42 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. 
Polygonum sagittatum. 
Sphacelotheca Hydropiperis. 
NYMPH ZACEZ. 
Nuphar advena. 
Entyloma Nymphee. 
Nymphza odorata. 
Entyloma Nymphee. 
RANUNCULACEZ. 
Anemone nemorosa. 
Urocystis Anemones. 
Thalictrum polygamum. 
Entyloma Thalictri. 
OXALIDACEZ. 
Oxalis stricta. 
Ustilago Oxalidis. 
SoLANACE, 
Physalis pubescens. 
[ Bull. 
Entyloma Physalidis. 
Physalis Virginiana. 
Entyloma Physalidis. 
ScROPHULARIACES. 
Linaria vulgaris. 
Entyloma Linarie. 
Veronica peregrina. 
Entyloma Linarie 
var. Veronice. 
CAMPANULACEA, 
Lobelia inflata. 
Entyloma Lobelia. 
ComMPposiTz. 
Ambrosia artemisizfolia. 
Entyloma polysporum. f 
EXPLANATION OF FIGURES. 
Figs 1-20. Spores of various smuts, part of which are 
shown in optical cross section. Magnified about 650 diameters 
except where otherwise stated. 
Fig. 1. Ustilago longissima from Glyceria grandis. 
Fig. 2. Ustilago Zee from Zea Mays. 
Fig. 3. Ustilago Oxalidis from Oxalis stricta. 
Fig. 4. Ustilago utriculosa from Polygonum Pennsylvanicum. 
Fig. 5. Sphacelotheca Sorght from Sorghum vulgare; a, 
sterile cells of false membrane. 
Fig.6. Sphacelotheca Hydropiperis from Polygonum Ssagit- 
tatum, a, sterile cells of false membrane. 
Fig.7 Sorosporium Syntherisme from Cenchrus tribuloides; 
a, spore ball magnified only about 100 diameters. 
Fig. 8. Cintractia Caricis from Carex Pennsylvanica. 
Fig.9. Schizonella melanogramma from Carex Pennsyl- 
vanica. 
Fig. 10. Tolyposporium bullatum from Panicum Crus-galli; 
a, spore ball magnified only about roo diameters, 
Fig. 11. Tilletia Maclagani from Panicum virgatum. 
Fig.12. Tilletia Anthoxanthi from Anthoxanthum odora- 
tum; a, sterile cell. 
Fig. 13. Neovossia lowensis from Phragmites communis 
