. Field and woodland plants. at creeps in tlie mud, rooting at every joint ; andtufts of long-stalked leaves which rise above the surface of the water. The latterare round, withwaved margins,aliout an inch indiameter, glossy,and stalked inthe centre. Theminute whiteflowers are col-lected into littlefive-flowered um-bels, on stalksm u c \\ s h o r t e rtlian those of theleaves, each in-dividual flower1 laving a veryshort pedicel, andf i V e s ji r e a d i n gpetals. This plantflowers from Mayto August. Intlie marshesof South Britainwe may oftenmeet with the])ietty INlarshValcM-ian {Vdleri-(tna
. Field and woodland plants. at creeps in tlie mud, rooting at every joint ; andtufts of long-stalked leaves which rise above the surface of the water. The latterare round, withwaved margins,aliout an inch indiameter, glossy,and stalked inthe centre. Theminute whiteflowers are col-lected into littlefive-flowered um-bels, on stalksm u c \\ s h o r t e rtlian those of theleaves, each in-dividual flower1 laving a veryshort pedicel, andf i V e s ji r e a d i n gpetals. This plantflowers from Mayto August. Intlie marshesof South Britainwe may oftenmeet with the])ietty INlarshValcM-ian {Vdleri-(tna dioica) of theValerinnacecv. Itgrows from six toeight inches higli, and its flowers, wliich bloom during May andJune, are of a pale rose colour, in a terminal corymb. Thej aremostly unisexual, the male and female flowers growing on differentplants. All have a tubular corolla, jiouched at tlie base, withfive spreading lobes ; but the female blooms are more denselycrowded than tlie males, and are of a deeper colour. The former. The ilARSii \ALi-;itiAx. BOOS, MARSHES AND WET PLACES IN SPBING 127 have an inferior ovary, with a slender style and a lobed stigma ; andthe latter have three stamens on the corolla. Tlie Gentianacea^ is represented in bogs by the common Buckl)eanor Marsh Trefoil {Menyanthes trifoliaki), the only member of itsfamily with trifoliate leaves. This plant has a creeping stock; and itsilowers, which are pink in the bud and pinkish white when exj^anded,are in handsome racemes on stalks from six inches to a foot in length.
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Keywords: ., bookcentury1900, bookdecade1900, bookidfield, bookpublisherlondon
