9. E. Brownianum. 



10. E. LUZULAEFOLIUM. 



11. E. TRUNCATUM. 



12. E. TRIMENI. 



2 EriOCaulonecB . \Eriocanlon r 



Pet. of male fl. not exceeding the 

 bracteoles. 

 Seeds with (usually papillose) ridges. 

 Pet. of fern. fl. filiform, bearing a pencil 

 of long hairs. 

 Scapes 6-1 8 in., heads \~\ in. . . 7. E. sexangulare. 

 Scapes 2-6 in., heads \-\ in. . . 8. E. Thwaitesii. 

 Pet. of fem. fl. flat, ciliate. 

 Recept. villous, with long hairs. 

 Stout, perennial 

 Annual .... 



Recept. glabrous, or nearly so. 

 Heads j-£ in. diam. 

 Heads yj-g in. diam. . 

 Seeds not ridged. 



Recept. villous with long hairs. 

 Male pet. all very small. 

 L. 6-14 in., scapes 6-12 in. . . 13. E. Wightianum. 

 L. 1-4 in. 



Scapes 6-8 in 14. E. Walkeri. 



Scapes 1-4 in 15. E. quinquangulare, 



Male pet. well developed, one largest 16. E. collinum. 

 Recept. glabrous, or nearly so. 

 Annual, terrestrial, 1. 1-2 in. . . 17. E. Sieboldianum. 

 Perennial, aquatic, 1. 8-10 in. . . 18. E. fluviatile. 



1. E. setaceum, L. Sp. PL 87 (1753). Penda, S. 



Herm. Mus. 8. Burm. Thes. 109. Fl. Zeyl. n. 50. Moon, Cat. 9. 

 Thw. Enum. 341. C. P. 791 (in part). 



Fl. B. Ind. vi. 572. Rheede, Hort. Mai. xii. t. 68. 



A submerged aquatic ; stem 2-3 ft., stout or slender, simple 

 or rarely branched, flexuous, densely crinite throughout with 

 capillary flexuous i-veined 1. i|-2 in. long, tips of stem or of 

 branches floating ; scapes very many, 1J-3 in. long, slender, 

 5-ribbed, sheath f-i in., tip truncate, membranous; heads about 

 ^ in. diam., nearly black ; bracts short, cuneate-obovate, coria- 

 ceous, glabrous ; recept. hemispheric, villous ; bracteoles cunei- 

 form or cymbiform, acuminate, glabrous; male fl. : — sep. 3, 

 linear-oblong, obtuse, concave, glabrous, cor. -lobes minute, 

 stam. 6 ; fem. fl. very shortly stipitate, sep. 3, cymbiform, 

 acute, glabrous or nearly so, cor. shortly stipitate, pet. 3, very 

 narrowly spathulate, ciliate towards the tips, with or without 

 a black spot ; seeds T V in. long, oblong, quite smooth, dark 

 brown. 



In rather deep water, in the moist low country below 1000 ft.; rare, 

 Fl. Dec-March. 



Also in Malabar. 



2. £. Capillus-naiadis, Hook. f. Fl. Brit. Ltd. vi. 572 (1893). 

 C. P. 791 (in part). 



Habit and foliage of E. setaceum; heads globose, \ in. diam.; 

 white, bracts short, cuneate-obovate, thinly coriaceous, pale ; 



