Hyoscyamine crystallizes in the acicular form, with greater difficulty even than atropine, it also forms less compact crystals.
By repeated solutions in alcohol it may be obtained under the form of white, silky, acicular crystals.
They were not small and acicular, were nearly alike in the three basins, and had effloresced only on a few minute points.
It crystallizes in the orthorhombic system, and the crystals are either prismatic or acicular in habit.
Valve very narrow, lanceolate, acicular, with obtuse apices.
acicular, as-ik′ū-lar, adj. needle-shaped; slender and sharp-pointed.
The picrate of silver forms beautiful starry groups of acicular crystals, having the colour and lustre of gold.
Spores of Bacidia fuscorubella to illustrate the several-celled, hyaline, acicular type.
By re-solution in alcohol it may be obtained under the form of colourless, prismatic, acicular crystals.
Soon Birdie and myself were a mass of acicular crystals; it was a true easterly fog.