.
Surface.—(a.) Without Hairs.—Glabrous, smooth.
(b.) Soft Hairs.—Pílous, few, short; hirsute, few, long; pubéscent, dense, short; villous, dense, long; seríceous, silky; lanūginous, woolly; toméntous, matted like felt; flóccous, fleecy tufts.
(c.) Stiff Hairs.—Scābrous, minute, hard points; hispid, few, short points; sētous, bristly; spinous, having spines.
Color.—Glaucous, covered with whitish powder.
Canéscent, grayish-white with fine pubescence.
Incānous, hoary-white.
Punctate, having transparent dots.
Hyaline, nearly transparent.