TYD 



572 



ULM 



TtdAa. See Gtsnera. 



Tyl6phora, R. Brown. From tylos, a swelling, 

 and phono, to bear ; alluding to the ventri- 

 cose pollen masses. Linn. 5, Or. 2, Nat. Or. 

 Asclepiadacece. Interesting plants. For cul- 

 ture and propagation, see Hbya. 

 barbata . . Purple . 7, S. Ev. Tw. 10 N. S. W. 1822 

 exllis . . .Pa. pur. . 7, S. Ev. Tw. 10 Sylhet . 182S 

 grandiflbra . Purple . 7, S, Ev. Tw. 10 N. S. W. 1822 



Tympananthe. See Dictydnthus. 



Tympanis, Tude. From tympanum, a drum ; the 

 resemblance of the young velum. Linn. 24, 

 Or. 9, Nat Or. Helvelldxeas. Found upon dead 

 alder branches — dlnea, conspirsa, frdxini. 



TyndarIdea, Bory. Meaning unknown. Linn. 

 24, Or. 1, Nat. Or. Confervaceoz. An aquatic 

 cryptogamic plant of botanical interest only 

 — anbmala. 



Typha, Linn. From typhos, a marsh ; habitat 

 of the species. Linn. 21, Or. 3, Nat. Or. 

 Typhacece. The pollen of Typha is inflam- 

 mable like that of Lycopddium, and is used 

 as a substitute for it. 



angustifblia . Brown . 6, H. Grass 4 Brit., ditches. 

 dEenatica . . Brown , 7, H. Grass l 1 Egypt . 1825 

 latifolia . . Brown . 7, H. Grass 6 Brit., ditches, 

 minima . . Brown . 7, H. Grass 1J Switzerl. 1822 

 minor . . . Brown . 7, H. Grass 2" Eng., marshes 



TY"PHACE.ae, or Bull- rushes, herbaceous plants 

 growing in ponds and ditches. The order con- 

 sists but of two genera ; species of both are 

 common in Britain, and in most of the cooler 

 parts of the world. 



Typhalea. See Pavbnia Typhalea. 



Typh6nium. See Arum. 



Typhula, Fries. A diminutive of Typha, to 

 which the heads bear a miniature resemblance. 

 Linn. 24, Or. 1, Nat. Or. Agaricacece. Found 

 on rotten wood and dead leaves — eryfhrbpus, 

 filiformis, grdcilis, Phacorhiza, tenuis. 



Tyr£mnds. See Oarduus. 



Tyt6nia, 67. Bon. In honour of Arthur Tyton, 

 F.L.S, by whom many of the oldest inhabi- 

 tants of our gardens were preserved, but parti- 

 cularly those which were formerly cultivated 

 by Miller, and which are now only to be found 

 in his collection. Linn. 5, Or. 1, Nat. Or. 

 Balsaminacece. A beautiful aquatic plant, 

 worthy of a place in every collection. It must 

 be grown in large pots of water, in a rich 

 loamy soil, and placed in a hot part of the 

 stove. The seeds require to be sown in spring. 

 Synonyme : 1, Impatiens natans. 

 natans 1 . Various . 8, S. Aq. A.. 2 E. Indies . 1810 



u. 



UGISNA. See Lygbdium. 

 Ugni. See Eugenia Ogni. 



TJlex, Linn. Said to be taken from the Celtic 

 ac, a point ; in allusion to the prickly branches. 

 Linn. 16, Or. 6, Nat. Or. Fabacece. The 

 double variety of U. Europcea is a very elegant 

 plant, and is increased by young cuttings, 

 under a hand-glass ; the other kinds are in- 

 creased by seeds. Synonyme : 1, U. hibirnica. 

 See Stauracdnthus. 



europsea . . Yellow . 6, H, Ev. S. 5 Brit., heaths, 

 flbre-pleno. Yellow . 5, H. Ev. S. 5 Brit., gards. 

 nana . . . Yellow . 8, H. Ev. 8. 2 Brit, heaths, 

 provincialis . Yellow . 7, H. Ev. S. 4 S. Eur. . 1828 

 strfcta 1 . . Yellow . 10, H. Ev. S. 6 Ireland. 



TJll6a, Persoon. In honour of Antonio Ulloa, 

 a Spanish naturalist. Linn. 5, Or. 1, Nat. 

 Or. Solanacece. This species succeeds well in 

 decayed wood, or vegetable mould, and is in- 

 creased by cuttings. Synonyme: 1, Juanullba 

 parasitica. 

 parasitica 1 . Scar. or. . 6, Parasite 2 Peru . 1824 



TJlluco. See Ullucus. 



TJllucus, Lozano. From ulluco, its Peruvian 

 name. Linn. 5, Or. 1, Nat. Or. Basellacece. 

 The species is a native of Peru, and the roots, 

 being tuberous, are eaten by the natives. "When 

 the potatoes in this country were attacked with 

 disease in 1846, this plant was introduced to 

 supply the place of the potato ; but as it did 

 not suit our palates, its culture for food was 

 abandoned. Any common light soil will suit 

 it, and increase is by tubers. Synonymes: 1, 

 Mellbca tuberbsa, M. peruviana, Basilla tu- 

 berosa. 

 tuberdsa 1 . . Whitish . 6, P. Tu, P. 1 Peru . 1846 



[Tlmaria. See Spirdea Ulmaria. 



Ulmus, Linn. Supposed to be from the Saxon 

 word elm, or ulm, a name which is applied, 

 with very slight alterations, to the trees of 

 this genus in all the dialects of the Celtic 

 tongue. Linn. 5, Or. 2, Nat. Or. Ulmacece. 

 Fine forest trees, succeeding best when grown 

 on strong lands. They are increased by layers, 

 from stools, or by grafting on the U. mon- 

 tana. Synonymes: 1, V. ehinknsis ; 2, U. 

 stricta ; 3, U. humilis, microphfilla, parvijolia, 

 pumila; 4, V. planifblia ; 5, U. sarniinsis ; 

 6, V. visebsa ; 7, U. ciliata ; 8, U. pincfada ; 

 9, U. americana, montana vigeta; 10, TJ. 

 scabra ; 11, V. crispa. See Pldnera. 



allta . . . Brown 4, H. De. T. SO ST. Amer. . 1820 



alba . . . Brown 4, H. De. T. 30 Hungary . 1824 



americana . Brown 4, H. De. T. 35 N. Amer. . 



alba . . . Brown 4, H. De. T. 30 N. Amer. . 



f g M ™ rle _' j- Brown 4, H. De. T. 20 ST. Amer. . 



inclsa . . Brown 4, H. De. T. 20 N. Amer. . 

 pendula . Brown 4, H. De. T. 30 N. Amer. . 1820 

 rubra . . Brown 4, H. De. T. 26 N. Amer. . 1824 

 campestris . Brown 4, H. Do. T. 80 Britain, fields. 

 acuti£61ia . Brown 4, H. De. T. 80 Britain, fields, 

 alba . . . Brown 4, H. De. T. 80 Britain, fields, 

 bctulaafblia- Brown 4, H. De. T. 30 Britain, fields, 

 chinensis 1 Brown 4, H. De. T. 50 China 



°f olia V!B ". } Brmm *. H. De. T. 50 Britain, fields. 



C «nsis b 2 } Brown 4 > H - De - T. SO Britain, fields. 



cucullita . Brown 4, H. De. T. 40 



fol. aureis . Brown 4, H. De. T. 50 Britain, gards. 



f gitis" " J Brown *> H - De - T - 60 Britain, gards. 

 latifblia .' . Brown 4, H. De. T. 80 Britain, fields, 

 nana . . Brown 4, H. De. S. 2 Britain, gards. 

 parvif blia 8 Brown 4, H. De. T. 40 Siberia . . 1822 

 planifblia 4 Brown 4, H. De. T. 25 



