Jones: Flora of Illinois 367 



Strigillose. Minutely strigose. 



Strigose. With appressed straight and stiff hairs. 



Style. The usually attcmiatcd part of the pistil bctwcin the ovary and the 

 stigma. 



Sub — . A Latin prefix, usually signifying somewhat, or slightly. 



Subulate. Awl-shaped; slender, and tapering to a point. 



Succulent. Juicy; fleshy; soft and thickened. 



SuFFRUTicosE. Applied to a perennial plant that is low and somewhat shrub- 

 by, with only the lower part of the stem or branches woody and 

 persistent. 



Superior (ovary). Borne above the insertion of the perianth and free from it. 



Sympetalous. Having the petals united into one piece by their margins. 



Syngenesious. Stamens with united anthers but separate filaments, as in 

 Compositae. 



Synsepalous. Having the sepals more or less united. 



Tawny. Tan color, or yellowish brown. 



Taxon. A term for any taxonomic category of any rank. 



Tendril. A filiform organ used for climbing, and representing a modified leaf- 

 let, or leaf, or stipules, or branch. 



Terete. Circular in transverse section. 



Thalloid. Resembling or consisting of a thallus; said of Lemnaceae, a family 

 of monocotyledonous aquatic plants distinguished by the absence of a 

 distinct stem or foliage. 



Thorn. A woody sharp-pointed structure formed from a modification of a 

 branch of a stem. 



Tomentose. Densely woolly or pubescent: with matted soft wool-like hairiness. 



Tomentulose. Closely and finely tomentose. 



Torulose. Diminutive of torose : cylindrical, swelling in knobs at intervals, 

 somewhat moniliform, or like a string of beads. 



Trailing. A plant unable to support itself, prostrate but not rooting at the 

 nodes. 



Tree. A woody perennial plant, usually with an evident trunk, and attaining 

 a height at maturity of not less than five meters. 



Trichome. An outgrowth from the epidermis of plants, as hair, scale, bristle, 

 or prickle. 



Trifid. Divided into three parts; three-cleft. 



Trigon.al. Triangular; the same as trigonous. 



Tripinnatifid. Thrice pinnatifid. 



Truncate. Ending abruptly, as if cut off. 



Tuber. Enlarged, fleshy, underground stem, commonly borne at the end of a 

 rhizome. 



Tubercle. A small swelling, or a little tuber-like body; the persistent base of 

 the style in certain Cyperaceae; the grain-like corky growths on the 

 valves of Rumex; enlargements on the roots of leguminous plants pro- 

 duced by symbiotic bacteria. 



TuBERCULATE. Having tubercles. 



Tubular (corolla). Prolonged into a tube, without nmch spreading at the 

 border. 



Turbinate. In\ersely conical: top-shaped. 



Twig. A small shoot or branchlet of a tree or shrub, particularly that of the 

 current season's growth. 



Twining. Climbing by twisting spirally around another stem or other support. 



