Rydberg : Notes on Philotria Raf. 465 



Leaves 5-8 mm. long; sepals and petals 1—1*5 mm - l° n g. 



P. minor. 



Staminate spathe peduncled 



Staminate spathe avoid, abruptly contracted at the base ; sepals. 2. 5 mm. long; 



petals present. 



P. linearis. 



Staminate spathe obovoid, tapering at the base ; sepals of the staminate flow- 

 ers 5 mm. long ; petals lacking. P. Planchonii. 



The synonymy would be as follows : 

 Philotria canadensis (Michx.) Britton, Science II. 2 : 5. 1895. 



Michx. Fl. Bor.-Am. 1: 20. 1803. 



gt. Ann. & Mag 



1: 85. 1848. 



latifolia Casp. Jahrb. Wiss. Bot. 1 : 467. l8 58- 



Philotria Nuttallii (Planch.) Rydb. [S 



84. 1813. 



Serpicula verticillata M 



Not 5. verticillata L. f. 1781. 

 Udora canadensis Nutt. Gen. N. Am. PL 2: 242. 18 18. 



Anacharis Nuttallii Planch. Ann. Sci. Nat. Bot. III. 11: 74- 

 1849. 



Philotria angustifolia (Muhl.) Britton ; Rydb. Bull. Agr. 

 Exp. Sta. Colo. 100 : 15. 1906. 

 Serpicula verticillata angustifolia Muhl. Cat. PI. Am. Sept. 



? 



f 



84- 1813. 



Serpicula occi 



Serpicula can 



Apalanthe Sc 



76. 1 849. 



1814. 



1829. [Ed. 5.] 



Ph 



nitdi Casp. Jahrb. Wiss. Bot. 1 : 468. 1858. 

 il °tria minor (Engelm.) Small. Fl. SE. U. S. 47- 19°3- 

 Udora verticillata ? minor Engelm. ; Casp. (synonym under 

 Anacharis Nuttallii) Jahrb. Wiss. Bot. I : 465- l8 5 8 - 

 "'lotria linearis Rydb. [See above.] 

 "ilotria Planchonii (Casp.) Rydb. [See above.] 

 Anacharis canadensis Planch. Ann. Sci. Nat. Bot. III. n : 



75- 1849. 

 UotUa Planchonii Casp. Jahrb. Wiss. Bot. 1 : 468. 1858. 



K «* York Botanical Garden. 



