Dr. Bull has been very successful in developing the Sclerotium of Agaricus cirrhatus.
Currey, “On Development of Sclerotium roseum,” in “Journ. Linn. Soc.” vol. i. p. 148.
Currey, in “Linn. Trans.” xxiv. pl. 25, figs. 17, 26.
Berkeley, “On Two Tuberiform Veg. Productions from Travancore,” in “Trans. Linn. Soc.” vol. xxiii. p. 91.
Berkeley, “On a Peculiar Form of Mildew in Onions,” “Journ. Hort. Soc.” vol. iii p. 91.