OF GREAT BRITAIN- 525 



Tludline, composed of, or of the same substance as the thallus. 

 Thalline-margin, the margin of an apothecium formed of the thallus. 

 ThaUodal, composed of the thallus. 

 Thallus, the foliaceous or crustaceous portion of a lichen which bears the 



fructification. 

 Thecw, see Asci. 



Theciferous, bearing thecse or asci. 



Thelotremoid, having tubercular apothecia like those of Thelotrema. 

 Thelotremoideo-lecideine, having an open wart-like or disk-like aspect. 

 Thyrsoid, like a thyrsus, the branches compact, the lower ones snorter than 



the middle ones. 

 Thyrsoideo-conglomerate, clustered together in a thyrsus-like manner. 

 Tomentose, covered with tomentum or down-like hairs. 

 Tomentoso-jUamentose, tomentum composed of filaments. 

 Torto-cuniate, curved and twisted. 

 Toruloso-intricate, knotted and entangled. 

 Transverse, at right angles to the longitudinal direction. 

 Tremulous, shaky. 



Tripartite, divided into three portions. 

 Triquetrous, three-edged or sided._ 

 Triseptate, having 3-septa or divisions. 

 Truncate, with an abrupt termination as if cut off. 

 Truncato-conical, of a truncate or flattened cone-shape. 

 Truneato-crenate, abruptly cut off and crenate. 

 Truncato-furcate, truncate and forked. 

 Tuberculale, consisting of tubercles. 

 Tuberculose, covered with little excresences or warts. 

 Tuberculoso-albo-sorediate, having white sorediate tubercles. 

 Tuberculoso-elevated, raised upon a tubercle. 



Tuberculoso-glofiierate, in clustered tubercles and conglomerations. 

 Tuberculosa jeeanwine, alecanorine apothecium elevated on a tubercle. 

 Tuberculoso-nigricanii-sorediate, having blackish sorediate tubercles. 

 Tuberculoso-sphcerical, consisting of round tubercles. 

 Tuterculoso-unequal, uneven with tubercles. 

 TubiUose, hollow like a tube. 

 Tubuloso-infiated, having an inflated tube-like form. 

 Tumid, swollen. 

 Turbinate, shaped like a top. 

 Turbinato-cylmdrical, of an elongated top-like form. 

 Turbinato-lentiform, top-shaped, flattened on the summit. 

 Twrgescent, swollen. 

 Turgid, swollen. 



Turgido-cylindrical, of a swollen cylindrical shape. 

 Umber, dull-brown. 

 UmbilicaUy, as applied to a thallus fixed to the matrix by the centre ; as 



applied to an epithecium, navel-like. 

 Umionate, with a projecting point or boss in the centre. 

 Umbrmo-olwaceous, umber-coloured-olive. 

 Undulate, wavy. 



Undulato-attenuate, tapering upwards in a wavy mode. 

 Undulato-crispate, wavy and crisped or curled. 

 Undulato-crisped, wavy and crisped. 

 Undulato-lobate, with wavy lobes. 

 Undulato-plane, a flattened wavy surface. 

 Undulato-plicate, wavy and plaited. 

 Undulato-rugose, wrinkled in a wavy mode. 

 Undulato-sinuate, waved in a sinuate mode. 

 Undulato-sulcato-rugose, with wavy furrowed wrinkles. 

 Uniform, of the same size, thickness or substance throughout. 

 Uniseptate, spores with one septum or division. 

 Unstrratified, applied to a thallus in which the normal layers cannot be distinctly 



Been but are confused. 

 Urceolate, of a sunken cup-like shape. _ 



Urceolariform, sunk in the thallus like a cup as the apothecia of the genus 



Urceolaria. . 



Urceolato-appressed, having an urceolate apothecium closely pressed to the 

 thallus. 



