Lothgalen (aka "Loth Nenond"; pl. "Lythgelin"; Kh. "Barag-bulum"), the "Green-flower" or "Flower of the Water-stone," was ideally suited for the caves of Moria. Although diminutive and scarce, it was rugged and, because it grew on glowing limestone, was easy to locate.

Lythgelin were small grey vines which rarely exceeded 3 feet in length and flower every four months. Their roots were long, thin, and twisting, enabling them to sprout from the cracks in wet limestone ceilings. Remarkably, they secreted a peculiar substance which combined with the rock's minerals to form Nen Calgalen (S. "Green-lamp Water") and give off a faint green aura; in turn, the light periodically brightened, whenever the lime-colored flowers bloomed. Vines resided in lots of 1 -100, while their flowers grew in groups of three, each with three petals. The beautiful Nen Calgalen was a thick, pasty, and deadly liquid. Once it entered the bloodstream, it spread a searing fire and disabling torment. The victim glew green and was often unable to move; some simply died, as their minds were torn apart by awful pain. Because of the hideous nature of it's effect, Dwarves usually scorned it's use, even in battle. Although it's fluids were baleful, the Lothgalen had less sinister uses. The vines could be pulled down intact and used to form tremendously strong ropes (twice the norm). Their pliable roots could be twisted around one another with ease to produce assuring lines. The roots could also be woven to form links for rope-chains or ladders.

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