E A 



LEA 



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pex tip. Is the extremity in which the Leaf termi- 

 nates ; Leaves in rcfpeft to thefe are termed, 

 A truncated Leaf (Trumatu^n) is one v/!iofe fummir 

 Iccins as though it were cut off by a ftraic line, in a 

 tranlVcrfe direftion. 



A bitten Leaf {PrcemGrfum) is one which is terminated 

 by very Wunt unequal cuts, fig. 3 i,. 

 A blunt \..^-ai {Relufum) is one whofe extremity is tcr- 

 n^iinated by an obtufe finus, fig. 32. 

 A nicked hta{ (Eniargi/ialum) is one Vv'hofe extremity 

 is a little notched, fig. 33. 



An obtufe Leaf {Obttifum) is one v/hofe point is ter- 

 minated bluntly, or by a fegment of a circle, fig. 34. 

 A fharp Leaf {Acutum) is one whofe point is termi- 

 nated in an acute angle, fig, 35. 

 An acumiinated 'L.^^xi {Acitminattan) is one which is ter- 

 minated by an awl-fhaped point, fig. 36. 

 A pointed obtufe l^^zi {Obttifum aaDnine) is one whofe 

 upper part is rounded, but draws to an acute point, 



f ■ 



^o- 37- 



A clafper Leaf {Cirrhofum) is one whicli terminates 

 with a tendril, fig. 38. as in Gloriofa, Flagellaria, &c. 

 The margin of a Leaf is the outermoft boundary of 

 its fides, exclufive of its difk or middle, fo inrefped 

 10 their margin are, 



A fpinous Leaf {Spinofum) is one whofe edge or bor- 

 der ends with hard ftifF prickles, fig. 39. 

 An indented Leaf {Dentatum) is one whofe edge has 

 horizontal points of the fame confiftence with the Leaf, 

 but arc feparated from each other, fig. 40.-^'-"<-*- ■ 

 A fawed Leaf {Serratum) is one whole edges are 

 fharply notched like the teeth of a faw, which make 

 acute angles bending toward the top, fig. 41. " 

 A backward fawed L-eaf {Rett or f of erratum) is one 

 whofe ferratures or teeth, are bent toward the bafe of 



the Leaf.^ '■ . 



A double fawed L.Qzi {DtipUcato-ferratum) is one whofe 

 . : edges are fawed with larger teeth, and the edges of 

 thefe are again fawed in the fame manner. 

 A notched Leaf {Crenatum) is one whofe edges are 

 indented with angles, which neither turn toward the 

 point nor bafe. When thefe indentings terminate 

 obtufely, it is called obtufe crenated ; when acutely, 

 .acute crenated; when the indentures are again in- 



A rough Leaf {Scahrum) is one whofe furface has on 

 itfevcral little irregular prominences. 

 A prickly Leiif {ylculeatum) is one whofe furface is 

 covered with ftrong ihaip points or thorns, which ad- 

 here lightly to the furface. 



A flreaked or channelled Lczf (Striatum) is when its 

 furface has a number of parallel longitudinal furrows. 

 A pimpled lj^:i{ {P apilloftim) is one whofe furface has 

 many little roundiili protuberances like nipples or 

 bladders, fig. ^0. 



Apun6luared l^caf (Punclatum) is one whofe furface 

 has many hollow points difperfed over it. 

 A brigh.t or fplendent Leaf (Nitidum) is one whofe 

 furface is fmooth and iliining, as if polifhed by art. 

 A plaited Leaf {Plicatum) is one which has feveral an- 

 gular rifings and hollows towards its borders, as if 

 folded up, as in Alchimilla, fig. 51. 

 A waved Leaf (Undidatum) is one whofe furface to- 

 ward the edges rifes and falls convexly like the waves 

 of the fea. 



A curled Leaf {Crifpum) is when the circumference 



of the Leaf grows larger than the dilk will admit, fo 



that the whole furface is raifed in waves, fig. 52^ 



A rough h^f (Rugofum) is one whofe veins are con- 



traded and funk below the difk, and the intermediate 



flefliy parts rife in irregular forms, fo as to appear 



rough, fig. 53. _ , 



A hollow or concave Leaf (Concavum) is one whofe 



margin coptradts, fo is lefs than the middle, and is 



fiink down or hollowed. -" , ' 



A veined Leaf {Venofu7n) Is one whofe veins are 



branched, and appear to the'haked eye. , 



A convex Leaf (C^i^z/^^^i^^) Is'" one whofe middle rifes 



into a protuberant form. 



■^ n 



-. 4 k ^-- 





A nervous 'L^3,f (Nervofum) is when the veins are ex- 

 tended lengthways from the 'bafe toward the fummit 

 without branching, fig. 54. . . . . ' 'V'' 



A coloured Leaf iColoratiim) is one which has other 

 colours than green. 



A fmooth Leaf [Ghhrum) is one whofe furface is 



fmocJth, without any inequalities. 



The fubftance of a Leaf refpedts the conditions of its 



fides, in this refpedl Leaves are, 



A tappr Leaf {Teres) is one of a thick fubftance, and 



dented, it is called double crenated {Duplicato-crena- I for the moft part of a cylindrical form. 



' - 



iur/iy) hg. 42. 



A half taper Leaf [Semicylindraceufn) is one which is 



A bowed or ferpentine Leaf {Repandum) is one whofe 1 of a cylindrical foi-m, flatted on one fide. 



1 . ■ 



margin has feveral obtufe finufes which are infcribed 

 with the fegments of circles, fig. 43. 



A hollow Leaf {Tubulofum) \% one which is hollowlike 



"a pipe, as thofe of the Onion: *" -'^^ *- - - i^v^*;;..- 



•^ ~, . *-«-***'. -^ 



A cartilaginous or grifly Leaf {Cartilaginetm) is one 1 A flefliy Leaf {Carnofurn) is one that is lucculent or 



V .whofe edge is furniflied with a firm cartilage of a dif- 

 ferent fubftance v/ith the Leafj^ii 



"'• ^^ 





44 



_ Kj,-'ii 



;.-' A- ciliated Leaf {Ciliatm) is oAe whofe edge is fet 

 \ ' with parallel hairs, fo as to refemble the hairs of the 

 ■ eye-lid, fig. 45. : 

 -^'A torn hczf {Laceratum) is one "whofe edges are cut 



^ full of pulp7 -.'^:^-^-^'. >.C_^,..: j:>^, 



■'/"^A'cbmprefled 'L^zf (CompreJ/um) is one whofe margi- 

 "f n^l fides are pfefled, fo that the fubftance'bf the Leaf 



I - - 







is larger than the difk. 



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,>'v^A plane L.c^f (Planum) is one whofe lurfaces are every ^: 



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into fegments of irregular fliapes. ,;■ 



A gnawed Leaf {Erofum) is one which is firiuated,"and 



the finufes have their edges again indented with fmall 





where parallel. 

 . A gibbous latzf (Gibbum) is one which is convex oh ^ 

 • both fides, the 'middle being fuller of pulp,_^ 



. J 



r- 



. obtufe finuations, fig, 46. -i^^j^Jii} -""^^ 



A deprefled l^tzf {Deprejfum) is one whofe difk Is more . 



'i 



-ft'-* 





.- 

 J'. 



depreflfed than the fides.^ ^' - ^^;*.-'^*^ 

 iv A very entire Leaf (/K/fP"^rrm«i'??) is one whofe marein I 'A 2;uttered Leaf (C^;;^//(r/v/<:r/^wj) is one which has a 



longitudmal deep furrow running through the middle 

 :' '^^ <.uv T ««4^ XryA "t^" -^ttVirxtV' cylindrical, fig*' 55. ' ^*- 



h - 



: IS entirely free of all notches or indentures/^l CPf ^^ 

 The furface {Superficies) is the outfide, or what covers 



t'^ the diflt of the Leaf, "and refpefts both the tipper and 

 under furface, fo afe Termed, ^"^-^ ^*w;*::>-:o 





h , 



--w 



lA vifcous ht^f {Vifcidum) has^its fuperfices covered 

 with a clammy moifture which is not fluid, but fticky. 



- A downy Leaf (Tomentofum) is^orie^whofe furface is 

 covered with a nap of interwoven" hairs (6 ftiort "and 

 fine, that the' eye does not diftinguilh themTingly, 

 though the Leaf is evidently downy both to the fight 

 and touch, fig. 47. : ^ ^ ^...r^ 



of the Leaf, Snd is 



A double-fated Leaf {Anciphes) is one whofe dilk is 

 ^ convex^'and has two prominent longitudinal^ngles. 

 -^A' fword-fliaped Leaf (£^^w|}^ is one with thin; 



edges, with a prominent rib running rronfi the bafe to 

 -the point in the middle.:'*^' '';^?^4*^j^r'W::n4 



A faulchion or Tcymifer-niapecTLH^ is 



one which is flefhy'ahd comprefled, with one of its 

 ■ edges'^convek and narrow, the^other thick and ftrait. 





'. 



v5 » :>*. 



- • T* <* - - 







A woolly Leaf {Lanatum) is one whofe furface iis co- 

 vered with a kind of woolly fubftance, like a fpider's 

 web, as in Salvia, Sideritis, &c. 

 A hairy Leaf {Pilofum) has its furface furnifhed with 

 long diftindt hairs, fig. 48. ■ --■ 



4, 'V-' 



^ * 



■ fig- 5^- 

 An ax-fliaped 'L.tdif {Botabrifprme) is 'one which is 



^' roundifll, obtlile, an(i comprefled, gibbous on the 

 ' -outfide, the infide Iharp-edged and taper below, 



A tongue-fliaped Leaf {Linguiforme) is linear, flelhy, 

 and obtufe. convex on the under fide, and has oiten 





A rough or ftinging Leaf (i7//^/^«»7) is one whofe fur- 

 ■^face is covered with rigid hairs, which either ftineror | "' cartilaginous ed^es. fig. 58I 

 pncK on being touched, fig. 49. 



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