ERRATA 



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5. Read scopulorum for scopulorum 



7. Omit R. Purshii in line (y) 

 12. Read alpinum for dlpinum 



14. Transpose 7 and 6, and insert "Fumitory Family" before the latter 

 22. Read palustris for palustre 



28. Add (Gr. thlaspi, cress, from /i/ao, crush) under Thlaspi 

 39. Under Geranium, transpose the phrases "typically in moist soil" and 



"typically in dry soil." 



42. Insert after Frankenia, "Characters of the family." 

 54. Read Silene Scouleri under 1 ; tamariscina for tamarischina under 20. 



78. Insert the following key under Pirolaceae 



1. Flower solitary MONESES 



2. Flowers several to many 



a. Flowers in a raceme ; leaves basal PIROLA 



b. Flowers in a corymb ; leaves on the stem CHIMAPHILA 



79. Read "Leaves mottled with gray above" in line (1) 



90. Read "Wintergreen Family" for "Heath Family," and insert the lat- 

 ter after 7. 



114. Read Hyoscyamus for Hyoscydmus 



119. Omit Krynitzkia after line (2) (a) y, and insert 



(x) Nutlets attached laterally; native KRYNITZKIA 

 (y) Nutlets attached basally ; introduced SYMPHYTUM 



