432 



GLOSSARY. 



petiole 3 times divided, or with bipin- 



nate divisions on eacli side. 

 TripinndUfid: pinnatelj- dissected, with the 



primary divisions twice pinnatifid. 

 Tfiplinevved ; having 3 principal nerves 



from the base. 

 Triquetrous ; having 3 angles and 3 flat 



sides, as the culms'of many CvrERACE t". 

 Trisepalous : having 3 sepals. 

 Triternate leaf. TVhen the petiole is twice 



divided ternately, and each final branch 



bears 3 leaves. 

 Truncate; having the end blunt, as if 



transversely cut off. 

 Tube; a pipe" or hollow cylinder. 

 Tuher. A solid fleshy knob attached lo 



roots. 



Tiilierde. A small excrescence, knob, or 

 point on a surface, making it roagh or 

 uneven. 



Ttiberculate: covered with tubercles. 

 TtiberiferoiJis: bearing or jn-odncing tubers. 

 Tuhermis^ consisting "of, or flesh}- and solid 



like tubers 

 Tiihular: having a tube, or constructed 



like a tube. 

 Tuft: a bunch or fascicle growing from the 



same root, or originating nearly at the 



same point. 

 Tumid: swelled, or enlarged 11 :e a swell- 



Tunicate; coated ; having concentric coats, 



or thin layers. 

 TurMnate; top shaped ; resembling an in- 

 verted cone. 

 jTw/. The green sward, or grassy sod. 

 Ttcrffid; swelled, but not inflated. 

 Tix,rio)K A. tiiick. tender young shoot of a 



plant, as of Asparagus, Hop, c. 

 Tussock. A dense tuft or bunch formed at 



the rout, as in some species of Cares, 



Grasses, &c. 

 Ticin: two of tlie same kind connected, or 



growing together. 

 Ticining; winding round and ascending 



sph-ally. 



Tu-o milked i or razeed). See distidious. 



Type; a model or form : a pattern individ- 

 ual which unites in itself most complete- 

 ly the characters of a gro p. 



TJmhel. A kind of inflorescence, in which 

 the flower stalks proceed from a common 

 centre, like rays, or the braces of an um- 

 brella. Umbels are simjjle, or compound, 

 which see. 



Umhellate; in the form or manner of an 

 umbel. 



XJmhellet. A partial umbel ; one of the 

 subdivisions of a compound, umhel : 

 "Which see. 



UmTjeJMp rous; bearing the flowers in um- 

 bels. 



UmhiJJ.cate; navel like; having a central 



pit, or depression. 

 Umbonate; protuberant, having a boss or 



elevated point in the centre. 

 Unarmed.; without thorns or prickles. 



Uncinate; hook-shaped; hooked at the 

 end. 



Undulate; wavy ; curved, or rising and 

 depressed, like waves. 



Unequal; the parts not corresponding in 

 length. siEe, form, or duration. 



Unguictdate: having a slender or narrow 

 base, like an unguis, or claw. 



Uniform, or uniformly: in one form, or 

 manner : equally and alike. 



Unilateral; on one side: growing, or in- 

 serted, ail on one side of a stem, or com- 

 mon peduncle. 



Unisexual; of one sex — i. staminate or 

 pistillate, only. 



Urceolate; pitcher-shaped, or urn-shaped ; 

 swelling below, and contracted to a neck 

 above. 



Ut.>'icle. A little sac, or thin membranace- 

 ous pericarp, which encloses, but does 

 not adhere to, the seed. See Caryop' 

 sis. 



Valvafe aestivation. "When the sepals or 

 petals are folded together, and fit by their 

 edges, without overlapping. 



Valves. The several parts'of a regularly 

 dehiscent pericarp, — especially of a cap- 

 sule: also, the scales which close the tube, 

 in some corollas: and the chafty pieces 

 •which cover the flowers of the Grasses. 



Var. ( Varietas); a variety or modification 

 of a species. 



Variety. A new or unusual form, or mod- 

 ification of a plant, produced by acciden- 

 tal causes, — ^such ascrossinsr. soil, climate, 

 culture, &c. but not perninnently, or at 

 least, not speHfically. distinct. 



Vascular plants. The higher orders of 

 plants (including all above the J/r).w-<!\ 

 — composed more or less of woody fibres, 

 and elongated cells or vessels, in the form 

 of slender tubes. 



Vaulted; arched over, like the roof of the 

 mouth. 



Veins: the elongated vessels of leaves : of 



ten synonymous with nerves. 

 Veined; having the vessels variotisly 



branching, over the surface 

 V-nation of a leaf The distribution of the 



veins, or frame work, in the lamina or 



blade. 



Ventral: contained in, or belonsin? to, the 

 belly. " " 



Ventral suture. The line or seam of a 

 carpel, or folded leaf formed by the union 

 of its margins: the opposite o{dor>ial. 



Ventrirose^ hcWSeA: swelling out in the 

 middle, or below it. 



Veriiation. The mode in which young 

 leaves are folded and packed in a bud. 



Verrucose: warty : covered with wart like 

 excresence^. 



Vers<ttile anther. Wlion it is fixed by the 

 middle on the point of the filament, and 

 moves rotmd lightly and readily, — as in 

 the Grasses i^c. 



Vertical, or vertically: in a perpendicular 



