[1062] Grand’Eury (77) A; (90) A.
[1063] Rudolph (05).
[1064] Scott (08) p. 302.
[1065] Butterworth (00). Pelourde (082) has recently described the structure of the roots of several species of Psaronius.
[1066] Stenzel (06).
[1067] Farmer and Hill (02).
[1068] Williamson (76) Pl. III.
[1069] Stenzel (89) Pl. VI.
[1070] Zeiller (90) p. 204, Pls. XVI. XVII.; see also Rudolph (05).
[1071] Renault and Zeiller (88) A. Pls. V.–VIII.