BOTANICAL SURVEY— SUGAR GROVE REGION 



309 



Ai-ales. 

 Araceae, Arum Family. 

 Acorus calamus L. Sweet-flag. 



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

 able habitats. No specimen. 

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

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



Lemnaceae, Duck-weed Family. 

 Spirodela polyrhiza (L.) Schleid. Greater Duckweed. 

 Lemna trisulea L. Star-duckweed. 

 Lemna minor L. Lesser Duckweed. 

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



Subclass, Glumiplorae. 

 Gramiimles. 

 Cyperaceae, Sedge Family. 



Cyperus flavescens L. Yellow Cyperns. 



Cyperns esculentns L. Fide Bigelow. 



Cyperus speciosus Vahl. Fide Bigelow. 



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



Cyperus filiculmis Vahl. Slender Cyperus. 



Kyllingia pumila Mx. 



Dulichium arundinaceum (L.) Britt. 



Eleocharis obtusa Sehultes. Fide Bigelow. 



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



Eleocharis tenuis Sehultes. Fide Bigelow. 



Fimbristylis autumnalis (L.) R. & S. 



Scirpus validus Vahl. (S. lacustris L.) Only in Buckeye Lake. 



Scirpus atrovirens Muhl. 



Scirpus polyphyllus Vahl. 



Scirpus lineatus Mx. Reddish Bulrush. Fide Bigelow. 



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



Rynchospora alba (L.) Vahl. Fide Bigelow. 



Rhynchospora glomerata (L.) Vahl. 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. 



€arex cephalophora ?*Iuhl. 



Carex conjuneta Boott. 



Carex eareyana Dewey. Fide Bigelow. 



Carex costellata Britt. (('. viresecus Muhl). 



■Carex crinita Lam. 



Carex cristatella Britt. (C. eristata Schwein). 



Carex davisii Schw. & Torr. Fide Bigelow. 



