19 
3. P. heteromorpha Fee.; Cope). 1. e. 10). 
(2,012. Borden) October; (0ll>0 Leiherg) July; (‘il 12 Merrill) January; (1037 
Whilford) Decemljer; (2287 Meyer) December. In tliickets l)elow 100 in. 
Celebes. 
4. P. quadriaurita Retz. ; Copel. 1. c. 101. 
• (239 Copeland) February. In forests at 120 in. Tropics generally. 
5. P. longipes Don.; Copel. 1. c. 102. 
(Copeland) .January. In forests at 100 in. British India to New Guinea. 
0. P. kleiniana PresL; Copel. 1. c. 103. 
(240 Copeland) February. In forests 100 to IGO in. British India. 
7. P. excelsa Gaud.; Copel. 1. c. 102. 
(409 Topping) May; (1132 Whitford) March. In river canon at 1,000 in. 
Himalayan region to Hawaii. 
8. P. tripartita Sw.; Copel. 1. c. 103. 
(242 Copeland) February; (1130 WMtford) March; (421 Topping) May. 
River canon up to 1,000 in. Tropical Africa, Asia to Malaya and Polynesia. 
9. P. sp. 
(3755 Merrill) ; (361, 443 Topping) May; (241 Copeland) February; (216 
Whitford) May. In forests 120 to 1,200 in. 
25. PTERIDIUM Gleditsch. 
1. P. aquilinum (Linn.) Kuhn.; Copel. 1. c. 104. 
On ridges in the mossy forest above 1,000 in. (Copeland). Cosmopolitan, 
tropical, and temperate regions, chiefly northern. 
26. HISTIOPTERIS Agardh. 
1. H. incisa (Thumb.) Agardh.; Copel. 1. c. 104. 
(439 Topping) May; (6982 Elmer) November. On exposed ridges in the mossy 
forest above 1,200 m. Tropical Asia, Malaya, etc. 
27. VITTARIA Sin. 
1. V. elongata Sw. ; Copel. 1. c. 107. 
372 Topping) May; (1401 Copeland) August. In forests at 1,600 m. Tropics 
of the eastern Hemisphere. 
2. V. lineata Sw. ; Copel. 1. c. 107. 
(2412 Meyer) January; (1818 Borden) September; (6797, 6966 Elmer) No- 
vember; (362, 368 Toppling) May; (217, 444, 497 Whitford) May, July; (221, 
222 Copeland) January, February; (3742, 3132 Merrill) January, October. In 
forests and on exposed ridges 100 to 1,300 m. Tropics generally. 
28. ANTROPHYUM Kaulf. 
1. A. reticulatum Kaulf.; Copel. 1. c. 109. 
(6654: Elmer) November; (2286 Meyer) December; (388,405,406,437 Topping) 
May; (196 Whitford) May; (210, 211 C'opetowZ) February; (1219 Borden) June; 
(2540 Merrill) June. In forests 150 to 1,000 m. Tropical Asia to Malaya and 
Polynesia. 
29. HYMENOLEPIS Kaulf. 
1. H. spicata (Linn, f.) Presh; Copel. 1. c. 110. 
(6967 Elmer) November; (213, 1402 Copeland) January, August. In forests 
and on exposed ridges above 500 m. Madagascar, tropical Asia, Malaya, and 
Polynesia. 
