FAM. B8, 89. 65 



Snrub witn prickles or bristles, the flowering branches erect; 

 leaves 3-5 foliate, leaflets thickish; flowers large, usually soli- 

 tary, white; fruit oblong, black. Sandy soil and planted. Spring. 



R. trivialis, Southern Dewberry 



88. Calycanthaceae, Strawberry Shrub Family. 



Aromatic shrubs with opposite exstipulate leaves, us- 

 lally entire; flowers terminal, purplish or yellow, fragrant; 

 epals and petals numerous and alike, in many series in- 

 serted on the edge of the receptacle; stamens numerous 

 inserted on the receptacle, the outer 5-12 fertile, the inner 

 reduced to staminodia; anthers adnate, extrorse; carpels 

 many. 1-seeded, distinct, included in the fleshy recept- 

 acle; fruit a capsule including few or many achenes. 



Butneria florida Calycanthus floridus). Sweet-scented Shrub. Twigs and 

 leaves pubescent, flowers short-peduncled. dull purple, fragrant. Cultivated. Late 

 Spring. 



89. Malaceae, Pomaceae), Apple Family. 



Trees and shrubs with alternate, pinnate or pinnately- 

 veined leaves and small deciduous stipules; flowers reg- 

 ular, solitary or in racemes or cymes; calyx 5-parted, ad- 

 nate to the ovary; petals 5; stamens mostly numerous, 

 distinct; carpels 1-5 wholly or partly united; ovary 1-5 

 celled with ovules 1-2 in each cell; styles 1-5; fruit a pome, 

 consisting of the thickened calyx-tube enclosing the bony, 

 membranous or leathery carpels. 



1. Carpels membranous or leathery at maturity; trees. 



Styles 5, distinct; — tree with white flowers in terminal simple cymes; 

 fruit with grit-cells. LeConte, Sandpear and Kdfer are 

 cultivated. .... . - - Pyrus, Pear 



mostly united at the base; — tree with pinkish flowers, 

 in terminal simple cymes; fruit without grit-cells. - - Malus, Apple 

 1. Carpels bony at maturity. 1-seeded. or if 2-seeded dissimilar; — shrubs 

 or small trees, mostly with spines or thorns; white or pink flowers 

 in terminal cymes or corymbs; stamens 5-25 in 1-3 series, with 

 colored anthers; styles 1-5 distinct. Spring or early Summer. 



Crataegus, Hawthorn 

 a. Corymbs compound, many-flowered; — leaves ovate-lanceolate. 

 elliptic or obovate, contracted or on the shoots rounded at the 

 base; twigs very spiny; mature fruit red to orang-red, 5-8 mm. 

 Riverbanks. - - - - - - - - C. paludosa 



a. Corymbs simple. 2-5 flowered, or flowers solitary. - b 



b. Leaves oval to nearly orbicular, on the shoots ovate, with ab- 

 ruptly contracted bases; anthers purple; mature fruit red. vlJ 



mm. Riverbanks. - - - - - - - C maleoides 



