1924] PALMER. THE LIGNEOUS FLORA OF RICH MOUNTAIN 123 



ANONACEAE 

 Asimina triloba (L.) Dunal. The Papaw is found occasionally in the 



■ 



valley and more abundantly in the north facing coves of the mountain 



side. 



LAURACEAE 



Sassafras officinale Nees & Eberm. This is an abundant shrub or 

 small tree in the valley, and is even more frequent on the table land at 

 the top of Rich Mountain. 



Benzoin aestivale (L.) Nees. The Spicebush grows as an undershrub 

 in the rich woods of the valley, and extends to the top of the mountain, 

 but it is most abundant in coves on the north slopes. 



SAXIFRAGACEAE 



Hydrangea arborescens L. This shrub is found on cool shaded banks at 

 all levels, but is most abundant along the rocky ravines and in the rich 

 coves on the north side of Rich Mountain. 



Philadelphia pubescens Loisel. This handsome shrub grows only along 

 rocky ravines and benches well up on the north slopes of the mountain, 

 but in such situations it is often abundant. 



Philadelphus pubescens var. intectus (Beadle) Rehd. This variety, 

 distinguished by its glabrous or only slightly pubescent leaves, is found 

 here with the typical form, but is less abundant. 



Ribes Cynosbati L. This prickly-fruited northern Gooseberry is also 

 confined to the higher slopes on the north side of the mountain. It is 

 sometimes found on rocky ledges, but is most frequent on the great rubble 

 heaps or rock slides that form such a curious feature of the mountain side. 



Ribes curvatum Small. This low southern species 

 along ledges near the top of Rich Mountain. 



HAMAMELIDACEAE 

 Hamamelis macrophylla Pursh. This southern Witch 



grow 



This southern Witchhazel grows both 



„ ^ lopes and top of Rich Mountain. In 



protected situations, especially at the lower altitude, it becomes a large 

 shrub, sometimes four or five meters tall and with stems fully a decimeter 

 in diameter. Higher up it often grows in great patches, most of the plants 

 being under half a meter in height. 



Hamamelis vernalis Sarg. The spring blooming species of the Ozarks 

 is found along the rocky banks and bed of Big Creek. 



Liquidambar Styracifiua L. The Sweet Gum is a common forest tree 

 in the valley. It also grows on the north slopes, where it attains a very 



large size. 



PLATANACEAE 



Platanus occidentals L. Only a few specimens of the Sycamore were 

 seen along Big Creek, in the lower part of the valley. 



