92 MR. C. B. CLARKE ON THE 
3i: CLADIUM UNDULATUM, Thwaites; Hook. f. Fl. Brit. Ind. vi. 674. 
4. Ceylon, Rottler, Walker, Macrae, 1059; South Ceylon, 
Thwaites, 3226. 
11. Pahang, Ridley, 2. 
Distrib. Sumatra. Borneo. North Australia. 
4. CLADIUM RIPARIUM, Benth. : 
Var. crassa, C. B. Clarke in Hook. f. 1. c. vi. 675. 
4. Ambagamowa District, Thwaites, 845. 
6. Bengal: Soondreebun (Lower Burisal), C. B. Clarke, 16926. 
8. Shillong (Station), alt. 5000 feet (in the lakes), C. B. Clarke, 
16926. 
Distrib. Endemic in India. (The typical C. riparium grows 
in South-west Australia.) 
9. CLADIUM GLOMERATUM, R. Br.; Hook. f. l. c. vi. 675. 
11. Singapore, Ridley. 
Distrib. Hongkong. Nagasaki. Australia. New Zealand. 
1. Microscuanus DUTHIEL, C. B. Clarke in Hook. f. l c. vi. 
675. 
1. Gurhwal, Tihri, alt. 15,500 feet, Duthie, 132. 
Distrib. Endemic. (Only once collected.) 
1. LEPIDOSPERMA CHINENSE, Nees; Hook. f. l. c. vi. 676. 
11. Mt. Ophir (near Malacca), Griffith, Kew n. 6115, Ridley, 
3127. 
Distrib. China. 
l. GAHNIA TRISTIS, Nees in Linnea, ix. [1834] 901, d in Hook. 
e£ Arn. Beechey Voy. p. 228. 
11. Singapore, Kurz, Murton, Hullett, 54, Wichura, 698, 
Ridley, 1723 a. 
Distrib. China. Borneo. 
2. GAHNIA JAVANICA, Moritzi : 
Var. PENANGENSIS, C. B. Clarke in Hook. f. l.c. vi. 677. 
11. Penang, 2500 feet, hb. King, 1750. Perak, 7000 feet, 
Wray, 887. Malacca, Punnus, 2500 feet, Griffith, Kew 
n. 6305; Mt. Ophir, 2000 feet, Ridley, 3142. 
Distrib. Endemic. (The type G. javanica extends from 
Sumatra to the Philippines, Viti and New Caledonia.) 
