No. 14.] FLOWERING PLANTS AND FERNS. 425 



Potamogeton crispus L. B2, B3. 



Triglochin palustris L. Berz., Bi, B2, B3. 



Paspalum laeve Michx. Berz., Bi, B2, B3, R. 



Avena fatua L. B2, B3. x 



Danthonia sericea Nutt. Leon. 



Poa flexuosa Muhl. Poa autumnalis Muhl. Bi, B2, B3. 



Festuca ovina L., var. duriuscula Hack. Ba, B3. 



An error in determination. Plant was Festuca rubra. 



Cyperus Houghtonii Torr. B3. 



An . error in determination. Plant was Cyperus fili- 

 culmis. 



Scirpus supinus L., var. Hallii Gray. Scirpus Hallii Grav. 

 B2. 



Rynchospora capillacea Torr. B2, B3. 



Carex adusta Boott. Berz., Bi. 



Carex exilis Dewey. C. & S., B3, R. 



Perhaps correct, but no specimen has been seen by the 

 committee. 



Carex Goodenowii J. Gay. B3. 



Lemna perpusiUa Torr. Ba. 



Juncus scirpoides Lam. Bi, B2, B3. 



Helonias hullata L. Leon. 



Allium sativum L. Bi, B2, B3. 



Lilium Catesbaei Walt. Leon. 



Cypripedium arietinum R. Br. Berz., Bi, B2, B3. 



Perhaps correct, but no specimen has been seen. 



Cypripedium candidum Willd. B3, D. 



Habenaria rotundifolia Richards. Orchis rotundifolia Banks. 

 Bi, B2, B3. 



Probably actually collected by Dr. J. W. Robbins, but 

 no specimen has been seen. 



Habenaria peramoena Gray. Leon. 



