131 



Order So. Ceratophyllace^e. 



364. CERATOPHYLLUM, L. 

 S10. C. demersum, L., var. echinatum, Gray. 



Order 81. Callitrichace^e. 



365. CALLITRICHE, L. 



811. C. verna, L. 1 



Order 82. Euphorbiace^e. 



366. EUPHORBIA, L. 



812. E. polygonifolia, L. 



813. E. maculata, L. 



814. E. hypericifolia, L. 



Rather rare. Track, of the L. S. & M. S. R. R., Buffalo; Silver 

 Creek, Chat. Co. 



815. E. corollata, L. 



Rare. Portage, Wyom. Co., Clinton. 



816. E. PLATYPHYLLA, L. 



817. E. Helioscopia, L. 

 81S. E. Esula, L. 



Rare. Shore of Niagara R., between Black Rock and Tona- 

 wanda, John F. Cow ell ; Attica, Wyom. Co., Clinton. 



S19. E. Cyparissias, L. 



Rather rare. Escaped from cultivation in a few places. 



820. E. Peplus. L. 



Becoming a rather common garden weed, Buffalo. 



821. E. Lathyris, L. 



Rare. Silver Creek, Chat. Co., Clinton. 



367. ACALYPHA, L. 

 S22. A. Virginica, L. 



Order 83. UrticacejE. 



368. ULMUS, L. 



823. U. fulva, Michx. 



824. U. Americana, L. 



825. U. racemosa, Thomas. 



Very rare. A few specimens noticed in the northern portion of 

 Buffalo. A large tree in Forest Lawn Cemetery, Buffalo. 



