ADDITIONS. 



Volume I., page 150 ; after Polygala cruciata, add : 



2 (a). Polygala lutea, Linn. Yellow Milkwort. 



Spike ovoid-oblong, dense ; flowers distinctly pedicellate ; wings ovate, abruptly acuminate ; 

 exterior sepals and crest minute ; stem leaves oblong-lanceolate ; radical ones obovate, 

 narrowed at the base. — Linn. sp. (ed. 2.) 2. p. 990 ; Pursh, fl. 2. p. 465 ; Nutt. gen. 2. 

 p. 88 ; Ell. sk. 2. p. 185 ; DC. prodr. 1. p. 328 ; Torr. Gr. jl. N.-Am. 1. p. 127. P. 

 lutea, var. elatior, Michx. fl. 2. p. 54. 



Biennial. Stem 6-12 inches high, either simple or throwing off a few long spreading 

 branches. Radical leaves in a spreading cluster, obtuse. Heads of flowers from half an 

 inch to an inch and a half in length, obtuse, retaining their color when dry. Style elongated, 

 slightly dilated in the middle, near which is a small pedicellate gland. Seed hairy : lobes of 

 the caruncle collateral, nearly as long as the seed. 



Sandy swamps ; Raynor, Queens county, Long Island. Fl. June - October. A very 

 showy plant when in flower. 



Vol. I., p. 179 ; after Desmodium viridiflorum, add : 



7 (a). Desmodium l^evigatum, DC. Rigid Upright Desmodium. 



Stem erect, stout, smooth or minutely pubescent ; leaves on long petioles, rather thick and 

 coriaceous ; leaflets ovate-oblong, rather obtuse, pubescent on the veins underneath, the 

 lateral ones narrower and somewhat distant ; stipules subulate, caducous ; racemes paniculate, 

 roughly pubescent ; bracts ovate, small ; legumes of 2 - 4 broadly semi-rhomboidal hispidly 

 pubescent joints, which are slightly convex on the back, with a stipe nearly the length of the 

 lowest joint. — DC. prodr. 2. p. 329 ; Torr. Gr. fl. I. p. 361. D. rhombifolium, DC. 

 I. c; Torr. Gr. I. c. Hedysarum lasvigatum, Nutt. gen. 2. p. 109. H. rhombifolium, 

 Ell. sk. 2. p. 216. 



Stem 2-4 feet high, nearly simple, straight. Petioles 1-3 inches long. Leaflets about 

 2 inches long, of a firm texture. Panicle very large. Pedicels as long as the flowers. 

 Joints of the legume about 3 lines long. 



Dry rocky hills ; near Kingsbridge, on the island of New-York. FL Augusl - September. 

 A rare species, which was first pointed out to me in the above locality, by my friend, Mr. 

 John Carey. 



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