[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.