132 BOTANICAL GAZETTE. 



13. B. sulphaiea, Engelm. Nearl}" as in the last but with shorter 

 racemes, persistent stipules and yellow flowers which have an ob- 

 tuse ovary with longer style. Arkansas. 



===== Legumes boat shaped, abruptly and sharply acuminate. 



14. B. villosa, Nuttall. Racemes somewhat declining or erect: 

 flowers yellow, short pedicelled; legumes liltle inflated, obtuse at 

 base. Virginia, North Carolina and Arkansas. 



15. B. IcucopJi^ea, NuttalL Racemes strongly declined; flowers 

 cream-colored, on long pedicels subtended by large persistent 

 bracts; legumes much inflated, strongly acuminate at each end. 

 Michigan, south to Texas and east to South Carolina. 



var. Uevicanlis^ Gray. Smaller in all its parts and nearly smooth, 

 Texas. 



16. B. australis, R. Brown. Smooth ; racemes many or several, 

 erect; flowers blue or sometimes chocolate-colored with the vexil- 

 lum sometimes nuriculate; legumes erect, long and little inflated. 

 Pennsylvania and Ohio to Georgia and Arkansas. 



var. minor, Torr. and Gra}". ''Flowers smaller and fewer; vexil- 

 lum not auriculate.'' Arkansas. 



For the last nine species this arrangement may be preferred by 

 some : 



= Flowers yellow. == Flowers white or eream-eolor. 



S. II. Seience, M. A. Curtis. 13. B. leucophoea, Niitt. 



9. B. megacarpUj Cliapm. var. loavir.aulis, Gray 



10. B. sphcerocarpa, Nutt. 14. B. leucantha, Torr. and Gray. 



11. B. sulphui-M, Engelm. 15. B. alba, R. Brown. 



12. B. villijsa, Nutt. ===== Flowers blue. 



16. B. australis, R. Brown. 



var. minor, Torr. and Gray. 



A Visit to the Shell Islands of Florida, by A. H. Curtiss. — Paper 

 n. — Taking up the thread of our narrative where lately it was drop- 

 ped, we find ourselves at the entrance of the channel which, through 

 • wide-spread, reedy fens,'- leads to the Island of Pines. The tide is 

 beginning to run out, and warns us to hasten or remain stranded 

 somewhere in the morass till midnight. Rowing is imj)ossible, but 

 by pushing and paddling, we manage to get along very well through 

 the broader reaches of the watery alley. All goes well for a while, 

 but presently the creek forks and we know not which way to turn. 

 The left-hand course appears more navigable, and soon we are toiling 

 through a ditch which becomes narrower as we progress. It winds to 

 the right and then to the left, and folds upon itself like a writhing 



