CORRECTIONS AND ADDITIONS. 



Page 1. Clematis Viorna, L., occurred in a gorge of the moun- 

 tains of Brattleboro' ; but is doubtless an introduced plant. 



P. 2. Eead Liriodendron Tulipifera; the species-name being here 

 a substantive. 



P. 4. After Lepidium Virginicum add 



L. caxnpestre, L. Amherst, Clark. 

 P. 5. For Lychnis dioica, L., &c, read 



Ij. diurna, Sibth. Red Campion. Roadsides. 

 The Linnseaii species is now represented by this and L. vespertina, 

 Sibth., both of which are recognized as North American by Prof. Gray. 

 L. Flos-Cuculi, L., has recently also been observed wild at two stations 

 in Amherst. 



At same page, after Stellaria graminea, insert 



S. uliginosa, Murr. S. Deerfield, Jesup. 

 At same page, erase Cerastium vulgatum, L., which has not occur 

 red; and add, after C. viscosum, the wrongly omitted 

 C. arvense, L. 

 At same page, after Sagina procumbens add 



S. apetala, L. Roadside, Hadley, Jesup. 

 P. 6. After Claytonia Virginica add 



C. Caroliniana, Michx. 

 This (reputed only a form of 0. Yirginica by DC, and some other 

 writers) is our common plant. 



P. 12. After (Enotliera biennis, insert 



<E. fruticosa, L. Hadley, Clark. 

 P. 15. Galium verum has appeared also in fields of Mass. Agric. 

 College, Clark. 



P. 16. Erase Eupatorium hyssopifolinm, set down by mistake, and 

 insert, after E. teucrifolium, 



E. sessilifolium, L. Mt. Toby, Jesnp. 

 P. 23. After Blephilia hirsuta add 



B. ciliata, Raf. Hadley meadows, int.?, Jesup. 

 P. 24. Read Nepeta Cataria ; the species-name being a substan- 

 tive. 



P. 25. Read Calystegia Sepium. 



P. 28. Before Rumex Acetosella insert 



[R. Engelmanni, Ledeb. Roadside (for several 

 years) Amherst, S. T. Maynard.'] 

 P. 76. Eead" SPAR A SSI'S. 

 P. 87. Read ZYGODESMUS. 



$6 



