4), 72–80. 1917. Observations on the evolution of branching in the Filicales. New Phytol. 16 (1 and 2), 1–23. 1919. (With J. C. Willis.) Lawson's text book of botany. London: Univ. Tut. Press. 1919. On an Australian specimen of Clepsydropsis. Ann. Bot. 33 (129), 81–92. 1920. (With A. C. Seward) Indian Gondwana plants: a revision. Mem. Geol. Surv. Ind. Pal. Ind. 7 (I), 1–40. 1921. A stem impression from the plant-bearing beds near Khunmu (Kashmir), provisionally referred to Gangamopteris Kashmirensis Seward. Proc. (8th Ind. Sci. Cong. Cal.) Asiat. Sac. Beng. (N.S.), 17 (4), 200. 1921. The present position of Indian Palaeobotany. Pres. Add. 8th Ind. Sci. Cong. Cal. Proc. Asiat. Sac. Bengal (N.S.), 17 (4), 152–175. 1924. On the anatomy of some petrified plants from the Government Museum, Madras. Proc. 11th Ind. Sci. Cong. Bangalore, p. 141. 1925. The ontogeny of vascular plants and the theory of recapitulation. J. Ind. Bot. Soc. 4 (6), 202–216. 1925. (With E. J. Bradshaw) A fossil tree in the Panchet Series of the Lower Gondwanas near Asansol. Rec. Geol. Surv. Ind. 58 (I), 77–79. 1931. On certain fossil epiphytic ferns found on the stems of the Palaeozoic tree-fern Psaronius. Proc. 18th Ind. Sci. Cong. Nagpur, p. 270. 1931. Materials for a monograph of the Indian petrified palms. Proc. Acad. Sci. U.P. 1, 140–144. 1932. Homoxylon rajmalzalense gen. et sp. nov., a fossil angiospermous wood, devoid of vessels, from the Rajmahal Hills, Behar. Mem. Geol. Sura. Ind. Pal. Ind. 20 (2), 1–19. 1932. A petrified Williamsonia (W. Sewardiana, sp. nov.) from the Rajmahal Hills, India. Mem. Geol. Sura. Ind. Pal. Ind. 20 (3), 1–19. 1933. (With A. R. Rao) On some Jurassic plants from the Rajmahal hills. J. Asiat. Soc. Bengal (N.S.), 27 (2), 183–208. 1933. Explosive fruits in Viscum japonicum Thunb. J. Ind. Bat. Soc. 12 (2), 96–101. 1934. (With B. P. Srivastava) The silicified flora of the Deccan Intertrappean Series. Pt. 3. Sausarospermum Fermori. gen. et sp. nov. Proc. 21st Ind. Sci. Cong. Bombay, p. 318. 1934. Dr S. K. Mukerji, F.L.S. (1896–1934). (Obituary.) J. Ind. Bot. Soc. 13 (3), 245–249. 1934. (With A. R. Rao) Rajmahalia paradoxa gen. et sp. nov. and other Jurassic plants from the Rajmahal hills. Proc. Ind. Acad. Sci. 1 (6), 258–269. 1934. Dr Dukinfied Henry Scott. (Obituary). Curr. Sci. 2 (lo), 392–395. 1934. The Deccan Traps: Are they Cretaceous or Tertiary? Curr. Sci. 3 (lo), 392–395. 1935.