MISSOURI BOTANICAL GARDEN. 
A. Br. and C. contraria Lindheimert A. Br. Braun- 
Nordstedt, Fragmente. 145. Type collection. 
C. rorTipa A. Br. Friederichsburg. 1847. Braun- 
Nord., Frag. 163. 
C. eymnopus A. Br. var. a ypreees A. Br. Frieder- 
ichsburg. Oct. 1847. (polyphylla) conjugens 
A. Br. Braun-Nord. ee 195. 
C.aymnorus A. Br. var. Humpoupti A. Br. Frieder- 
ichsburg. Oct. 1847. C. Humboldt A. Br. A 
polyphylla Humboldtii and C. polyphylla Muhlen- 
bergit A. Br. Pl. Lind. 1:56. Braun-Nordt., 
Frag. 195. ; 
NITELLA PRAELONGA A. Br. L. xx. Three Creeks 
between the Upper Guadalupe and the Piedernales. 
July 1848. 
Riccia FLurrans L. ‘On the muddy bottom of Co- 
male Creek under water.” 1847. 
