38 



here for the first time from Louisiana. Previous known distribu- 

 tion according to Small, Pennsylvania to Kentucky, Georgia and 

 Alabama. Polygala cruciata is very much more robust than in 

 the eastern part of the State, and has an inflorescence two to 

 four inches long instead of half an inch to an inch. It is probably 

 the form Polygala cruciata ramosior Nash. 



Panicum. 



The following species of Panicum are recorded as additions 

 to the flora of Louisiana : 



Panicum alhomarghiatum. 

 Panic um u n c inaUim. 

 Panicum inflafum. 

 Panicum stipitatum. 

 Panicum alhomarginatuvi Nash, has also been collected by 

 the writer in St. Tammany parish, where it is one of the first 

 grasses in the spring to bloom. Previous know distribution, ac- 

 cording to Small, "peninsular Florida." 



Panicum stipitatum Nash. 

 Fairly common in the open prairies of Lake Charles in 

 damp places. Previous known distribution aecording to Small, 

 "New Jersey to Pennsylvania to Kentucky, Tennessee and 

 Georgia. ' ' 



Panicum unciphijllum Trin. 

 Collected near Alexandria. Also collected near Covington. 

 Father rare. Previous known distribution, according to Small, 

 "Maine and Quebec to British Columbia, Georgia, Indian Ter- 

 ritory, and Arizona." 



Panicum inflatum Scrih and Smith. 

 Occasional on the dry prairies. Previous known distribution, 

 according to Small, "Mississippi." 



Homalenchrus hexandrus (Sw.) Knntze. 

 This grass is exceedingly abundant in the wet places along 

 the Southern Pacific railroad. It is one of the most conspicuous 

 species of the region as seen from the train. The following other 

 species of Homalenchrus were also collected in this region: 

 Homalenchrus Virginicus (Willd) Britton. 

 Homalenchrus oryzoidcs (L.) Poll. 

 Homalenchrus lenticularis (Michx) Scribn. 



