The induction, development, and heritability of fasciations . THIS BOOK IS DUE ON THE DATEINDICATED BELOW AND IS SUB-JECT TO AN OVERDUE FINE ASPOSTED AT THE CIRCULATIONDESK. WASHINGTOli Published the Carnegie Ins! I 908. I f^t H. Hilt ft.^ iooM/5-79 o O V. — CARNEGIE INSTITUTION OF WASHINGTONPublication No. 98 THE CORNMAN PRINTIXG ^ISLE, PA. The Topography of the Chlorophyll Apparatusin Desert Plants. BY WILLIAM AUSTIN CANNON. Cannon \ f. A —KRAMERIA CANESCENS. Branch from a plant which is growing on the slopeat the northern base of the Tumamoc Hill. This is a plant with the decidu
The induction, development, and heritability of fasciations . THIS BOOK IS DUE ON THE DATEINDICATED BELOW AND IS SUB-JECT TO AN OVERDUE FINE ASPOSTED AT THE CIRCULATIONDESK. WASHINGTOli Published the Carnegie Ins! I 908. I f^t H. Hilt ft.^ iooM/5-79 o O V. — CARNEGIE INSTITUTION OF WASHINGTONPublication No. 98 THE CORNMAN PRINTIXG ^ISLE, PA. The Topography of the Chlorophyll Apparatusin Desert Plants. BY WILLIAM AUSTIN CANNON. Cannon \ f. A —KRAMERIA CANESCENS. Branch from a plant which is growing on the slopeat the northern base of the Tumamoc Hill. This is a plant with the deciduoushabit. April 25, 1907. TRIDENTATA. Branch in fruit of a plant which is growing near thelaboratory building. This is an evergreen. April 25, 1907. THE TOPOGRAPHY OF THE CHLOROPYHLL APPARATUSIN DESERT PLANTS. ENVIRONMENTAL CONDITIONS IN RELATION TO STRUCTURE. The plants which come under observation in this paper are fairly repre-sentative of the perennials of the Tucson region (2000 to 3000 feet), withan average rainfall of 12 inches, and occur in a comparatively wide rangeof habitats. These include the bottom-lands of the Santa Cruz River whichare bordering upon the Laboratorv domain; low desert mountains, TumamocHill (a portion of the Laboratory domain); the lower slopes and washes ofTumamoc Hill; dry, low ridges, the so-called aerial mountain-deltas, whichlead eastward from the main range of the Tucson Mountains; the broadaninductiondevelop00knox
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