PINK FAMILY 85 



obtuse, with narrow membranous margins. Alpine rocks in the 

 north. — Fl. June — August. Perennial. 



7. C. drcticum (Arctic Mouse-ear Chickweed). — Pubescent 

 with short yellowish hairs ; stem prostrate, tufted ; flowers usually 

 solitary ; sepals with broad membranous margins. Otherwise 

 resembling C. alpinum. — Mountains of Wales and Scotland ; rare. 

 Fl. May— August. Perennial. 



8. C. arvense (Field Mouse-ear Chickweed). — Hairy, prostrate, 

 ascending; branches 6 — 10 in. high; leaves linear-lanceolate 

 flowers numerous, equalling and resembling those of Stellaria 

 Holostea, in forked cymes; bracts and sepals acute, with mem 

 branous margins. — Dry fields ; not common. — Fl. April — August 

 Perennial. 



9. C. cerastoides (Alpine Stitchwort). — Stem 4 — 8 in. long 

 slender, decumbent, much branched below, with a line of pubes 

 cence shifting from side to side at each node ; leaves small 

 narrow, oblong, glabrous ; flowers \ in. across, on very slender 

 stalks, 1 — 3 in a cyme. — By Scotch Highland streams; rare. — Fl 

 July, August. Perennial. 



14. Mcenchia. — Glabrous, glau- 

 cous herbs, with linear leaves 

 and few, but relatively large, 

 flowers, with their parts mostly 

 in 4's ; sepals longer than the 

 petals ; petals not notched ; 

 capsule 8-toothed, many-seeded. 

 (Named in honour of Conrad 

 Mcench, Professor of Botany at 

 Hesse-Cassel.) 



1. M. erecta (Upright 

 Mcenchia). — Glabrous, glaucous, 

 erect, 2 — 6 in. high; leaves 

 linear, acute, rigid ; flowers few, 

 relatively large, opening only in 

 sunshine ; sepals 4, acute, with 

 broad white membranous mar- 

 gins ; petals, stamens, and styles 

 4 each ; capsule 8-toothed. — 

 Dry places.— Fl. May, June. mcenchia erecta 



Annual. [.Upright Mcenchia). 



15. Spergula (Spurrey). — Annual herbs with forked branches; 

 whorled leaves with small membranous stipules; flowers in 

 panicled cymes, pentamerous ; petals entire ; seeds numerous. 



