ANALYSIS OF THE ORDERS 



85. Fruit fleshy, compound. Juice (sap) milky. Artocarps 114 



85. Fruit dry ^except in Myrica, 121). Sap watery.. . .36. 



86. Aments globular, racemed. Nntbts 2-cellecl. (Liquidambar.) Order 62 

 36. Ainents globular, solitary. Kutlets 1-celled. Sycamores 116 



36. Aments cylindrical or oblong 37. 



37. Ovary 1-celled, 1-seeded. Fruit dry or fleshy. Galeworts. 12 

 37. Ovary 2-celled, 2-ovuled, 1-seeded. * Eirchworts. 121 



37. Ovary many-ovuled, many-seeded. * WUlowiuorts. 12 



D. ORDERS OF THE CONOIDS. 



leaves simple. The fertile flowers in cones. Stems branched. * Pineworts. 127 

 Leaves simple. The fertile flowers solitary. Stems branched. * Yewt. 128 



Leaves pinnate. Steins not branched, palm-like. Cycadg. 129 



E. ORDERS OF THE SPADICIFLOR^E. 



1. Trees or shrubs with pal mately- cleft leaves all from one terminal bnd, and 



a branching spadix arising from a upathe. Palms. 130 



1. Herbs with simple (rarely ternate) leaves. Spadix simple.... 2. 



2. Plants minute, floatii'g loose on the water. Duckmeats. 182 



2. Plants with stem and leaves rooting in the soil.... 3. 



8. Spadix evident, in a ^pathe or on a scape. * Aroide. 1-31 



8. Spadix obscure or spike-like. Stems leafy 4. 



4. Flowers with no perianth, densely packed. *Typhads. 182 



4. Flowers with a perianth or not. In water. * Naiads. 183 



F ORDERS OF THE FLORIDE.E. 



1. Flowers (not on a spadix) in a small, dense, mvolucrate head. ..17 



1. Flowers (not on a spadix) solitary, racemed, spicate, &c 2. 



2. Perianth tube adherent to the ovary 4. 



2. Perianth free from the ovary 3 



3. Petals and sepals differently colored (except in Medeola, 147) 9 



8. Petals and sepals similarly colored.... 12. 

 4, Flowers imperfect .... 5. 

 4. Flowers perfect . .6 



5. Low herbs, in water * Frogbits. 184 



5. Woody climbers. Yamroots. 144 



6. Stamens 1 or 2, growing to the pistil (gynandrous). * Orchids. 183 



6. Stamen only 1, with half an anther. Arrowworts. 139 



6. Stamens 3 to 6, distinct 7. 



7. Perianth woolly or mealy outside. Ovary half-free. Blooawortt. 149 



7. Perianth glabrous outside ... .3. 



