ^ 

 very short. Caps. S-valved," many-seeded. — Named from 

 TToXvc, many, and Kap-oc, fruit; applied by the ancients to the 



I olijgonum amculare, to which the present genus is somewhat 

 simdar. 



1. P. tetraphijUum L. (four-leaved A.) ; triandrous, sepals 

 mucronate, petals notched, leaves spathulate-obovate, those of 

 the stem usually in fours, of the branches opposite. E. B. t. 



Southern coasts of England : particularly Devonshire, Dorsetshire 

 Cornwall, and Glamorgansli' - - ~ ' 



ire. Jersey and Guernsey. ©. 6, 7. 



5. Spergularia Pers. Sandwort- Spurrey. 



calyx. 



Pet. 



5 



Sep. 5, flattish. 



Stam. 5 — 10, or fewer. 



ovate, entire, about as long as the 

 Sti/les usually 3 (3—5). Caps. 



many-seeded, with entire valves fewer than the sepals or as 

 many and alternnf.P. ^v;tK +l,o.v. _ learned from the resemblance 



many and alternate with them, 

 to the next genus. 



1. S. ruhra St. Hill. {Field S.) ; stems prostrate, leaves nar- 

 row-linear acute plane scarcely fleshy tipped with a short bris- 

 tle, stipules ovate cloven, capsule as long as the calyx, seeds 

 compressed annmlnr rn„n.T,;.J, Arenaria L.- E B t 852 



Much branched 



compressed angular roughish. 

 Alsine Wahl. 



Gravelly or sandy soils, frequent. Q. 6—9 — 

 and spreading, branches often compressed upwards. Stipules a pair 

 of ovate, acute, white membranaceous scales, united at their base. 

 Flowers numerous m the axils of the upper leaves, solitary on rather 

 hort peduncles that are at length slightly bent back. ' Sepals ob- 

 scurely 3-nerved, obtuse, and, as well as the peduncles, gland^ular and 



.cmicfilnXSf fl^T^- ^^'^:'^''^' S.) ; stems prostrate, leaves 

 scmicylmdrical fleshy usually with a short point, stipules ovate 



s edsmnS' % '"f ' ^^'l '^^ '""^^^^ ^^^'^^ compressed.-; 

 seeds mostly without a border, capsule a little longer than the 



calyx Arenaria rubra marina L. — B. seeds mostiv with a 

 broad menrbranaceous striate border,^capsut Xn'lwS a^ 



