[Vol. 9 



156 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



August, 1881, Study (N. Y. Bot. Gard. Herb.) ; sandy shores 

 at upper end of the Schiuchsee, October, 1861, Schildknecht 

 & Thiry 799 (N. Y. Bot. Gard. Herb.); Titisee, September, 

 1868, Zickendrath (N. Y. Bot. Gard. Herb.). 



Russia: in Livonia, distr. Kiga, "in lacu Bulc-See", 10 September, 



1901, Kvpfjer 14912 (U. S. Nat. Herb.). 



40a. Var. asiatica Makino, Tokyo Bot. Mag. 18: 129. 1904. 



Differs from the type in having a broad velum, covering 2/3 



to 3/4 of the sporangium, in bearing coarser spinules on the 



megaspores, and in the smoothness of the microspores. The 



author suggests that it is lacking in stomata by saying that it 



differs from /. Braunii which has stomata and a spotted spo- 

 rangium. 



Distribution: rare. Lake Nojiri, Prov. Shinano. 

 Description from Makino. 



41. I. Brochoni Motel. & Yendr. Actes Soc. Linn. Bord. 45: 



45. pi. 2. 1893. 



Conn 2-lobed; leaves 8-16, rarely more, 3-6 cm. long, fine, 

 tapering, rosy below, green above, with short, wide membranace- 

 ous margin at base; stomata present but not common; peripheral 

 strands none; ligule very short and broad; sporangium globose, 



mm. long, partially (1/4-1/3) covered by velum; mega- 



2Vo-4 



450-525 u in d 



marked with very echinate, sharply toothed prominences; micro- 

 spores 33-53 |j in length, often nearly as wide. 



Distribution: France. 



Specimens examined: 

 France: Lac de Naguilles (1854 m. alt.), Ariege, Motelay (Mo. 



Bot. Gard. Herb.), type; Lac de Naguilles, August, 1891, 

 Hy (Mo. Bot. Gard. Herb.). 



42. I. Braunii Dur. Bull. Soc. Bot. Fr. 11 : 101. 1864. 



/. echivospora var. Braunii Engelm. in Gray, Manual, ed. 5, 

 676. 1867. 



/. echinospora var. Boottii Engelm. in Gray, Manual, ed. 5, 



676. 1867. 



