309 [Mann. 



Dr. Elliot Cones of Washington, D. C, and Coleman T. 

 Robinson, Esq., of New York, were elected Corresj^onding 

 Members. 



Messrs. H. W. Fisher of Brookline, and C. F. Dunbar of 

 Boston, Avere elected Resident Members. 



April 4, 1866. 



The President in the chair. 

 Forty-three members present. 

 The following papers were presented : — 

 Description of some new Species of the Genus Schiedea, 



AND of an allied NEW GeNUS. By H. MaNN. 



ScniEDEA Cham, et ScJdecL, Char. Gen. Emend. 



Calyx quinquepartitus, perslsteus. Corolla nulla. Staminodia sub- 

 petaloidea 5, hyalina, sepalis opposita. Stamina fertilia 10, imo 

 calyci inserta, quhique sepalis opposita cum basi staminodiorum 

 accreta, quinque alterna breviora. Styli filiformi 3, rarius 4-5-7. 

 Ovarium uniloculare ; ovulis plurimis columellae centrali afRxis. Cap- 

 sula trlvalvls, raro 4-5-7-valvis. Seuiina plurima, estrophiolata. 

 Embryo annularis, albumen farinaceum cingcns. — Suffrutices vel 

 herbje perennes, Sandwicenses, oppositifblii, exstipulati ; cymulis tliyr- 

 soideo-congestis vel effuse paniculatis, raro eyma pauciflora. 



CONSPECTUS GENERIS. 



§ EuscniEDEA. Filaraenta capillaria. Styli 3, rarius 4-5, intus stig- 



matosi. — Flores parvi, thyrsoideo-congesti vel effuse paniculati. 

 * Panieula deliquescens, effusa: sepala acuminata: folia uninervia. 

 -1- Staminodia apice bifida: filamenta longe exserta. 



1. S. NuTTALLii Hoolc. 



2. S. DIFFUSA Cra?/. 



•i- -J- Staminodia lanceolata, acuminata : filamenta calycc breviora. 



3. S. AMPLEXICAULIS Sp. UOV. 



4. S. STELLARIOIDES Sp. ilOV. 



