JSIINETEENTH ANNUAL MEETING. 



Ill 



Red Cedar 74 



Red Elm 40 



Red Haw 26 



Red Maple 13 



Red Mulberry 44 



Red Oak 61 



Rhamnus Caroliniana 7 



Rhus copallina 15 



Rhus venenata 16 



Robinia Pseudacacia 17 



Salix cordata, var. vestita 72 



Salix discolor 71 



Salix longifolia 70 



Salix nigra 69 



Sapindus marginatus 10 



Sassafras 39 



Sassafras officinale 39 



Savin 74 



Scarlet Haw 26 



Service Berry 29 



Shagbark Hickory 50 



Shellbark Hickory 50 



Shellbark Hickory, big 51 



Shingle Oak 65 



Schittim-wood 30 



Silver Maple 12 



Slippery Elm 40 



Soapberry 10 



Soft Maple 11 



Southern Buckthorn 31 



Spruce Pine 75 



Sugarberry 43 



Sugar Maple 11 



Sumac, Dwarf • . . 15 



Sumac, Poison 16 



Swamp Hickory 54 



Swamp White Oak 59 



Sweet Buckeye • . 9 



Sycamore 46 



Thorn, Black 27 



Thorn, Cockspur 25 



Thorn, White 26 



Tilia Americana 2 



Ulmus alata 42 



Ulmus Americana 41 



Ulmus fulva 40 



Wafer Ash 4 



Wahoo 6, 42 



Walnut, Black 48 



Walnut, White 47 



Water Beech 67 



Water Elm -41 



Water Hickory 55 



Water Oak • .64 



Western Catalpa 38 



White Ash 33 



White Elm 41 



White Maple 12 



White Oak 56 



White Oak, Swamp 59 



White Thorn 26 



White Walnut 47 



Wild Cherry 23 



Wild China 10 



Wild Plum 21 



Wifiow, Black 69 



Willow, Glaucous 71 



Willow, Heart-leaved 72 



Willow, Long-leaved 70 



Winged Elm 42 



Yellow Locust 17 



Yellow Oak 60, 62 



Yellow Pine 75 



Zanthoxylum Americanum 3 



THE SKY.i 



BY EDWARD L. NICHOLS, OP THE UNIVERSITY OF KANSAS. 



Nothing in nature has impressed man more profoundly than the sky. Poet, 

 painter, and philosopher, ancient and modern, each in his own way has striven to 

 express its beauties. The ancient idea of the sky was that of an adamantine dome 

 or vault upon which stars were studded, within which sun, moon, and planets moved. 

 Upon Egyptian, Greek, and Roman, for whom the idea of an atmosphere as we now 

 understand it did not exist, to whom the infinities of space were entirely closed, for 

 whom there was no such thing as aerial perspective, the subtler beauties were lost. 

 Yet from the earliest times the color of the sky drew the attention and admiration 

 of all men, and expressions for it began to find their way into language and literature 

 at a day when the color-sense, as we now know it, was largely undeveloped.^ 



The modern idea supplanted the old when the conception of an atmosphere be- 

 came well established, and when modern astronomy had begun to give proper notions 

 of the enormous distances and true motions of the heavenly orbs. The development 



' Address of the retiring President. Delivered November 28, 1886, at the Emporia meeting of the 

 Kansas Academy of Science. 



= See Gladstone, Nineteenth Century, 1877, p. 367. 



