RAM. 85, 86, 87. 63 



5; ovary superior or nearly so; styles 2, united; fruit an 

 elongated capsule. 



Itea Virginica, a shrub with pubescent leaves and twigs, and often drooping 

 racemes. In or near swamps. Early Summer. 



85. Altingiaceae, Sweet Gum Family. 



Shrubs or trees with alternate simple leaves; perianth 

 of 1 or 2 scries, or wanting; stamens twice as many as the 

 petals and half of them sterile, or numerous and the petals 

 wanting; filaments distinct and anthers introrse; ovary 

 of 2 partially united carpels; styles 2, distinct; fruit a cap- 

 sule. 



Perianth wanting; — a tall tree with palmately-lobed, long-petioled leaves 

 and caducous stipules; flowers monoecious; the staminate heads 

 in terminal racemes, sessile; the pistillate heads solitary on long 

 axillary peduncles; capsules with the horn-like styles united 

 into a head; seeds 1 or 2, winged. In low woods or planted. 

 Spring. - Liquidamber styraciflua, Sweet Gum, Bilsted 



86. Platanaceae, Plane-tree Family. 



Large trees with alternate, palmately-lobed leaves 

 and thin sheathing stipules; flowers monoecious in dense 

 peduncled heads, solitary or collected into spikes or racemes; 

 staminate heads red, calyx and corolla of 3-6 scales, stamens 

 3-6, anthers elongated with long connectives; pistillate 

 heads green, calyx and corolla 3-6, usually 4; carpels as many 

 as sepals, 1-celled, hairy; style awl-shaped, ovules 1-2; 

 fruit an achene, surrounded by rigid hairs and crowded 

 in dense globose heads. 



Platanus occidentalis, Plane-tree, Button-ball (wrongly called Sycamore). 

 Bark thin, white; leaves round-cordate, angularly lobed and toothed, woolly-pubes- 

 cent when young, but soon smooth; heads solitary, pendulous. River-banks and 

 .nted. Spring. 



87. Rosaceae, Rose Family. 

 Herbs, shrubs, vines or trees, mostly with alternate, 

 stipulate leaves, and perfect flowers; calyx usually of 5 

 more or less united sepals accompanied by bracts; cor- 

 olla of the same number of distinct petals, inserted with 

 the stamens on the calyx-tube; corolla rarely wanting; 

 stamens in one or more series, filaments distinct; carpels 

 1-many on a depressed or elongated receptacle; ovules 

 1. 2, or several in each cavity; fruit various. 



1. Ovaries superior, fruit not enclosed in the receptacle, - - - - - 2 

 1 Ovanes inferior, fruit enclosed in the fleshy receptacle; — prickly 



