The Cactaceae : descriptions and illustrations of plants of the cactus family . is species was described, was printed at least twice the same year and aboutthe same date, once as a Senate Document (Executive Document No. 7) and once as a House Document (ExecutiveDocument No. 41). In the former Cereus giganteus occurs on page 159 and in the latter on page 158. There hasbeen considerable speculation and much difference of opinion as to which edition was published first, but we haverecently come into possession of Emorys personal copy of the Senate Document No. 7 marked with manuscriptcorrections


The Cactaceae : descriptions and illustrations of plants of the cactus family . is species was described, was printed at least twice the same year and aboutthe same date, once as a Senate Document (Executive Document No. 7) and once as a House Document (ExecutiveDocument No. 41). In the former Cereus giganteus occurs on page 159 and in the latter on page 158. There hasbeen considerable speculation and much difference of opinion as to which edition was published first, but we haverecently come into possession of Emorys personal copy of the Senate Document No. 7 marked with manuscriptcorrections by the author. From this copy the type of the other edition was set up. CARNEGIEA. 165 This is sometimes called pitahaya, but it is more generally known in the Southwest bythe Indian name of sahuaro or saguaro.* The ripe fruit is much used by the Indians. While the fruit of this cactus sometimes bears short spines, we have not observedspines in the areoles of the ovary, and presume that they develop during the growth of theberry, as they are known to do in some other Fig. 234.—Carnegiea gigantea. Papago Saguaro, one of the United States National Monuments, is named for thisplant. This monument, consisting of over 2,000 acres of desert land, is situated about 9miles east of Phoenix, Arizona, where there is a wonderful display of Carnegiea giganteaon the rocky hillsides. The sahuaro is the State flower of Arizona. Dr. Forrest Shreve has contributed the following account of the sahuaro: The geographical range of the sahuaro extends from the headwaters of the Yaqui River insouthern Sonora, northward to the southern edge of the Colorado Plateau. In Sonora it is rarely *The following are some of the other published spellings of this name: suaharo, suguaro, suwarrow, suwarro,and zuwarrow. I66 THE CACTACEAE. found more than 150 miles inland from the coast of the Gulf of California, and in southern Arizonaits range follows approximately the contour of 3,500 feet on the east a


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Keywords: ., bookauthorbrittonn, bookcentury1900, bookdecade1910, bookyear1919