What is "saxifraga umbrosa"

London \Lon"don\, n. The capital city of England. London paste (Med.), a paste made of caustic soda and unslacked lime; -- used as a caustic to destroy tumors and other morbid enlargements. London pride. (Bot.)

1. A garden name for Saxifraga umbrosa, a hardy perennial herbaceous plant, a native of high lands in Great Britain.

2. A name anciently given to the Sweet William.
   --Dr. Prior.

   London rocket (Bot.), a cruciferous plant ( Sisymbrium Irio) which sprung up in London abundantly on the ruins of the great fire of 1667.

None \None\ (n[u^]n), a. & pron. [OE. none, non, nan, no, na, AS. n[=a]n, fr. ne not + [=a]n one. [root]193. See No, a. & adv., One, and cf. Non-, Null, a.]

1. No one; not one; not anything; -- frequently used also partitively, or as a plural, not any.

   There is none that doeth good; no, not one.
   --Ps. xiv. 3.

   Six days ye shall gather it, but on the seventh day, which is the Sabbath, in it there shall be none.
   --Ex. xvi. 26.

   Terms of peace yet none Vouchsafed or sought.
   --Milton.

   None of their productions are extant.
   --Blair.

2. No; not any; -- used adjectively before a vowel, in old style; as, thou shalt have none assurance of thy life.

   None of, not at all; not; nothing of; -- used emphatically. ``They knew that I was none of the register that entered their admissions in the universities.''
   --Fuller.

   None-so-pretty (Bot.), the Saxifraga umbrosa. See London pride (a), under London.