 They thereupon returned to their camp in the Magaliesberg and on 17 November received a visit from the Swedish naturalist Wahlberg, who had journeyed up from Port Natal.They made a few minor excursions before starting on the return journey on 14 December 1841.Following the course of the Magalies River upstream, they reached Potchefstroom on 26 December and came across an Erythrina (most probably "E. zeyheri" Harv.)