AN ACCOUNT OF THE GENUS AKGEMONE. 



863 



Scirpus cernuus Vahl. Llanbedr ; flats near Moechras. — S. 

 TaherncRinoyitani Gmel. Salt-marsh near Moechras. — S. rufiis 

 Schrad. lb. 



Rh;/ncospora alba Valil. Near Cwra Bychan. 



Carcx remota L. Ehydymaen. — C. pallescens L. Khydymaen. 

 C. Uevifjata Sm. Ehydymaen ; Drwsynant. — C. distans L. Salt- 

 marsh by Moechras. — C. Honischuchiana Bab. Ehydymaen. — 

 C. extensa Good. Salt-marsh by Moechras. — C.fiava L. Ehydy- 

 maen. — C. rostrata Stokes. E. of Llanfair. 



Milium effumm L. Woods N.E. side of Llanbedr. — Poa com- 

 pressa L. Walls, Corwen. 



Ar/rop!/ron jimceum Beauv. Llandanwg. 



Lomaria Spicant Desv. A plant with fronds branching above 

 seen at rocks one mile N.E. of Drwsynant Station. — Asplcnium 

 AdianUmi-nignim L. Cwm Bychan ; Llanbedr. — A. Trichomanes 

 L. Common at Ehydymaen. 



Lastrcta Oreopteris Presl. Drwsynant. 



Equiseturn sylvaticiim L. Ehydymaen. 



Lycopodium Selar/o L. and L. alpinum L. On Aran Mawddwy. 



Selaginella selaginoides Gray. Plentiful on Aran Mawddwy. 



AN ACCOUNT OF THE GENUS AEGEMONE. 



By D. Pkain. 



{Concluded from p. 333.) 



5. Argemone intermedia Sweet. Glabra glaucescens, ramis 

 ascendentibus vel erectis gracilibus undique sparse foliosis cauleque 

 inermibus vel aculeis patentibus armatis ; foliis herbaceis sinuatis 

 margine cnicoideo-spinosis, venis albidis ; floribus inter bracteas 

 1-2 versus apicem ramorum plus minus elongatorum (var. typica) 

 vel perbrevium (var. stenopetala) dispositas singulis terminalibus ; 

 sepalis sub apicem in cornu crasse coriaceum pyramidale l^eve vel 

 aculeis perpaucis obsitum (var. typica) vel teretiforme Iseve (var. 

 stenopetala) productis ; petalis albis vel raro albo-roseis oblongis 

 basi augustatis apice (var. typica) truncatis vel rarissime rotundatis, 

 vel (var. stenopetala) acutis ; capsula late fusiform! 4-valvis, stylo 

 distincto ; valvis tenuibus reticulatis aculeis subtequalibus, vel 

 medianis plus minus crassioribus, basi vix dilatatis obsitis ; semini- 

 bus globosis minoribus distincte reticulatis. 



Var. typica: floribus ssepissime maguis vel majusculis, petalis 

 apice truncatis vel rarissime rotundatis, sepalorum cornubus latis 

 coriaceis, ramis floralibus elongatis. Argemone alba James, Long's 

 Exped. ii. 149 (1823) [nomen prius sed prsoccupatum] . A. inter- 

 media Sweet, Hort. Brit. ed. 2, 685 (1830). A. corymbosa Greene ? 

 Bull. Calif. Acad. ii. 59 (188G). A. mexicana James, Am. Phil. 

 Sac. Trans, ii. 183 (1825) ; Torrey in Emory, Bep. 406 (1848) ; 

 Engelm. Wislizen. Rep. 112, in parte (1848) ; Torrey & Gray, Pac. 

 R. Rep. iii. 159 (1865); Torrey, Mex. Bound. Hep, 31, omninol 



