ADDITIONS AND CORRECTIONS. 



Page 59. ARGEMONE MEXICANA. Collected at Merodosia, 111., with white 

 flowers, by A. B. Seymour. 



Page 75. Insert after Cleome integrifolia 



C. SPIXOSA, L. Viscid-pubescent, 3-4 high; a pair of short stipnlar 

 spines under the petiole of each leaf; leaflets 5-7, oblong-lanceolate; flowers 

 large, rose-purple to white ; stamens 2-3' long; stipe of the linear pod about 

 2' long. (C. puugeus, Willd.) An escape from cultivation, near Mt. Car- 

 mel, 111. (Schneck), and in waste grounds southward; also on ballast. (Int. 

 from Trop. Amer.) 



Page 86. Arenaria Groenlandica. Found on Mt. Desert Island, 



Maine (Rand). 

 Page 87. Stellaria borealis. In the mountains of northern N. J. 



S. humifusa. This species has also been found on Cranberry Island, 

 near Mt. Desert, Maine, by J. H. Redjield. 



Page 91. Under Talinum teretifolium add the character style 

 equalling the stamens. Insert 



2. T. calycinum, Engelm. Leaves somewhat broader; flowers and 

 capsules larger ; stamens 30 or more ; style twice longer than the stamens, 

 declined. Central Kan. to W. Tex. 



Under Claytonia insert 



3. C. Chamissonis, Esch. Weak, procumbent or ascending, rooting 

 below and perennial by lateral and terminal filiform runners ; leaves several 

 pairs, oblong-spatulate, 1-2' long; inflorescence racemosely 1 - 9-fiowered ; 

 petals pale rose-color; capsule small, 1-3-seeded. In a cold ravine, AViuona 

 Co., Minn. ; in the mountains from Colorado north and westward. 



Page 211. Hydrocotyle Americana. Add propagating by fili- 

 form tuberiferous stolons. 

 Page 230. Insert after the genus Dipsacus 



2. SCABIOSA, Tourn. SCABIOUS. 



Characters of Dipsacus, but the green leaves of the involucre and involucels 

 not rigid nor spinescent. (Name from scabies, the itch, from its use as a 

 remedy. ) 



S. AUSTR\LIS, Wulf. Perennial, sparsely branched, nearly glabrous, 1|- 

 3 high ; leaves narrowly lanceolate to linear, the lower oblanceolate, slightly 

 toothed or entire; heads short-oblong; calyx obtusely short-lobed ; corolla 

 pale blue. Central N. Y. and Penn. ; rare. (Adv. from Eu.) 



