Page:Encyclopædia Britannica, first edition - Volume I, A-B.pdf/762

 B O T .Fig. 57. Erofuvi, as if eroded or eat irregularly by fome corrofive fubftance. 58. Palmatum, refembling a hand. 59. Pinnatum, divided into pieces refembling fins. 60. Laciniatum, with many cuts or indentures in the margin. 6t. Sinuatim, having wide finufes or hollows in the margin. 6-2. Dertato-Jinuatum, having finufes and divifions refembling teeth. 63. Retrorfum finuatum, hollowed and bent backwards. 64. Partitum, when the divifions or fegments reach near the bafe of the leaf. 65. Repandtim, a waving but undivided margin. 66. Dentatum, teethed, /. e. when the tops of the fegments are remote from each other. 67. Serratum, when the fegments uniformly incline to the extremity. 68. Duplicalo-ferratum, doubly ferrated, i. e. when the leffer fegments incline to the extremities of the larger ones. 69. Duplicato-crenatuni, doubly crenated, (74) , 70. Cartilagineum, the texture. margin of the leaf has a cartilaginous when or griftly 71. Acute-crenatum, fnarp fegments having no determinate inclination to either extremity. 72. Ohtufe-crenatum, the fame with the above, only the fegments are blunt. 73. Plicatum, plaited, or confifting of regular folds. 74. Crenatum, fegments having no inclination to either extremity. 77. Crifpttm, when the margin is larger than the difc, and formed into a kind of waves. 76. Obtufum, blunt at the top. 77. Jcutum, fharp, or pointed. 78. Acuminatum, when the leaf tapers to a fiiarp point at the top. 79. Obtufum acumine, having a ftiort Tubulated point. 80. Emarginatum acute, having lharp divifions at the top of the leaf. 81. Unciforme marginatum, having wedge-fliaped divifions at the top. 82. Retufum, having blunt finufes. 83. Pilofum, covered with long diftinft hairs. 84. Tomentofum, interwoven with foft hairs, and often of a white colour. 85. Hifpidum, having brittleof rough tered upon the difc the leaf.bridles diffufely fcat86. Ciliatum, having parallel briftles round the margin. 87. Rugofum, full of rugae or wrinkles. 88. Vencfum, having veins or nerves confifting of many ramifications. 89. Nervofum, when the veins or nerves are extended from the bafe to the top without any branches. 90. Papilhfum, covered with veficles, bladders, or hollow points. 91. Linguifsrme, like a tongue, i. e. flelhy, linear, obtufe, convex below, and having frequently a cartilaginous margin. 92. Acinaciforme, refembling a kernel;—comprefled.

N flelhy, having one edge narrow and convex, and the other thicker and more ftraight. 93. Dolabrifcrnte, refembling an ax;—comprefled, roundilh, gibbous on the outfide, with a lharp edge, which is a little blunter below. 94. Deltoidcs, an irregular rhomboidal figure. See the leaf of the black poplar. 95. Triquetrum, having three plain fides. 96. Canaliculatum, having a deep longitudinal furrow. 97. Sulcatum, having feveraJ deep furrows. 98. Teres, cylindrical, or like a cylinder. 99. Binat.um, when a Ample petiolus has two leaves connected to its apex. 100. Ternatum foliis fejjilibus, three fellile leaves (/. e. having no petioli) conne&ed to one common petiolus. 101. Ternatum foliclis petiolatis, three leaves upon a ' common petiolus, each having at the fame time a feparate petiolus. 102. Digitatum, or refembling fingers, /. e. when a Ample petiolus has two, three, four, or more leaves connected to its apex. -J03. Pedatum, a bifid or forked petiolus, having fmall leaves conneded to its interior fide. 104. Pinnatum cum impart', fmall leaves connefted to the fides of a fimple petiolus, terminated by an odd leaf. ioj. Pinnatum abruptum, neither terminated by an odd leaf nor a cirrhus. 106. higher and higher alternately upon the petiolus. 107. alternately larger and fmaller. 108. ends in a cirrhus. 109. conjugatum, when the common petiolus has only two leaves connected. no. decurfive, when the fmall leaves run along the petiolus. Hi. articulate, when the common petiolus is jointed. 112. Lyratum, like a harp, /. e. when the leaf istranfverfely divided into fegments, the fuperior of which are larger than the inferior, and the inferior ones are more diftant from each other. 113. Biternatum, or duplicato-ternatum, when the common petiolus has three ternated (100) leaves fixed to it. The epimedium is an example of this. 114. Bipinnaturn, or duplicato-pinnatum, when the common petiolus gives off pinnated (104) petioli from its fides. 115. Triternatum, or triplicato-ternatum, when the common petiolus fends off from its fides three biternated (113) leaves. 116. Tripinnatum fine impari, when the common petiolus has three or more bipinnated (114) leaves fixed to its fides, not terminated by a Angle leaf. XI7, cum impari, the fame with the former, only terminated by a fingle leaf. Terms Fig.