lxii 
INTRODUCTION. 
311 
W 
31 
Orob.anchace®. Pod with 2-4 many-seeded parietal placentae. 
Leaves none, or scale-like. 28$ 
* * Ovary and pod 2-celled, or rarely more, several -seeded. 
M^L IACEiE * ^ eeds man y, no albumen. Corolla imbricated in bud. 290 
Acanthacea. Seeds few, no albumen. Corolla convolute in the bud. 29! 
bCRoPHULARiACEiE. Seeds with albumen. Corolla imbricated. 294 
* * * ° vai 7 and fruit 2-4-celled, splitting into 2-4 one-seeded nutlets. 
Verbenace®. Corolla and calyx irregular or 2-lipped, free. 
_ * # * * Ovary 3-celled, tfoo of the cells empty. 
Linn.®a. Calyx adherent, crowning the dry 1-seeded fruit. 
CLASS XV. TETR ADYNAMIA. (Petals always 4.) 
Order Siliculosa. Pod (silicle) scarcely longer than broad 
Crucifer®. Nos. 11-17. 
Order Siliqnosa. Pod (silique) much longer than broad. 
Crucifer®. Nos. 1-10, 18. 3D 
CLASS XVI. MONADELPHIA. 
Order Di-Triandria. Stamens 2-3. 
Sistr, H chium. Perianth 6-parted, spreading, superior. 
ostemum. Perianth 2 — 3 little scales below. Stam. on one side. 403 
Order Pentandria. Stamens 5. 
Sepa J 8 , and P eta,s 5 * Styles 3 or 4. Berry 1-celled. 
LoBEriA S ^r , if e s ' and 8 , t} les 5 * Pod 5 “ 10-celled/ 
lobelia. Corolla monopetalous, split on one side. Pod 2-celled. 253 
Order Decandria. Stamens 10. 
„ * Flower regular, 5-peta!ous. 
Ox AC priA * Fr Xh 5 one - se , eded carpels united to a long beak. ? 
Oxalis. Pod 5-celled, several-seeded. Styles 5, separate 
# # Flower irregular, papilionaceous. 
Leguminos®. Tribes 3 and 4. Fruit a legume. 91 
° RDER Polyandrla. Stamens many. 
Malvace®. Corolla regular: petals convolute in the bud. 67 
CLASS XVn. DIADELPHIA. (Flowers always irregular.) 
Order Hex-Octandria. Stamens 6-8. 
P^ToX^Pod^Jl^^lied 2 Pari6Ul pUcente ' ° r '• Seeded - S 
Order Decandria. Stamens 10. 
Leouminos.®. Pod a legume. Corolla papilionaceous. 
CLASS XVIII. POLYADELPHIA. 
Order Enne-Dodecandria. Stamens 9-12. 
Flodea. Styles 3, distinct. Stamens in 3 clusters. 54 
_ Order Polyandria. Stamens numerous. 
Tilia. Style 1. Stamens in 5 clusters. 74 
*—«-**••.. 
