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20. Ficus formosana, Maxim.-On the banks of streams at Maipo and Fanling. Known from Hongkong, the Lienchow River, Hoifung, Formosa and Szechuen.
30. Boehmeria platyphylla, D. Don.-On Mount Gough north in a shady ravine. Collected in various localities in Kwangtung and other provinces of China, in Formosa and India.
31. Eria rosea, Lindl.--On rocks at the top of the waterfall, Tai Kau Tang. Only previously collected in Hongkong and Hainan.
32. Pachystoma chinense, Reichb.-On the banks of paddy fields near Fanling. Recorded from Hongkong, Macao and Formosa.
33. Alpinia calcarata, Rosc.-In a hedge near Maipo. Known from Hongkong, Hainan, India and Malaya.
34. Alpinia stachyodes, Hance.--On the hillside at Konghau and in the forest reserve at Tai Kau Tang. Not previously found out of the island of Hongkong.
35. Dioscorea daemona, Roxb.-At Homuntin. Recorded from Formosa, Hainan, and from India and New Guinea.
36. Lophotocarpus guyanensis, Durand and Schinz.-At Fanling and Maipo. Known from Hongkong and tropical Asia, Africa, Madagascar and America.
37. Sagittaria sagittifolia, L.-At Maipo in paddy fields. Collected in Hongkong and widely dispersed in Europe and temperate Asia.
38. Lipocarpha microcephala, Kunth.-In damp ground at Fanling. Known from Hongkong, Japan, Singapore, Queensland and elsewhere.
39. Marsilea quadrifoliata, L.-In paddy fields near Maipo. The previous records for Kwangtung are Canton, the West River and Chaochaufu. Spreads from Central Europe to Japan and the north of India.