turgid 



uliginous 



tur'gid, tiLr'gidus (Lat., iuflated), 

 swollen, but not ^^ith air; Tur'gor 

 (Lat.), turgidity, turgescence. 

 Tu'rion, Tu'rio (Lat., a shoot), a scaly 

 sucker, or shoot from the ground, 

 as Asparagus; turionif'erous, -ras 

 ifero, I bear), throwing up turions. 

 Turm'eric (said to be from terra 

 7M«rito, valuable earth), the powdered 

 rhizome of Curcuma longa, Linn., 

 which yields a yellow dye. 

 turned, in botany, directed towards ; 

 as -^ in' wards = introrse ; ^ out'- 

 wards = extrorse. 

 tur'nip-shaped, also termed napiform. 

 Tur'pentine {tcvebinthus, turpentine 

 tree), the solution of resins in tere- 

 bene ; -' Ves'sels, tubes in the Avood 

 in which the turpen^'ne collects 

 during growth, common in Conifers. 

 Tus'sock, a tuft of grass or grass-like 

 plants ; ~ Forma'tion, occurring 

 in New Zealand and the Falkland 

 Islands, composed of thick tufts of 

 certain grasses. 

 Twig, a small shoot or branch of a 

 tree; '-' Cli'mbers, Schenck's term 

 for certain Brazilian lianes, the 

 young leafy lateral branches being 

 sensitive where in contact witli 

 their supports ; --' Gall, a morbid 

 growth ascribed to the action of 

 bacteria ; ~ -like, long, flexible and 

 wandlike. 

 Twin, in pairs, geminate, didymous ; 

 -^ -bund'le, the double leaf-trace of 

 Lyginodcndron ; -' Crys'tals, double 

 styloids. 

 Twi'ners, plants which twine or climb 

 by winding their stems round their 

 suj>port; twi'ning, winding spirally. 

 twist'ed, contorted, 

 two-armed, used of Malpighiaceous 

 hairs ; -^ cleft, bifid ; --' edged, 

 ancipital, laterally compressed with 

 two sharp angles parallel with the 

 axis ; -forked, dichotomous; ~ lipped, 

 bilabiate; '-' -part'ed,-bi[iartite; '-- 

 -ranked, distichous ; ~ -toothed, 

 bidentate. 

 tycholimnet'ic {rvxn, fhance, -f lim- 

 netic), tychopelag'ic {irfhayos, the 

 open sea), used of that floating 



vegetation which at times is at the 

 surface, and at others is attached 

 to plants or rocks at the bottom ; 

 tychopot'amic {TroTaixhs, a river) 

 Plank'ton, the floating organisms of 

 pools and river overflows (Zimmer). 



tylic'olor (Mod. Lat.), the colour of a 

 woodlouse, slate or dark grey. 



Ty'lose, Tylo'sis {tv\os, a callosity), a 

 cell intruding into a duct. 



tym'paniform {tympanum, a drum ; 

 forma, shape), drum-shaped, as the 

 membrane covering a Moss-capsule ; 

 tymp'anoid, Berkeley's term for 

 "resembling the head of a drum; " 

 Tym'panum, the membrane across 

 the mouth of the capsule of a Moss, 

 the epiphragm. 



Type {typus, a type), the ideal repre- 

 sentative of a group, genus, species ; 

 r^ Spec'imen, the original specimen 

 from which a description w^as drawn 

 up ; — pri'mary -' = Proterotype ; 

 sec'ondary ~ or gupplemen'tary '-' 

 = Plesiotype, Neotype ; typ'ical, 

 typHcus (Lat.), representing the plan 

 or type ; ~ Cells, fundamental cells ; 

 '-' Di'agram, the resultant form 

 from several empiric diagrams: -^ 

 Specimens =» Icoi ypes. 



Typhe'tum, Warming's term for an 

 association of Typha plants. 



Ty'piform (+ Form), a constant form 

 arising either by natural selection or 

 by animal adaptations ; its exist- 

 ence is fi'equenlly dependent on 

 animals (Kuntze). 



Ty'ponym (uvo/xa, a name), a name 

 rejected because an older name was 

 based upon the same type (0. F. 

 Cook) ; adj. typonym'ic. 



Ty'rosin {rvphs, cheese), an amide, 

 similar to Asparagin ; Ty'rosinase, 

 an oxidizing enzyme which attacks 

 the chromogen of certain Fungi 

 (Bertrand) ; probably a compound. 



Ubi'quist [iibique, everywhere), used by 

 Thuruiann and adopted by Warming 

 for a j)lant which occurs on any kind 

 of geological formation. 



ulig'inose, uligino'sus, ulig'inous, iiU- 

 ginar'ius (Lat., marshy), growing 



396 



