318 BOTANICAL GAZETTE. [| December. 
heavy cuticle of epidermis in two sections as seen by b’ and 0”; ¢, epider- 
mis cell; d, cells of phellogen layer; e, chlorophyli-holding cells; f, col- 
iagram of young stem of FE. alatus, with only two wings 
started: a, epidermis and outer cylinder ; 5, palisade cells; c, inner cyl- 
inder; e, young cells of phloem and cambium layer; f, wood cells; g, pith; 
2, wing broken off. 
Fic. 28, Sketch of cross section at early stage, showing how much 
is gained in circumference by the wing formation. Only two started and 
not far developed: a, epidermis; b, debris around the opening of the 
stoma; ¢, space with no epidermis where wing belongs; d, wood; ¢, pith. 
Fic. 29. Same as 25, but represents the wing well started: «, wing; 
y, phellogen cells; a, epidermis and outer cylinder; 6, palisade cells; ¢, 
Tere. iby et d, cuticle and debris, 
second year’s growth. 
IG. 3 
: ° Cross-section of two-year-old stem: 2, first year’s growth of 
wing; y, second year’s; a, little Wing of second year. 
A tramp in the North Carolina mountains. II. 
* 
L. N. JOHNSON. 
One of the first plants to catch the eye of a stranger in 
the mountains is the Rhododendron. Before we reached 
Asheville we began to notice its dark glossy leaves and 
beautiful pink clusters, brightening the woods along the 
track, and as we got further west it became abundant. 
All through the mountains we found the common R, maxi- 
n Cashier’s valley they find the purple-flowered R. Ca- 
tawbiense, but not a single flower could we find still hanging 
to its branch. 
_ Another, and the most interesting and remarkable mem- 
ber of the genus, is the R. Vaseyi. This, too, grows u 
Cashier’s valley, over toward Chimne. Top. e saw it 
growing with most of its interesting neighbors in the exten- 
