[Vol. 9 

 116 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



11. I. Boryana Dur. Bull. Soc. Bot. Fr. 8: 164. 1861; Milde, 

 Fil. Eur. 284. 1867; Baker, Fern Allies, 130. 1887, and Jour. 

 Bot. 18: 107. 1886; Motel. & Vendr. Actes Soc. Linn. Bord. 

 36: 353. pi. 10. fig. 1-10. 1883. 



Calamaria Boryana Kuntze, Rev. Gen. PI. 2 : 828. 1891-93. 



Corm 3-lobed; leaves (10) 15-30, 12-20 cm. long, loosely ar- 

 ranged at base, rather coarse, tapering gradually to apex, with 

 wide membranaceous margin suddenly narrowed a few millime- 

 ters above sporangium level; stomata numerous; peripheral 

 strands 6, frequently with accessory strands; ligule deltoid; spo- 

 rangia subglobose to oblong, 3-8 mm. long, sometimes with brown 

 spots; velum complete or nearly so; megaspores white when 

 dry, dark when wet, 400-640 p in diameter, marked with few 

 large and scattered smaller warts, sometimes confluent on the 

 basal face to produce very short, irregularly lobed, rounded ele- 

 vations ; microspores reddish-brown, 26-33 n long, spinulose. 



Distribution: France, Landes. 



Specimens examined: 



France: "Etang de Cazau," Landes, 7 September, 1863, Durieu 

 (Mo. Bot. Gard. Herb, and U. S. Nat. Herb.), TYPE; 

 "Etang de St. Julien," Borne, Landes, 31 July, 1863, Durieu 

 (Mo. Bot. Gard. Herb.) ; "Etang de Cazau/' near Bordeaux, 

 September, 1860, Durieu (Mo. Bot. Gard. Herb., Gray Herb., 

 and N. Y. Bot. Gard. Herb.) ; Etang de Cazau, near San- 

 guinet, 3 September, 1860, and 14 July, 1861, Schultz 

 (Durieu) 778 (N. Y. Bot. Gard. Herb., Mo. Bot. Gard. 

 Herb., and U. S. Nat. Herb.) ; in field, Etang de Cazau, 4 

 September, 1861, Gay (Gray Herb.) ; Sanguinet, 5 July, 

 1863, Durieu (Mo. Bot. Gard. Herb.); Sanguinet, 19 July, 

 1863, Durieu (Gray Herb.) ; Etang de Sanguinet, near Cazau, 

 July, 1868, Durieu (N. Y. Bot. Gard. Herb.) ; Sanguinet 

 (Landes), 23 July, 1900, Neyraut (Mo. Bot. Gard. Herb, and 

 Univ. Minn. Herb.); Etang d'Aurelion (Landes), June, 

 1861, Foucault, (Mo. Bot. Gard. Herb.) ; Etang de Cazau, 17 

 August, 1890, Neyraut (Mo. Bot. Gard. Herb.); near Seig- 

 nosse (Landes), 2 August, 1891, Neyraut (Mo. Bot. Gard. 

 Herb.) ; Parentis (Landes), 9 July, 1893, Neyraut (Mo. Bot. 

 Gard. Herb.) ; Sanguinet, 2 v September, 1860, Motelay 

 1903 (U. S. Nat. Herb.) ; "mixed with Durieu's lacustris, 



