96 ILUNOIS BIOLOGICAL MONOGRAPHS [186 



EXPLANATION OF PLATE 



Fig. 7, a-d — Cuscuta odontolepis typica 



Fig. 7, e — Cuscuta odontolepis fimbriata 



Fig. 8, a-e — Cuscuta erosa 



Fig. 9, a-e — Cuscuta umbeUata typica 



Fig. 9, f-g — Cuscuta umbeUata dubia 



Fig. 10, a-e — Cuscuta floribunda 



Fig. 11, a-e — Cuscuta chapalana (d represents the ovary) 



Fig. 12, a-e — Cuscuta partita 



