19 



3. P. heteromorpha Fee.; Copel. 1. c. 101. 



(2072 Borden) October; (6150 Leiberg) July; (3772 Merrill) January; (1037 

 Whit ford) December; (2287 Meyer) December. In thickets below 100 m. 

 Celebes. 



4. P. quadriaurita Retz.'; Copel. I. c. 101. 



(239 Copeland) February. In forests at 120 m. Tropics generally. 



5. P. longipes Don.; Copel. 1. c. 102. 



(Copeland) January. In forests at 100 m. British India to New Guinea. 



6. P. kleiniana Preal.; Copel. 1. c. 103. 



(240 Copeland) February. In forests 100 to 1G0 m. British India. 



7. P. excelsa Gaud.; Copel. 1. c. 102. 



(409 Topping) May; (1132 WMtford) March. In river canon at 1,000 m. 

 Himalayan region to Hawaii. 



B. P. tripartita Sw.; Copel. 1. c. 103. 



(242 Copeland) February; (1130 WMtford) March; (421 Topping) May. 

 River canon up to 1,000 m. Tropical Africa, Asia to Malava and Polynesia. 



9. P. sp. 



(3755 Merrill); (361, 443 Topping) May; (241 Copeland) February; (210 

 WMtford) May. In forests 120 to 1,200 m. 



25. PTERIDIUM Gleditsch. 



1. P. aquilinum (Linn.) Kuhn.; Copel. 1. c. 104. 



On ridges in the mossy forest above 1,000 m. (Copeland). Cosmopolitan, 

 tropical, and temperate regions, chiefly northern. 



26. HISTIOPTERIS Agardh. 



1. H. incisa (Thumb.) Agardh.; Copel. I. 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 in. 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 Topping) May; (217, 444, 497 WMtford) 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. 



(6G54 Elmer) November; (2286 Meyer) December; (388, 405, 406, 437 Topping) 

 May; ( 196 WMtford) May; (210, 211 Copeland) 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.) Presl.; Copel. I. 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. 



