ADDENDA 



Januaky, 1868. 



To page 110. 

 Uinx GRAviiOLENS, L., Garden Rue, is naturalized on rocky roadsides, 

 Bedford Co., Virginia, according to A. II. Curtiss. 



To page 112, 113. 



2. VitiS Sestivalis, Michx. Original of the Clinton, Norton's Virginia 

 Seedlinr/, and some other wine gra])e.s. 



Var. ? cin^rea, Engelm. " Branchlets and both sides of the almost entire 

 leaves cancscent, even when mature ; berries very small, l)]ack and shining, very 

 acid until after frost. — Rich bottom lands in the Mississippi Valley, Illinois, 

 and southward." Engelmann. 



3. V. COrdifolia, Michx., according to Engclmann, " has the small berries 

 black without bloom, tlic small seeds rounded above and with a prominent 

 rhaphe. Unfit for cultivation." 



3*. V. riparia, Michx., Dr. Engclmann concludes should be restored as a 

 species, with the following character. "Leaves larger, usually inciscly 3-lobed, 

 the lobes long-pointed ; panicles small, rather simple; berries larger and mostly 

 with bloom ; seeds larger, obtuse or somewhat obcordatc and with an inconsjjic- 

 uous rh iphe. — May, earlier than V. cordifolia. Thickets and river-banks, 

 from Vermont to Michigan and Illinois. Several varieties in cultivation : the 

 most esteemed white one is the Taijlor-Didlit Grape. The celebrated claret-col- 

 ored Delaware Grape seems also to belong here." Engelmann. 



To page 126, after Genista. 

 Cytisus (or Sarotiiamxus) scopXrius, Scotch Broom, of Europe, 

 which is often planted for ornament, has become naturalized extensively in Vir- 

 ginia near Washington and southwai'd, according to A. H. Curtiss, so as to 

 deserve a place in this work. May, June. 



To page 130. 



4. Petalostemon folibsus, Gray, in Proceed. Amer. Acad. 7, p. 336. 

 Smooth, very leafy ; leaflets lG-29, linear-oblong, mucronate, the glands few 

 and small ; spikes cylindrical, short-pcduiicled ; bracts slcnder-awncd from a 

 lanceolate base, exceeding the rose-])nr])le flowers ; calyx also glabrous, the 

 teeth about half the length of the cylindraceous tube. — Banks of Fox River, 

 Kane Co., Illinois, ^^r. Burgess Truesdell. Also Nashville, Tenu., Mr. Ilatck. 

 " Like the other species jjlcasantly fragrant." Aug. 



