APPENDIX. 



Page 150 



A variety of forms of this genus evi- 

 dently demands further study to insure 

 the correct determinations of forms and species. Act sea 

 rubra dissecta, Britton, has deeply incised leaves, the 

 lower ones double-compound. Lincoln Co., Ontario. 

 Actzea rubra arguta, Greene, is a western form with 

 large deeply incised leaves ; Neb. to Cal. Act sea rubra 

 forma neglecta, Robinson, has white berries on long 

 slender green stems ; not altogether rare, but local. 



Page 228 



Cassia Tora ^ n annua l with 4-6 leaflets, mostly 6, 



Yellow thin, obovate, and with a bristlelike point. 



July-Septem- The yellow flowers f-1 inch broad. The 

 linear, slender pod crescent-shaped. Along 

 rivers, Va. south, and in Miss, valley to Mo. and Ind. 

 Coffee Senna A. smooth annual species with many 

 Cassia branches, and 8-12 ovate or ovate lance- 



ocddentalis shaped leaflets, very acute at the tip and 



ellow rounded at the base. Flowers rather small, 



July-August j - . i i 



pod linear and about 4-5 inches long. 



4-6 feet high. Waste places and along the shore from 

 Va. to Tex., and in Miss, valley to Mo. and Ind. 

 Naturalized from tropical America. 



Page 232 



G . A small-flowered species adventive from 



sibiricum ^ ne ^^ World. An annual with a weak, 



Palest Lilac soft-hairy, much -branched stem. Leaves 

 June-Septem- 3,5 par t e d (generally 3), sharply toothed 

 and acute-pointed. Flowers pale lilac to 

 lilac- white. 1-4 feet high. Locally common on the 

 roadsides of New York City, and in Cambridge, 

 Mass. 



A similar species with very round leaves 



Geranium , _ , . , n 



rotundifolium not Deeply cut, about 1J inches wide, and 

 Magenta scollop-toothed. Flowers small, about J 



June-Septem- inch broad, magenta and magenta-pink. 

 8-18 inches high. Waste places and ballast, 

 New York City, Philadelphia, and Michigan. From the 

 Old World. 



543 



