ADDENDA. 



The following plants have been detected within oce borders 

 too late for insertion in their proper places. 



Thermopsis mollis, M. A. Curtis. Genus like Baptisia, p. 142, but 

 with a long, narrow, flat pod: plant l°-2° high, minutely soft -downy ; leaflets 

 wedge-obovate varying to oblong; raceme reclining; flowers golden yellow; 

 pod long and linear. (Baptisia mollis, DC.) — Franklin, S. Virginia ( W. M. 

 Canbij), and southward. May. 



Leucanthemum vulgare, Lam. : to p. 266, line 2, add — Var. tubu- 

 liflorum, S. Tenney. A curious abnormal state, with the rays changed into 

 tubular and palmately or bilabiately 5-lobed (rarely 3-4-lobed) corollas. — 

 Fields, Poughkeepsie, New York, Prof. Tenney. 



VaccLnium tenellum, Ait. Most like V. Pennsylvanicum, No. 11, 

 p. 291; but taller (l°-3° high), with firmer and obscurely serrulate leaves, 

 and a narrower cylindraccous corolla. — Pine-barren swamps, Franklin, S. Vir- 

 ginia ( W. M, Canby), and southward. April, May. 



Potamogeton. The synonymes cited under No. 3 and No. 8, pp. 485, 

 486, arc names given by Chamisso merely as provisional appellations. 



