BOTANICAL SUEVEY— SUGAR GROA^E REGION 309 



Arales. 

 Araceae, Arum Family. 

 Acorus calamus L. Sweet-flag. 



Spathema foetida (L.) Raf. (Symplocarpus). Skunk-cabbage. Common in suit- 

 able habitats. No specimen. 

 Arisaema triphyllum (L.) Torr. Jack-in-the-pulpit. 

 Arisaema ilracontium (L.) Schott. Dragon-root. 



Lemnaceae, Duck-weed Family. 



Spirodela ])olyrhiza (L.) Schleiil. Greater Duckweed. 



Lemna trisulca L. Star-duckweed. 



Lemna minor L. Lesser Duckweed. 



WolflRa Columbiana Karst. Wolffia. Known only from Buckeye Lake. 



Subclass, Glumiflorae. 

 Graminales. 

 Cyperaceae, Sedge Family. 



Cyperus flavescens L. Yellow Cyperus. 



Cyperus esculentus L. Fide Bigelow. 



Cyperus speciosus Yalil. Fide Bigelow. 



Cyperus strigosus L. Straw-colored Cyperus. Common. No specimen. 



Cyperus filiculmis Yahl. Slender Cyperus. 



Kyllingia pumila Mx. 



Dulichium arundinaceum (L.) Britt. 



Eleocharis obtusa Scliultes. Fide Bigelow. 



Eleocharis acicularis (L.) R. & S. Needle Spike-rush. 



Eleocharis tenuis Schultes. Fide Bigelow. 



Finibristylis autumnalis (L.) E. & S. 



Scirpus validus Yahl. (S. laeustris L.) Only in Buckeye Lake. 



Scirpus atrovirens Afuhl. 



Scirpus polyphyllus Yahl. 



Scirpus lineatus Mx. Reddish Bulrush. Fide Bigelow. 



Scirpus cyperinus (L.) Kunth. Wool-grass. 



Rynchospora alba (L.) Yahl. Fide Bigelow. 



Rhynchospora glomerata (L.) Yahl. Clustered Beaked-rush. 



Scleria triglomerata Mx. Tall Nut-rush. Fide Bigelow. 



Scleria panciflora Muhl. Papillose Nut-rush. Fide Bigelow. 



Carex asa-grayii Bailey (C. grayii Carey). 



Carex bromoides Sehkr. Fide Bigelow. 



Carex cephalophora Muhl. 



Carex conjuncta Boott. 



Carex careyana Dewey. Fide Bigelow. 



Carex eostellata Britt. (C. virescens Muhl). 



Carex crinita Lam. 



Carex cristatella Britt. (C. cristata Schwein). 



Carex davisii Schw. & Torr. Fide Bigelow. 



