238 ON THE APOCINE.E. 



Stamina exserta. Filamenta medio v. juxta basin tubi 

 inserta, filiforioia. Anther <b sagittatae, medio stigmati 

 cohaerentes, lobis posticis polline destitutis. 



Ovaria 2, v. 1, biloculare. Stylus 1. Stigma dilatatum. 



Squama 5, hypogyuae, distinct®, v. connatae. 



Follicidi 2, distincti, v. cohaerentes. 



Habitus. Frutices volubiles. Folia opposita. Mores 

 65] cymosi, v. racemosi, racemis saepe compositis, terminates 

 v. interpetiolares, parvi, colore in variis vario. 



Pataia. America Meridionalis et Australasia. 



Obs. The American species of this genus, viz. Echites 

 corymbosa Jaca. floribunda Sw. and spicata Jacq. differ 

 considerably from the rest, which are natives of New Hol- 

 land and New Zealand. Among these, the only published 

 species is Periploca capsularis, For st. prod. n. 126. When 

 the fruit of all has been examined, they will probably be 

 divided in the following manner : 



f Americana. Ovariis duobus. Folliculis distinctis. 

 tf Australasienses. vario biloculari. Folliculis longi- 

 tudinaliter cohaerentibus. 



The genus is named in memory of Dr. James Parsons, the 

 author of a Dissertation on the Analogy between the Pro- 

 pagation of Animals and that of Vegetables, and of an 

 unfinished work, entitled, " The Microscopical Theatre of 

 Seeds." The Parsonsia of Brown, which Linnaeus reduced 

 to Ly thrum, is a species of Cuphea. 



60] LYONSIA. 



Char. Corolla infundibuliformis, fauce tuboque esqua- 

 matis, limbo 5partito, recurvo, laciniis aequilateris : aestiva- 

 tione valvata. 



Stamina exserta. Filamenta medio tubo inserta, fill— 

 formia. Anther <b sagittatae, medio stigmati cohaerentes, 

 lobis posticis polline vacuis. 



Ovarium biloculare. Stylus 1, filiformis, apice dilatato. 



Stigma subconicum. 



