[Vol. 9 

 210 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



March, 1869, Gandoger (Mo. Bot. Gard. Herb.); wet grass- 

 lands at edge of water, at "Griggione," near Bastia, 25 April, 

 1869, Fl. Exsicc. Billot 2290 (Mo. Bot. Gard. Herb.) ; Erisa, 

 March, 1885, Reverchon (Mo. Bot. Gard. Herb.). 



France: Plateau de Roquehaute (Herault), 3-5 June, 1862, 

 Durieu (Gray Herb.); Roquehaute near Beziers (Herault), 

 3 June, 1862, Cosson (Mo. Bot. Gard. Herb, and Gray 

 Herb.) ; Roquehaute near Beziers, 5 May, 1866, Herb. Grand 

 Marais (Mo. Bot. Gard. Herb.); Portiragnes (Herault), 30 

 March, 1890, Neyraut (Mo. Bot. Gard. Herb.); Herault, 

 1870 (?), Durieu (Gray Herb.) ; sandy clearings of pine be- 

 tween Cannes and Antibes, 1861, Bourgeau, PI. Alpes mari- 

 times, (Gay) 361 (Gray Herb.) ; near Cannes, 13 June, 1861, 

 Bourgeau 2 (Gray Herb.) ; "bois de la Moure pres Mont- 

 pellier", 8 May, 1870, Duval-Jouve (Gray Herb.); Antibes, 

 November, 1863, Kay (Gray Herb.) ; wet sandy stretches 

 under the pines, Golfe Jouan, near Antibes, Shuttleworth 

 (Gray Herb.). 



Italy: Asciano, Prov. Pisa, Tuscany, alt. 12 m., calcareous soil, 

 14 April, 1906, Barsali 4.01 (Gray Herb.); province Pisa, 

 April, 1862, Ball (Gray Herb.). 



Turkey: Rizeh, Lazistan, arid land at base of Falaises, 10 June, 

 1866, Balansa 1560 (Gray Herb.). 



Sardinia: St. Barbara near Cagliari, 19 May, 1863, Ascherson & 



Reinhardt (Gray Herb.). 



LITTLE-KNOWN FORMS 



63. I. natalensis Baker, Handbook Fern Allies, 132. 1887. 

 Sim, Ferns S. Afr. 340. 1915. 



"Rootstock 3-lobed; leaves 12-16, very slender (14 lin. diam.), 

 pale green, opaque, firm in texture, 2-3 inches long, rounded on 

 the back, channeled down the face, furnished with stomata and 

 accessory bast-bundles. Sporange small, globose, brownish; 

 veil none. Macrospores white, with small tubercles between 

 the ribs and large ones over the remainder of the surface. Micro- 

 spores granulated." 



Distribution: "Natal; Griffin's Hill, Eastcourt, Rehmann. 

 7296." 



