9^ AMERICAN MIDLAND NATURALIST 



coast of Vancouver island. Postelsia, Year Book Minn. 

 Seaside Station 1906: 277-304. 1906. 



4. Rigg, G. B. Ecological and economic notes on Puget 

 Sound kelps. Senate Document No 190: 179-193. 1912. 



5. Setchell, W. A. and Gardner, N. L. Algae of northwestern 



America. Univ. Cal. Pub. Bot. I. 165-418. 1903. 



6. Setchell, W. A. Kelps of the United States and Alaska. 



Senate Document No. 190: 130-178. 191 2. 



7. Teodoresco, M. E. C. Influence de I'acide carbonique sur 

 la forme et la structure des plantes. Rev. Gen. de. Bot. 

 11: 445-470. 1899. 



8. Skinner, S. A. Observations on the tide pool vegetation 

 of Port Renfrevi^. Minn. Bot. Studies 3rd ser. Pt. II. 



145-155- 1903- 



9. Wylie, R. B. The Flora of Iowa rock. Proc. Acad. Sci. 



16: 99-101. 1910. 



10. Yendo, K. Corallinae verae of Port Renfrew. Minn. 

 Bot. Studies 2nd ser. Pt. 6. 1902. 



Notes on Our Local Plants. IV. 



BY J. A. NIEUWLAND. 



Order 11. XYRIDALES. 



Britten, Man. 2nd. ed. p. 234. (1906.) 



Family 24. XYRIDEAE Salisb. Trans. Hort. Soc. i, p. 326, 

 (1812). H. B. K. Nov. Gen. I., p. 203, (1815). Dum. An. Fam., 

 p. 55, (1929), Agardh, Aphor. Bartling Ord. Nat., p. 23 and 27, 

 (1830), also Spach, Hist. Nat., p. 131, (1846). Desv. Ann. Sc. 

 Nat. V. 13, p. 149, (1836). Xyridaceae Lindley Nat. Syst. ed. 2, 

 p. 388, (1836). 



KOTSJILLETTIA Adans. Fam. des Plantes, 2, p. 60, (1763) 

 ex Rheede. Hort. Mai. 9, t. 7, p. 139. 



Xyris Gronovius. Fl. Virg. p. 11, (1739), also Fl. Zeylan. 

 p. 35. Linnaeus, Gen. PI. p. 11, (1737)', p. 24, (1742). Sp. PI. 



' Referred by Linnaeus to Gronovius here, and hence credited aliove 

 to that author, even though first found used by the former. 



