98 Mr. Geyefs Plants of Illinois and Missouri. 



this undecided. If our plant should prove distinct, I would sug- 

 gest the name M. injlexa, adopted by me long since. I add the 

 distinguishing characters of the European, the Western, and a 

 nearly related Texan species. 



Myosotis stricta (Link): calycibus profunde 5-fidis, laciniis 

 subasqualibus linearibus obtusiusculis ; calyce fructifero clauso ; 

 racemis basi foliatis ; pedicellis frucliferis calyce brevioribus ; 

 tubo corollas incluso; nucibus minimis. — M. arvensis, Reichenb., 

 non Link, Lehm., Ehrh. 



Europe. — Nuts grayish olive, very small, equal in size to the 

 black nuts of M. versicolor. 



M. injlexa (n. sp.) : calycibus 5-fidis, laciniis calycis fructiferi 

 erecto-conniventibus inasqualibus 2 inferioribus longioribus om- 

 nibus lanceolatis acutis albo-hispidis ; racemis basi foliatis ; pedi- 

 cellis fructiferis calyce subbrevioribus basi erectis adpressis me- 

 dio inflexis horizontalibus ; tubo corollas incluso ; nucibus mediis 

 M. verna, Nutt. ? 



Missouri and Illinois, dry prairies, open woods. April and May. — 

 Annual or biennial ? Calyx bilabiate ; nuts twice as large as in the 

 foregoing, of same color, equal in size to the black nuts of M. in- 

 termedia, Link. 



M. macrosperma (n. sp.): calycibus 5-fidis, laciniis calycis fruc- 

 tiferi ovatis triangularibus acutis 2 inferioribus 3 superiores du- 

 plo superantibus, omnibus erecto-conniventibus flavo- s. ferrngi- 

 neo-hispidissimis ; racemis basi subfoliatis ; pedicellis fructiferis 

 calyce brevioribus basi adpressis; calycibus horizontalibus; tubo 

 corollas denique calyce longiore ; nucibus maximis. 



Texas, prairies, April. F. Lindheimer. — Nuts of same color 

 as both others, but twice as large as those of the last, and larger 

 than those of any European species examined by me; uncinate 

 hairs of the calyx very long, stiff, spreading in all directions ; 

 flowers not so crowded as in both the foregoing species. 



87. Phacelia Purshii, Buckley, in Sill. Journ. xlv, 171. 



88. Physalis Pennsylvanica, Linn. Some of the specimens 

 have smooth, and others pubescent or hairy calyces ; these last 

 ones constitute the P. lanceolata, Michx. 



89. Pentstemon pubescens, 



Linn, 



90. Collinsia verna, Nutt. 



91. Gratiola aurea, Muhl. ? 



92. Hedeoma pulegioides, Pers. 



93. Hedeoma hispida, Pursh. 



94. Pycnanthemum pilosum. 



Nutt. 



