T30 



ORDER 154. ERICAULOXACE.E. 



P. flavidulus Kuntli. Acaulescent, turfy; scapes numerous, filiform, 5-ribbed 

 and furrowed, finely puberulent ; Ivs. linear-setaceous, many times shorter than 

 the seapes; head globular; bracts of the involucre oblong, obtuse, straw-colored, 

 dry; fls. not fringed. Wet, sandy barrens, Va. to Fla. Sts. 6 to 9' high, Ivs. 1 

 to~2'. Heads 3" diam. with a straw-colored in vol. and silvery white periantha 

 Apr. Jn. (Eriocaulon MX.) 



3. LACHNOCAITLON, Kunth. (Gr. Ao^vof, wool, icavkos, .stem.) 

 Flowers and inflorescence as in Eriocaulon ; ^ calyx 3-sepaled ; corolla 

 l) ; stamens 3 ; anthers 1-celled, filament united" below ; $ calyx 3- 

 sepaled ; corolla reduced to a tuft of hairs surrounding the 3-seeded 

 ovary. Habit of Eriocaulon. 



L. Michatixii Kunth. Wet, sandy plains, Va. to Fla. Scapes 1 to 5' high, 

 numerous, 5-ribbed, filiform, clothed with thin, spreading, woolly hairs. Lvs. 

 linear-subulate, about 1' long, tufted. Head very small (L" diam.), globular, 

 greenish-white. Apr., May. (Eriocaulon villosuni MX.) 



FIG. 746-7S4. 1. Cyperus diandrus. 2 Spike- 

 let magrn. 3. A glume. 4. A flower. 5. Tri- 

 ~r,e)optylis autumnalis. 6. Spike let. 7. Ovary 

 with triple style. 8. Flower of T. cnpillaris. 

 9. Ovary of t. stenophylla. 10. Ehynchos- 

 ftlbo. 11. Spikelet. 12. Ovary, setne, etc. 

 3. Girex roses. 14. Glume. 15. Periirynium. 

 16. C. flava. 17. Glume. 18. Perigynium. 



