131 



in Gra_v"s Manual, rtth Ed., the name used in the latter work is given in parenthe- 

 sis as a synonym. 



1. Botrychium ternatum obliqumn Milde. Grape Fern. 



Found in a few localities in Vigo county. Distinguished from the 

 other forms of the species by its height, 10 to 14 inches, its more compound 

 fruiting portion, and the oblong divisions of the sterile segment, which are 

 very oblique at the base. 



Recorded in the State Catalogue from Jeflferson county. 

 *2, Eijuisetum fluviatile L. Swamp Horse-tail. 



( E. limosum L.) 

 Found abundantly in the shallow water around the margins of the 

 Goose Pond in Vigo county. Not given in the State Catalogue, nor in any 

 of the published lists, but recorded in Botanical Gazette from Lake County. 



May .!. 

 *3. Pofamo[/eton diveri^ifolius Raf. Pond-weed. 



(P. hyhridus 'Slichx.) 

 Frequent in a pond south of Fair Ground, Vigo county. Oct. 3, 1889. 

 The first Indiana record. 

 *4. Potamogeton spiriltus Tuckerm. 



Occurs sparingly in the Five-Mile Pond, Vigo cnunty. July 19. 

 The first record. 

 5. Zannichellia paliislris h. Horned Pond-weed. 



This species grew in abundance in the pond south of the blast furnace 

 at Terre Haute in the years 18S9-!'.>. The surface of this pond seldom froze 

 in winter on account of the warm stream of water from the furnace fiowing 

 into it. Since the furnace shut down the pond has dried up and the plant 

 has disappeared. 



The first record fur the State. 

 *6. Echinodorus cordifoliinf {h.) Griseb. Upright Bur-head. 

 {E. roMralu--< Engelm.) 

 Several acres of this plant grew in 1890 on the site of Conover's Pond. 

 Vigo county, which had been drained the previous year. 



The first record, its range being given in Grays Manual, sixth edition, 

 as "Illinois to Florida, Missouri and Texas." 

 7. Panicum autviDnale Bosc. Diffuse Panicum. 



Freqixent in Vigo county, on sandy hillsides and banks along railways. 

 Recorded before by Higley and Raddin from the "' sand ridges south of 

 Whiting, Ind." 



