110 SOAPBERRY FAMILY. 



4. iESCTJLUS, HORSE-CHESTNUT, BUCKEYE. (Ancient name 

 of an Oak or other mast-bearing tree, applied to these trees on account 

 of their large, chestnut-like, but unedible or even poisonous, seeds.) 

 (Lessons, Figs. 38, 39, 159, 170.) 



* Petals 5, shorter than stamens; fruit prickly. 



/E. Hippoc&stanum, Linn. Common H. Tall fine tree, with mostly 

 7 leaflets, and large flowers of 5 petals, white, with yellow spots becoming 

 crimson ; stamens 7, at first declined. There are double, variegated, and 

 out-leaved forms. ^ # pmls 4> ghorter than tU gfemg _ 



h- Petals broad, spreading on slender claws. 



/E. rubicunda, Lois. Red H. Compact, round-headed tree, flower- 

 ing even as a shrub ; leaves rather bright green, of 5-7 leaflets ; petals 

 rose-red ; stamens mostly 8. Origin unknown ; thought to be a hybrid. 



/E. turbinata, Blume. Chinese H. A tree, 30° high ; leaflets 5-7 

 obovate-cuneate ; panicle a span long, pubescent ; flowers whitish; calyx 

 5-lobed ; petals repand-toothed, ciliate ; stamens 6 or 7 ; ovary densely 

 reddish, pubescent. 



/E. Califdrnica, Nutt. Californian H. Low tree ; leaflets usually 5, 

 small, oblong-lanceolate, slender-stalked; small, white or rosy-tinged 

 flowers densely crowded in a long pubescent thyrse ; calyx 2-lobed ; 

 stamens 5-7, slender ; ovary hoary, pubescent. Cal. 



■i- -i- Petals erect, and rather narrow, on slender claws.' 



iE. parvifldra, Walt. Small Buckeye. Shrub 3°-9° high ; leaflets 

 5-7, soft downy underneath ; panicle slender, raceme-like, l°long; stamens 

 twice as long as the narrow white petals ; flowering N. as late as midsum- 

 mer ; fruit smooth ; seeds small, almost edible. Wild in the upper 

 country S., and planted N. 



.23. glabra, Willd. Fetid or Ohio Buckeye. Tall tree ; leaflets 5, 

 nearly smooth ; panicle short ; stamens moderately longer than the some- 

 what uniform, pale yellow petals ; fruit prickly roughened like that of 

 Horse-chestnut. W. of the Alleghanies. 



* * * Petals 4, longer than the stamens. 



2E. (lava, Ait. Yellow or Sweet Buckeye. Tree or shrub ; leaflets 

 5-7, smooth or smoothish ; panicle, short, dense ; calyx oblong ; petals 

 connivent, light yellow, these of two dissimilar pairs, the longer pair with 

 very small blade ; fruit smooth. W. and S. 



Var. purpurascens, Gray. Purplish B. Has both calyx and corolla 

 tinged with purple or reddish, and leaflets generally downy underneath. 

 W. Va., S. and W. 



JE. Pavia, Linn. Red Buckeye. Shrub or low tree, like the last, 

 but leaves generally smooth ; the longer and tubular calyx and the petals 

 bright red ; the several forms showy in cultivation. S. and W. 



5. ACER, MAPLE. (The classical Latin name from Celtic, hard.) 

 (Lessons, Figs. 11-25, 79, 81, 82, 182, 391.) 



* Flower clusters terminating a shoot of the season, appearing after the 



leaves. 



*- Leaves undivided or S-5-lobed, with as many palmate ribs. 



■h. Flower clusters erect, rarely drooping. 



A. Tart&ricum, Linn. Tartarian M. A small tree or shrub ; young 

 branches tomentose ; leaves ovate or oblong, mostly undivided, incised ser- 



