1S94J PLANTS OF MONROE COUNTY. 99 



EL^AGNACE^. 



340. SHEPHERDIA Nutt. [Lei'akgvr.ka Raf.] 



S24. S. Canadensis Nutt. \Lcpargyrcea Canadensis (L.) Greene.] 



Frequent on the banks of Genesee river, Pinnacle hills, and shores of 

 Irondequoit bay. Banks of Oak Orchard creek, Kendall, Orleans Co. 



LORANTHACE^. 



34T. ARCEUTHOBIUM Bieb. 



825. A. pusillum Peck. \Razoiimofskya pusilla (Peck) Kuntze.] 



Rare. Mendon, 1894, M. S.Baxter. 



SANTALACE.C 



342. COMANDRA Nutt. 



826. C. umbellata Nutt. \C.n7nbellata (L.) Nutt.] 



Common on the dry banks of Genesee river. Oak Orchard creek, 

 Canandaigua lake, etc., with Ceanothus and Shepherdia. 



EUPHORBlACEyE. 



343. EUPHORBIA L. 



827. E. polygonifolia L. 



Frequent on the sandy shore of lake Ontario. 



828. E maculata L. 



Fields, roadsides, waste places ; common. 



829. E. Preslii Guss. [E. hypericifolia Man., not L.) [£". nuhins Lag.] 



Fields and hillsides, in dry soil ; common. 



830. E. corollata L. Flowering Spurge. 



Rare. Brockport, Prof. Lennon. Mount Morris, Mrs. M. E. Strccier. 



831. E. Helioscopia L. 



Rare. G. T. Fish. Wayne county. 



832. E. Cyparissias L. Cypress Spurge. 



Roadsides, in sand or gravel ; infrequent. 



833. E. Peplus L. 



Frequent in the streets of Rochester. Wayne county. 



— E. Lathyris L. 



Roadside, Brighton, Dr. C. M . Booth . L. Holzer. 



344. ACALVP//A L. 



834. A. Virginica L. 



Moist ground in fields and by roadsides ; common. 



URTICACE^F. 



345- ULMVS L. 



835. U. fulva Michx. \U . pubescens Walt.] Slippery Elm. Red EliM. 



River banks and ravines ; frequent. 



836. U. Americana L. White Elm. 



Low woods ; common. The form catalogued by nurserymen as the 

 American Weeping Elm is frequent. 



