20 MAGNOLIACEAE. 



4. A. obovata (Willd.) Nash. Shrub or small tree 8-30 dm. tall, the stems 

 much branched, the twigs red- or brown-tomentose : leaves rather numerous; 

 blades obovate to oval, 4-10 cm. long, often retuse: flowers sessile or nearly 

 so: outer petals 50-60 mm. long, much larger than the inner. 



Pinelands, pen. Fla. (Endemic.) 



5. A. speciosa Nash. Shrub 6-12 dm. tall, the twigs densely yellow- or tawny- 

 tomentose: leaf -blades obovate, cuneate or oblong, 7-14 cm. long: inner petals 

 oblong to lanceolate, mostly over 15 mm. long. 



Pinelands, e. Pla. (Go.) 



6. A. reticulata Shuttl. Shrub 5-10 dm. tall, the twigs densely tomentose: 

 leaf -blades narrowly oblong to oblanceolate or cuneate, 2.5-9 cm. long: inner 

 petals broadly ovate, mostly less than 15 mm. long. 



Pinelands, pen. Fla. (Endemic.) 



7. A. parviflora (Michx.) Dunal. Shrub 3-40 dm. tall: leaf -blades obovate 

 to oblong-obovate or cuneate, 6-17 cm. long: pedicels only a few mm. long 

 during anthesis: inner petals less than 8 mm. long: seeds 12-15 mm. long. 



Rich or low woods, n. Fla. and the upper pen. (Cont.) UPLAND-PAPAW. 



8. A. triloba (L.) Dunal. Shrub, or tree 3-12 m. tall: leaf -blades cuneate 

 to obovate-cuneate or oblong-cuneate, or rarely obovate, 10-30 cm. long: 

 pedicels 10-20 mm. long during anthesis: inner petals less than 20 mm. long: 

 seeds 20-25 mm. long. 



Rich woods, m. Fla. (Cont.) 



2. ANNONA L. Pungent-aromatic plants. Leaves persistent: blades 

 oblong, oval, or ovate. Petals larger than the sepals, converging. Carpels 

 numerous ; style linear. Fruit aggregate. Spr. 



Sepals over 10 mm. wide : outer and inner petals about equal in length. 



1. A. glabra. 



Sepals less than 9 mm. wide : outer petals much longer than the 

 inner. 2. A. palustris. 



1. A. glabra L. Diffuse shrub or tree 14 m. tall: leaf -blades oblong, oval or 

 ovate, 10-18 cm. long: outer petals 3-3.5 cm. long: filaments 4 mm. long: 

 fruit 8-12 cm. long: seeds 15-20 mm. long. POND-APPLE. 



Wet coastal hammocks, trop. and subtrop. pen. Fla. and those of the E. Keys and 

 F. Keys. (W.I.) 



2. A. palustris L. Small tree or shrub: leaf -blades oblong to ovate or oblong- 

 lanceolate, 3-12 cm. long, or rarely larger: outer petals 1.5-2 cm. long: fila- 

 ments 3 mm. long: fruit 5-7 cm. long: seeds 9-12 mm. long. ALLIGATOR- 

 APPLE. 



Everglades about the E. Keys and adj. hammock islands. Also on the F. Keys. 

 (W. I.) 



FAMILY 3. MAGrNOLIACEAE. MAGNOLIA FAMILY. 



Shrubs, trees, or vines. Leaves alternate, sometimes apparently 

 whorled: blades entire, toothed, or lobed. Flowers perfect or monoe- 

 cious. Calyx of 3 petaloid sepals or rarely more. Corolla of 5 imbri- 

 cate petals as large as the sepals or larger, or more. Androecium of many 

 stamens or rarely few. Gynoecium of several or many distinct carpels. 

 Fruit a cone of accrescent carpels which become baccate or follicular. 



Carpels imbricate in several series. 



Erect shrubs or trees : flowers perfect : stamens numerous, distinct : fruit a cone 



of imbricate follicles. 1. MAGNOLIA. 



Twining vines : flowers monoecious : stamens 5, united into a 



disk : fruit a spike of berries. 2. SCHIZANDRA. 



Carpels in a whorl. 3. ILLICIUM. 



