136 



LESSON t5 IN BOTANY 



63. 



St. Johntworts. 18 



.65. 



South. 

 ...66. 



Erect shrubs. 



Calycanths. 

 Loose-strifes. 



Myrtlehlooms. 

 * Saxifrages. 



* Mallows. 

 Silh-cottons. 



Papaivs. 



Magnoliads. 



Moonseeds. 



Orangeivorts. 



Lindenblooms. 



Stamens on the torus, in several sets. Loaves dotted. 



Stamens on the calyx (perigynous, § 83) 61. 



61. Ovaries many, free, but inclosed. 

 61. Ovary compound, free in the bell-shaped calyx. 

 61. Ovary compound, adherent to the calyx. . . .62. 

 62. Leaves with a marginal vein. 

 62. Leaves with no marginal vein. 

 Petals imbricate or vaivate in the bud. . 



Petais convolute in the bud 64. 



64. Anthers 1-celIed, turned inwards. 

 64. Anthers 2-cened, turned outwards. 

 65. Ovaries distinct, many or few. 



65. Ovaiy compound 67. 



60. Petals 6, vaivate (§ 129). 

 C6. Petals 3-9, imbricate. Trees or erect shrubs. 

 66. Petals 6-9, imbricate. Climbing shrubs. 

 67. Leaves dotted with pellucid dots. 



67. Leaves dotless. Sepals vaivate. Fls. small. Lindenblooms. 26 



67. Leaves dotless. Sepals imbricate. Fls. large. Teaworts. 27 



68. Style 1, with many stigmas. Green, fleshy shrubs ^ Vrc^i). Indian Figs. 54 



68. Styles several, or 1 with 1 stigma. Woody trees or shrubs. * Hosavorts. 47 



69. Pistils many, spicate on the slender torus. Climbers. Schizands. 4 



69. Pistils 2-6, capitate on the short torus. Climbers. Moonseeds. 5 



69. Pistil 1 only. Stamens opposite the petals. * Berbends. 6 



70. Flowers 4-parted, with 8 stamens. * Onagrads. 52 



70. Flowers 4-parted, with 4 stamens. * Cornels. 65 



70. Flowers 5-parted, with 5, 10, or many stamens 71. 



71. Ovary 5-carpeled, 5-styled. A?'aliads. 64 



71. Ovary 2-carpeled. Leaves palmate-veined. * Currants. 55 



71. Ovary 2-carpeled. Leaves pinnate-veined. * Saxifrages. 61 



72. Leaves opposite. Stem climbing by tendrils. Vinewort^. 44 



72. Leaves alternate. Erect, or vine without tendrils. Buckthorns. 43 



73. Carpels 3-5.... 74. 



73. Carpels 1 or 2 75. 



74. Styles short. Leaves simple. Staff-trees. 42 



74. Styles long and slender. Leaves pinnate, serrate. * Soajoworts. 41 



75. Styles 2, slender. Samara double. * Mapleworts. 40 



75. Style 1, short. (Drupe, or single samara.) ^ Order 99 



76. Filaments 10, united into a tube. Leaves bi-pinnate. Pridc-of- India. 29 



76. Filaments 5, distinct 77. 



77. Leaves pellucid-punctate. Bneworts. 37 



77. Leaves not dotted. Ovary S-carpeled, 1-seeded. Sumacs. 38 



77. Leaves not dotted. Ovary 3-carpeled, 3 seeded. * Soaj>worts. 41 



