264 PRIMULACE^E. [LYSIMACHIA. 



long as the calyx ; bracts and calyx-lobes linear, dotted. Flowers protero- 

 gynous. Corolla J in., campanulate, lobes 5-6, narrow, dotted. Filaments 

 connate at the very base. Capsule ovoid. DISTJRIB. Europe N. of the 

 Alps, N. Asia, N. America. 



3. TRIENTA'liIS, L. CHICKWEED WlNTER-GREEN. 



Erect, simple, glabrous herbs ; rootstock slender, creeping. Leaves in 

 one whorl of 5-6, with a few small alternate scales beneath the whorl. 

 Flowers white, ebracteate, solitary on slender peduncles. Calyx 5-9-par- 

 tite. Corolla rotate, 5-9-partite. Stamens 5-9, filaments filiform. Ovary 

 globose ; style filiform, stigma obtuse ; ovules few, amphitropous. Capsule 

 globose, 1 -celled, few-seeded, valves 5 re volute. Seeds flattened, peltate, 

 crowded, cohering by the membranous epidermis of the testa. DISTRIB. 

 A European and a N. American species. ETYM. doubtful. 



T. europse'a, L. ; leaves obovate or obovate-lanceolate. 

 Subalpine woods, from York to Shetland, local ; ascends to 2,800 ft. in the 

 Highlands ; fl. June-July. Stem wiry, slender, 4-8 in., leafy at the top. 

 Leaves 1J-2| in., shining, rigid, obtuse or acute, narrowed into short petioles. 

 Flowers erect, few, honeyless, proterogynous. Peduncles 1-3 in., filiform. 

 Sepals linear-subulate. Corolla J- in. diam. ; lobes ovate, acute. Capsule 

 size of a pea ; valves very deciduous. Seeds hexagonal, testa grey-white 

 punctate. DISTJRIB. Europe (Arctic) N. of the Alps, N. Asia. 



4. GIiAUX, Tournef. SEA MILKWORT. 



A small succulent glabrous herb ; rootstock creeping, stoloniferous. 

 Leaves decussate. Flowers small, axillary, sessile, white or pink. Calyx 

 5-partite, coloured. Corolla 0. Stamens 5, hypogynous, alternate with 

 the calyx-lobes. Ovary subglobose ; style filiform, stigma obtuse ; ovules 

 few, amphitropous. Capsule globose, 5-valved, few-seeded. Seeds peltate. 

 DiSTRIB. Europe (Arctic), N. and W. Asia, Tibet, N. America. ETYM. 

 7Aau/cJs, of a sea-green colour* 



G. marit'ima, L. ; glabrous, leaves 4-farious sessile quite entire. 

 Sea-shores and estuaries, N. to Shetland ; salt districts of Worcester and 

 Stafford ; Ireland ; Channel Islands ; fl. June-July. Stem 6-10 in., pro- 

 cumbent, rarely suberect. Leaves J-J in., linear- or obovate- or ovate-oblong. 

 Flowers suberect. Calyx J-J in., campanulate, margins of the obtuse lobes 

 scarious. Anthers subexserted. Capsule small, globose, cuspidate. Seeds 

 plano-convex, testa rough. 



5. CENTUN'CULUS, L. BASTARD PIMPERNEL. 



Very small annual herbs. Leaves subopposite or alternate. Flowers 

 minute, solitary, axillary, subsessile, ebracteate, white or pink. Calyx 

 4-5-partite. Corolla short, urceolate, persistent ; limb 4-5-partite. 

 Stamens 4-5, on the corolla- throat, exserted, filaments flattened. Ovary 

 subglobose ; style filiform, stigma obtuse ; ovules many, amphitropous. 



