[46] Home Nature-Study Course, Vol. V, No. 8, May, 1904.
[47] Pronounced Trifol' -ium praten' -se, the second or specific name with three syllables.
[48] Home Nature-Study Course, New Series, Vol. I, No. 1, October, 1904.
[49] Nature-Study Quarterly No. 6: Leaflet 19, October, 1900.
[50] Nature-Study Quarterly, No. 8: Leaflet 21, January, 1901.
[51] Nature-Study Quarterly No. 3: Leaflet 16, January, 1900.
[52] Teachers' Leaflet No. 4, April, 1897.
[53] Nature-Study Quarterly, No. 7: Leaflet 20, January, 1901.
[54] Home Nature-Study Course, Vol. IV, No. 30, March, 1903.
[55] Home Nature-Study Course, Vol. IV, No. 31, April, 1903.