SCHIZODIUM rigidum Lindl. [family ORCHIDACEAE], Gen. & Sp. Orch. 360;—Drège, Zwei Pfl. Documente, 120; Sond. in Linnæa, xix. 103; Drège in Linnæa, xx. 220; N. E. Br. in Gard. Chron. 1885, xxiv. 331; Schlechter in Engl. Jahrb. xxxi. 303; Bolus, Ic. Orch. Austr.-Afr. ii. tt. 94, 95.
SCHIZODIUM bifidum Reichb. f. [family ORCHIDACEAE], in Flora, 1883, 460; Durand & Schinz, Conspect. Fl. Afr. v. 113; Kränzl. Orch. Gen. et Sp. i. 729, partly, and in Ann. Naturhist. Hofmus. Wien, xx. 6; Schlechter in Engl. Jahrb. xxxi. 302, partly, excl. var., not of Reichb. f.
Satyrium bifidum Thunb. [family ORCHIDACEAE], Prodr. 5.
Disa bifida Sw. [family ORCHIDACEAE], in Vet. Acad. Handl. Stockh. 1800, 212; Thunb. Fl. Cap. ed. Schult. 9; Bolus in Trans. S. Afr. Phil. Soc. v. 163, Orch. Cap. Penins. 163, and Journ. Linn. Soc. xxv. 201.