6 ILLINOIS BIOLOGICAL MONOGRAPHS [96 



Cuscuta jepsonii n. sp 59 



Cuscula calif ornica Choisy 60 



Cuscuta harperi Small 63 



Cuscuta rostrata Shuttleworth 63 



Cuscuta gronovii Willdenow 64 



Cuscuta curia (Engelmann) Rydberg 67 



Cuscuta denticulata Engelmann 68 



Cuscuta vealchii Brandegee 69 



Cuscuta subinclusa Durand & Hilgard 69 



Cuscuta salina Engelmann 70 



Cuscuta cuspidata Engelmann 72 



Cuscuta squamata Engelmann 73 



Cuscuta glomerata Choisy 74 



Cuscuta compacta Jussieu 75 



New Species and Varieties Described 78 



Bibliography 79 



Explanation of Plates 92 



Index of Collections 119 



Index of Names 137 



