30 



The specimens collected by Whitford and Borden apparently represent the young 

 form, although indicated by Mr. Clarke as a distinct unpublished species. 



2. H. latifolium L. ('. Rich.; Clarke in Hook. f. Fl. Brit. End. 6 (1894) 578. 



(208!) Harden) November. Exposed ridges in the mossy forest at 1,150 in. 

 Tropical Asia to Malaya, Australia, and Polynesia. 



2. CYPERUS Linn. 



1. C. bancanus Miq. Fl. End. Bat. Suppl. 599. (?). 



(2581 Meyer) February; (291 Copeland) January. In forests at about 200 m. 



2. C. diffusus Vahl.; Clarke 1. c. (103. 



(463, 40.") Topping) ; (6674 Elmer) November; (1921 Borden) September. 

 Forests 100 to 300 in. Tropics generally. 



.'5. C. malaccensis Lam.; Clarke 1. c. 008. 



{Whitford) September. Brackish marshes along the seashore. Tropical Asia, 

 to Malaya, Australia, and Polynesia. T.. Balongot. 



4. C. pilosus Vahl.; Clarke I. c. 009. 



(Whitford ) September. In open wet lands. Tropical Asia, Africa, Malaya, and 

 Polynesia. 



5. C. sp. 



[Whitford) September. In open wet lands. 



3. MARISCUS Vahl. 



1. M. albescens (bind.; Clarke 1. c. 023. 



(130;"> Whitford) June. Brackish swamps near the seashore, widely distributed 

 in the Phiipppines. Tropical Asia, Africa. Malaya, Australia, and Polynesia. 



2. M. cyperinus Vahl.; Clarke 1. c. 021. 



(667."i Elmer) November; (456, 464 Topping); (485 in part, Whitford) June, 

 July. In thickets and open lands below 100 m. Tropical Asia to Malaya and 

 Polynesia. 



3. M. microcephalus Presh; Clarke 1. c. 024. 



(Whitford) September. In wet lands below 100 m. Tropical Asia to Mauri- 

 tius and Malaya. 



4. M. philippensis Stend. Syn. PI. Cyp. 60. 



(3277 Merrill) October. On bluffs along the seashore. Endemic. 



5. M. flabelliformis H. P>. K. Nov. Gen. et. Sp. PI. 1 : 215. 



(405 Whitford) ■June. In open lands below loo m. Tropics generally. 



4. KYLLINGIA Rottb. 



I. K. monocephala Rottb. ; Clarke 1. c. 5SS. 



(457 Topiring) ; (6026 Leibcrg) July; (Whitford) April; (3160 Merrill) Oc- 

 tober. In thickets and open places below 100 m. Tropical and warm regions of 

 the old world. 



5. FIMBRISTYLIS Vahl. 



1. F. diphylla Vahl.; Clarke I. c. 630. 



(6135 Leiberg) July. In forests at 250 m. Tropics generally. 



2. F. ferruginea (Linn.) Vahl.: Clarke I. c. 638. 



( 1304 Whitford) June. Tidal meadows. Tropics generally. 



3. F. miliacea Vahl.; Clarke 1. c. 644. 



(459 Topping). In open wet lands, widely distributed in the Philippines. 

 Tropical and subtropical regions generally. 



