(96) 



Pinnae mostly with 12-18 leaflets : leaflets glaucous beneath, 



glabrous or nearly so : pods 3 mm. wide. 



7. A. reticulata. 

 Pinnae mostly with 20-28 leaflets : leaflets ciliate and pubescent 



beneath : pods 2 mm. wide. 8. A. fallax. 



i. Acuan Illinoensis (Michx.) Kuntze. 



Mimosa Illinoensis Michx. Fl. Bor. Am. 2: 254. 1803. 

 Acuan Illinoensis Kuntze, Rev. Gen. PI. 158. 1891. 

 In dry soil and on river banks, Minnesota to Tennessee, 

 Florida, Kansas and Texas. 



2. Acuan leptiloba (T. & G.) Kuntze. 



Desmanthus leptilobus T. & G. Fl. N. Am. 1 : 402. 

 1840. 



Acuan leptiloba Kuntze, Rev. Gen. PI. 158. 1891. 

 On prairies, Kansas to Texas. 



3. Acuan Jamesii (T. & G.) Kuntze. 



Desmanthus JamesiiT. & G. Fl. N.Am. 1: 402. 1840. 

 Acuan Ja?nesii Kuntze, Rev. Gen. PI. 158. 1891. 

 In dry soil, Indian Territory to Texas and Arizona. 



4. Acuan velutina (Scheele) Kuntze. 



Desmanthus velutinus Scheele, Linnaea, 21 : 455. 1848. 



Acuan velutina Kuntze, Rev. Gen. PI. 158. 1891. 



In dry usually calcareous soil, southern and western Texas. 



5. Acuan depressa (H. & B.) Kuntze. 



Desmanthus depressus H. & B. ; DC. Prodr. 2 : 444. 

 1825. 



Acuan depressa Kuntze, Rev. Gen. PI. 158. 1891. 



In sandy soil, near the coast, Florida to Texas and Mexico. 



6. Acuan acuminata (Benth.) Kuntze. 



Desmanthus acuminatus Benth. Lond. Journ. Bot. 4: 

 357. 1842. 



Acuan acuminata Kuntze, Rev. Gen. PI. 158. 1891. 

 In sandy soil, southern Texas. 



