64 CARYOPHYLLEJE. [Arenaria. 



oblong as long as the ovate acute 3-nervcd sepals. Spsr'gula stric'ta, 

 Swartz ; Alsi'ne stric'ta, Wahl. 



Banks of a rill, Widdy-bank Fell, Teesdale, alt. 1,800 ft.; fl. June-July.— 

 Perennial, glabrous, 2-3 in., very slender, habit of Sagina. Leaves J-| in., 

 curved, upper pairs few and distant. Peduncles 1-2 in. Flowers |in. diam., 

 white. Capsule ovoid. Seeds reniform, rugose on the disk. — Distrib. W. 

 Europe (Arctic), Lapland to Italy, Greenland. 



4. A. tenuifo'lia, L. ; erect, very slender, leaves subulate acute 3-5- 

 nerved, cymes many-fid., petals oblong half as long as the lanceolate 

 3-nerved sepals, capsule 3-valved equalling the sepals or longer. 



Sandy fields and waste places from York southd., chiefly in the E. counties ; 



Channel Islands ; fl. June- Aug. — Annual, 2-8 in., simple or branched. 



Leaves crowded below, upper pairs remote. Flowers \ in. diam., white. — 



Distrib. Europe, N. Africa, Siberia, W. Asia to Iudia. 

 A i tenuifo'lia proper ; glabrous, stamens 10, capsule equalling the sepals. — 



Var. A. laa/a, Jord. ; calyx glandular, stamens 5, capsules longer than the 



sepals. Great /VVilbraham. — Var. hyb'rida, Vill. (A. visco'sa, Schreb.) ; 



peduncles and sepals glandular, stamens 8-10, capsule broader at the base. 



tfhetfdrd. 



Section 2. Arenaria proper. Flowers hermaphrodite. Disk annular. 

 Capsule with 3 2-fid valves. Seeds many. — Leaves broad in all the British 

 species. 



5. A. triner'via, L. ; diffuse, pubescent, leaves petioled ovate acute 

 3-5-nerved ciliate, flowers solitary or cymose, sepals obscurely 3-ribbed, 

 seeds smoothed arilled. Mcehrin'gia, Clairv. 



Moist copses, hedgebanks, &c , N. to Ross ; Ireland ; Channel Islands ; fl. 

 May-July. — Annual, branched, flaccid; branches 4-18 in. Leaves h-1 iu. 

 Flowers f in. diam., rarely 5-androus,proterogynous ; pedicels long, slender. 

 Sepals lanceolate, longer than the obovate-lanceolate petals, middle nerve 

 hairy. Capsule subglobose, shorter than the sepals. — Distrib. Europe 

 (Arctic), Canaries, Siberia, W. Asia, Greenland. 



6. A. serpyllifo'lia, L. ; decumbent or suberect, pubescent, leaves sub- 

 sessile ovate acuminate i-3-nerved ciliate, cymes many-flow ered, bracts 

 foliaceous, sepals with 3-5 hairy ribs. 



"Wall-tops, &c, N. to Orkneys, ascends to 2,000 ft. ; Ireland ; Channel Islands ; 

 fl. June- Aug. — Annual, very variable in habit, grey-green, branched, haivs 

 recurved on the stem and peduncles. Leaves J-J in., shortly petioled, 

 rather rigid. Flowers £ in. diam. Sepals with narrow margins, longer than 

 the petals. Seeds rough, sliming, not arilled. — DisTrib. Europe (Arctic), N. 

 Africa, N. and "W. Asia to the Himalaya ; introd. in the U. States. 



A. serpyllifo'lia proper {A. sph(erocar'pa x Tenore) ; rigid, sepals ovate-lanceo- 

 late, capsule ovoid, its pedicel ascending. — Var. gluthio'sa, Koch ; shorter, 

 stouter, more glandular, capsule more swollen below. Isle of Wight. — Var. 

 A. leptocla'dos, Guss. ; weak, sepals lanceolate, capsule narrower, its pedicel 

 spreading. 



