XX] BIBLIOGRAPHY 125 



II. Sporangia united into synangia. 



(5) Ptychocarpiis — a fossil. 



(6) J/rt:mm'« (Swartz, 1788) ... ... ... 28 species. 



(7) Protonmrattia {W^-yditdi, 1919) i species. 



(8) Z>«;mm (Smith, 1793) 26 species. 



III. SORI SUB-DIVIDED. 



(9) Cliristensenia (Maxon, 1905) \^ Kaidfussia 



(Blume, 1828)] 26 species. 



BIBLIOGRAPHY FOR CHAPTER XX 



380. Engler & Prantl. Natiirl. Pflanzenfam. i, 4, p. 422, etc. Here the literature is 

 fully cited. 



381. Zeiller. Bassin Houiller d'Autun et d'Epinac. Fasc. ii, Part i. 



382. Strasburger. Scolecopteris elegans. Zenk. Jenaisch. Zeitsch. 1874, p. 87. 



383. Bower. Studies III. Phil. Trans. Vol. clxxxix, p. 35. 1897. 



384. POTONIE. Lehrbuch d. Pflanzenpalaeontologie. 1899. 



385. Christ & Giesenhagen. Archangiopteris. Flora. V'ol. Ixxxvi, p. 72. 1899. 



386. Rudolph. Psaronien und Marattiaceen. Wien. 1905. 



387. Gwynne-Vaughan. Archangiopteris Henryi. Ann. of Bot. xix, p. 259. 1905. 



388. Bower. Origin of a Land Flora. Chapter xxxiii. 1908. 



389. Seward. Fossil Plants. Vol. ii, Chapter xxii. 1910. Here the literature on the 

 fossils is fully cited. 



390. Campbell. Eusporangiate Ferns. Washington. 191 1. 



391. Charles. 'si'^ox&Xmg oi Marattia alata. Bot. Gaz. Vol. Ii, p. 81. 191 1. 



392. P. Bertrand. Progressus Rei Bot. Band iv, p. 281. 1912. 



393. VAN Leewin. Veg. Vermehrung v. Angiopteris. Buit. Ann. 2, Ser. x, p. 202. 1912. 



394. Campbell. Macroglossiim aiidae. Ann. of Bot. xxviii, p. 651. 19 14. 



395. West. Secretory tissue in the Marattiaceae. Ann. of Bot. p. 409. 191 5. 



396. West. Study of the Marattiaceae. Ann. of Bot. xxxi, p. 361. 1917. 



397. West. Stigeosporium marattiaceanmi. Ann. of Bot. xxxi, p. 71. 



398. Campbell. Mosses and Ferns. 3rd edn., p. 273. 19 18. Here the literature is fully 

 cited. 



399. VON Goebel. Organographie II, ii. 1918. 



400. Hayata. Protomaratlia. Bot. Gaz. Ixii, p. 84. 1919. 



401. Scott. Studies in Fossil Botany. 3rd edn., Vol. i, Chap. viii. 1920. 



402. Halle. Sporangia of Mesozoic Ferns. Arkiv. for Botanik. Bd. xvii, p. i. 1921. 



403. Blomquist. Vascular Anat. of y4;z^Z(7^/^r/j-. Bot. Gaz., p. 181. March, 1922. 



404. Sew.ard. Hooker Lecture. Journ. Linn. Soc. xlvi, p. 218. 1922. 



405. Land. S\iSY)t\-\?,ox'm A?tgiopieris. Bot. Gaz., p. 421. 1923. 



