Quest 1948 Journal 110 June 11 La Laguna, 6200 ft., Sierra de la Laguna, Baja California. leafed water plants form a veritable mattress. The trip up here from San Juan de la Seradua yesterday was one requiring a considerable amount of exertion and a considerable reserve of preparation. For six hours the four of us and three Mexicans pushed the horses and mules up the steep slopes, the trail tacking back and forth over the canyon faces. Not one piece of ground was encountered between the arroyo bottom and due that was not cocked at an angle, and usually a steep one. The mounts were not in good condition and we all had to take turns at leading them between rides. Only one very small spring was encountered on the trail, that being too very deep in a small hole and muddy. We drank some of the water nevertheless As we ascended the mountains from the arroyo bottom it was noticed that the leafless trees became larger and taller. Several new trees were seen that we had not experienced before, one of which was blooming while characteristically lacking leaves. Several very large wild-fig trees were seen, one of which contained about a dozen white-winged doves which were probably feeding on the ripening fruit. Cardones with blunt white spines were fairly common, and a few of the Organ-pipe cactus were seen. As we ascended