m 
SUPPLEMENT TO LINCOLN'S BOTANY. 
TABLE, OR ARTIFICIAL KEY TO THE NATURAL ORDERS.* 
1 Plants having distinct and visible flowers... 2 
Plants having no visible flowers 226 
2 Leaves net-veined. Wood in concentric layers ^ . 3 
Leaves straight-veined, or feather-veined, wood not in concentric layers. ..205 
3 Flowers complete ; that is, having both calyx and corolla 4 
Flowers incomplete; wanting one of the floral envelops 97 
4 Corolla polypetalous ; that is, the petals distinct 6 
Corolla monopetalous ,* that is, the petals joined into a tube 157 
5 Stamens more than 20 6 
Stamens fewer than 20 31 
6 Ovary inferior; that is, adhering to the calyx more or less... 7 
Ovary superior; that is, not adhering at all to the calyx 14 
7 Leaves with stipules. The Apple Tribe, see Pome^ in Rosacea 445 
8 Carpels more or less distinct from each other. 
I'he Bauera Tr., in Hydrangece, see SaxifragacEuI!, 460 
Carpels wholly combined 9 
9 Placentas spread over the whole surface of the partitions of the fruit. 
The Water Lily Tr., NvMPHACACEiB, 407 
Placentas confined to the center or sides of the fruit 10 
10 Placentas parietal ; that is, adhering to the sides of the fruit 11 
Placentas central; that is, growing together in the middle of the fruit.. .12 
11 Petals few in number, and different from the sepals. 
The Loaaa Tr., Loasaceje, 455 
Petals numerous, and un distinguish able from sepals. 
The Cactm Tr., Cactacejd, 453 
12 Leaves with little transparent dots. The Myrtle Tr., Myrtacejb, 448 
Leaves quite opaque 13 
13 Petals very numerous. The Fig-Marigold Tr., MESEMBRYANTHEMACEiE, 420 
Petals very few (4 — 5). The Syringa Tr., see Philadelphia in SAXiPRAGACEiE, 460 
14 Leaves with stipules 15 
Leaves without stipules 21 
15 Carpels more or less distinct 16 
Carpels wholly consolidated 17 
16 Stamens hypogynous. The Magnolia Tr., Magnoliace^, 401 
Stamens perigynous. The Rose Tr., Rosacea, 445 
17 Estivation of the calyx imbricated..l8 
Estivation of the calyx valvate 20 
18 Flowers unisexual ; that is, stamens in one flower, and pistil in another. 
The Euphorbia Tr., EuPHORBlACEiE, 519 
Flowers bisexual; that is, with stamens and pistil in the same flower 19 
19 Sepals two. The Purslane Tr., Portulacace^. 419 
Sepals three or five. The Rock Rose Tr., Cistace^, 416 
20 Stamens monadelphous ; that is, united with each other in a tube. 
The Malloio Tr., Malvaceje, 421 
Stamens all distinct. The Linden Tr., Tiliacb^, 422 
21 Carpels more or less distinct 22 
Carpels quite consolidated 25 
* The numbers after the name of the Natural Order reter to the sections in this book where that 
drder is described. The plan is that of Lindley, with some modiflcation*. 
