The surface of the thallus often exhibits outgrowths in the form of warts, hairs, &c. The medullary layer, which usually forms the main part of the thallus, is distinguished from the cortical layer by its looser consistence and the presence in it of numerous, large, air-containing spaces.
It was formerly fastened with strings, but now with the ghundi (the old form of button) and tukmah or loop. In southern India, Gujarat and in the United Provinces the arid is much the same as to length and fit as the English shirt; as the traveller goes northward from Delhi to the Afghan border he sees the kurta becoming longer and looser till he finds the Pathan wearing it almost to his ankles, with very full wide sleeves.
After the Arab conquest the name was retained both as the designation of a definite province and in a looser sense.
An Equisetaceous plant, which Brongniart named Phyllotheca in 1828, is another member of the same flora; this type bears a close resemblance to Equisetum in the long internodes and the whorled leaves encircling the nodes, but differs in the looser leaf-sheaths and in the long spreading filiform leaf-segments, as also in the structure of the cones.
With the passage of time and ale, the men grew friendlier and the buxom wenches lovelier - and tongues grew looser.