GLOSSARY. XXVll 
bed of fibre's from which many Fungi arise, and is often called 
thallus. 
THALLUS, or thalamus. 
THREAD-SHAPED. See filiformis. 
THRICE DIGITATO-PINNATE (ternato pinnatus), when the secondary petioles 
on the sides of which the leaflets are attached, proceed in 
threes from the summit of a common petiole. 
TuHrRoat (faux), the orifice of the tube of monopetalous corollas. 
Tuyrsus, a form of inflorescence, in the form of a panicle, but with the 
lower branches shorter than those of the middle, and the 
whole very crowded and compact. 
TOMENTOSE (tomentosus), covered with short dense hairs. 
TONGUE-SHAPED (linguiformis), long fleshy plano convex, obtuse, as the 
leaves of the common Houseleek, 
TooTHED. See dentatus. 
Torn (lacerus), irregularly divided by deep incisions, 
Tortuous (¢ortuosus), having an irregular heading and turning direction. 
Torvutosus. See knotted. 
Torus. See Thalamus, 
TRAPEZIFORM (trapeziformis), having four edges, but the opposite ones not 
being parallel, as the leaves of Populus nigra. 
TricHotomus, the branches of a plant, &c., in three. 
TRIADELPHOUS, when the filaments arise in three sets or bundles. 
Tricornis, anything terminating in three processes, resembling horns. 
TripENTATUS, when a leaf is truncated at the end, and has three teeth. 
TRIFIDUS, split into three. 
Triconvs, three cornered, having three longitudinal angles, and three plain 
faces. 
Trisuaus, a leaf having three pairs of leaflets. 
TrRiLoBus, three lobed. 
TRIPARTITIS, divided into three parts. 
TRIPINNATUS, tripinnate, leaflets of a bipinnate leaf, which are themselves 
pinnate. 
TRIPTERUS, three winged. 
TRIQUETER, three edged. 
TRISECTED, deeply three lobed. 
TRISERIALIS, or TRIFARIAN, arranged in three rows. 
TRITERNATE (triternatus), a leaf having the common petiole divided into 
three secondary petioles, which are each subdivided into three 
tertiary petioles, each of which bears three leaflets, as in 
Epimedium alpinum. 
TRUMPET-SHAPED (fubatus), hollow and dilated at one end, like that of a 
trumpet. 
Truncate (truncatus), terminating very abruptly, as though a piece had 
been cut off. 
Truncus, trunk or stem, but used only for the trunk or stem of trees. 
Tusatus. See trumpet shaped. 
TouBER, an annual thickened subterranean stem, having lateral buds, from 
which new plants are produced the succeeding year, as the 
potato, 
