The principal industry of the place is white wax: special ash trees grow here on which the insects live, but every year the insects necessary to produce the wax have to be brought from the neighbouring province of Szechwan. “When they reach the right stage of development they are put in paper boxes, in bamboo trays, and carried by the swiftest runners. These men only travel by night, as it is essential that the process of development should not proceed too rapidly. The boxes have to be opened every day and ventilated, and the men secure the best rooms in the inns, so that other travellers have to suffer if they are on the road at the same time” (_Face of China_, p. 183). There were also large numbers of paulownia trees, with their lilac flowers in full bloom: they produce a vegetable oil used for cooking and for furniture. All this district is noted for its trees, and much wood is brought down by a tributary river from the Panghai district, where it is cut down by the Black Miao tribe. The next town where we halted was particularly attractive, surrounded by red sandstone walls and grey stone battlements. We made a complete tour on the top of the city wall, but the houses are so high that you cannot see into any of the courtyards. At one point there was a fine, picturesque group of trees overhanging the wall, otherwise the houses were built very close together, like a rabbit warren. On the battlements were a number of most comical little guns, some carefully protected from the weather by shrines built over them. They looked as if they might have come out of the ark, but were only about seventy years old, some being dated. In the market we bought wild raspberries, which had quite a good flavour when cooked, but they were rather tart, as they were not fully ripe. We found wild strawberries by the wayside, but were told that some varieties are poisonous, and those we ate were quite tasteless.