136 



LESSONS IN BOTANY 



60. Stameus on the torus, in' several sets. 

 60. 



61. 

 61. 



* S(. Johnaworts. 18 



Loosestrifes. 



.65. 



South. 



' Saxifrages. 



* Mallows. 

 Silh-cottons. 



Papatos. 

 ' Magnoliads. 



Orangeworts. 



Leaves dotted. 



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



61. Ovaries many, free, but inclosed. 



Ovary componud, free In the bell-shaped calyx. 

 Ovary oobipound, adherent to the calyx. , . .62. 

 62. Leaves with a marginal vein. 

 62. .Lsayes with no marginal vein. 

 68. Petals imbricate or vaivate in the bud. . 



63. PetaiB convolute in the bud 64. 



64. Anthers 1-celled, turned inwards. 

 64. Anthers S-celled, turned outwards. 



65. Ovaries distinct, many or few. . . .66. 

 65. Ovary compound .... 67. 



66. Petals 6, vaivate (§ 129). Erect shrubs. 



66. Petals 8-9, imbricate. Trees or erect shrubs, 



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



67. Leaves dotted with pellucid dots. 



67. Leaves dotless. Sepals vaivate. Pis. small. Idndenblooms. 



67. Leaves dotless. Sepals imbricate. Fls. large. Teawoits. 



68. Style 1, with many stigmas. Green, fleshy shrubs ^ffc^). Indian Figs. 



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



69. Pisti^ many, spicate on the slender torus. Climbers. Schizands. 



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



69. Pistil 1 only. Stameus opposite the petals. . * Berbends. 



70. Flowers 4-parted, with 8 stamens. 



70. Flow'ers 4^parted, with 4 stamens. 



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



71. Ovary 5-carpeled, 5-styled. 



71. Ovary 2-carpeled. Leaves palmate-veined. 



71. Ovary 2-earpeled. Leaves pinnate-veined. 



72. Leaves opposite. Stem climbing by tendrils. 

 72. Leaves alternate. Erect, or vine without tendrils. -BwcWAor«». 

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



73. Carpels lor 2 75. 



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



74. Styles long and slender. Leaves pinnate, serrate. * Soqpwbrts. 



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



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



76. FilamentslO, united into a tube. Leaves bi-pinnate. Pride-of-lnbdia.. 



76. Filaments 5, distinct 77. 



77. Xeaves pellucid-punctate. 



77. Leaves not dotted. Ovary 3-carpeled, 1-seeded. 



77. Leaves not dotted. Ovary 8-carpeled, 8 seeded. 



* Onagrads. 

 * Cornels. 



Araliads. 



* Currants. 



* Samf rages. 



Vineworfs. 



Jiueworts. 

 Sumacs. 



48 

 51 



49 

 61 



24 



25 



2 



5 



28 



26 



27 



.54 



47 



4 



5 



6 



52 



65 



64 

 65 

 61 

 44 

 43 



42 



41 

 40 



