2) umbellet. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...A secondary umbel in a compound umbel, as in the carrot. Also called umbellule....

3) umbellule. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...See umbellet. New Latin umbellula, diminutive of umbella, umbel. See umbel....

4) involucel. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...A secondary involucre, as at the base of an umbel within a compound umbel. New Latin involcellum, diminutive of involcrum, involucre. See involucrum....

5) umbellate. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Having, forming, or of the nature of an umbel. umbelˇlately -ADVERB...

6) meadowsweet. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...1. Either of two North American shrubs (Spiraea alba or S. latifolia) having umbel-shaped clusters of white flowers. 2. Any of various perennial herbs of the genus...

7) oxlip. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...A Eurasian primrose (Primula elatior) having yellow flowers clustered in a one-sided umbel. Middle English oxeslippe, from Old English oxanslyppe : oxan, genitive...

8) umbrella plant. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...leafless stems, a terminal umbrellalike cluster of grasslike leaves, and a compound umbel of spikelets with drooping rays. 2. Midland U.S. The May apple....

9) umbrella. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Italian ombrella, from Late Latin umbrella, alteration (influenced by umbra, shade) of Latin umbella, parasol; see umbel.umˇbrellaˇless -ADJECTIVE...

10) fennel. The Columbia Encyclopedia, Sixth Edition. 2001
...fennel, common name for several perennial herbs, genus Foeniculum vulgare of the family Umbelliferae (parsley family), related to dill. The strawlike foliage and...