354 



Ordo GGI. EMPETRAGEAE. 



{Empetreae Nutt. — Endl. Gener. plant. p. 1105. [Suppl. III. p. 97.] — Meisn. Gen. plant. 

 vascui. I. 336. II. 249.) 



5760. COREMA Don. 



(Don in Edinb. New pbilos. journ. II. 63. — A. Gray, Mem. of the Americ. acad. of arts 

 (Xew Ser.) III. tab. 1.) 



Flores dioici seu polygami, capitati, singuli bracteolis nerape squamis 

 5 — 6 membranaceo-scariosis concavis bi — trifariam imbricatis suffulti. 

 Perigonium proprium nullum. Mas.: Stamina tria rarius quatuor, fila- 

 menta filiformia, antherae versatiles subgloboso -didyraae biloculares, 

 loculis per rimam longitudinaliter dehiscentibus. Pistilli rudimentum 

 saepissime nullum. Foem.: Ovarium obovoideum triloculare, raro quin- 

 que — sexloculare, loculis uniovulatis; ovulum anatropum ex angulo 

 interno erectum, stylus tenuis breviter exsertus , apice trifidus, nunc 

 quadri — quinquefidus, laciniis subulatis palentibus, saepius uni — biden- 

 tatis, intus stigmatosis. Discus hypogynus (ut in ordine) plane nullus. 

 Hennaphrod. Pistillum fl. foeminei. Stamina tria, omnia antherifera, vel 

 1 — 2 ad mera vestigia reducta, antherae saepius dimidiatim unilocu- 

 res. Drupa parva subglobosa sicca (epicarpio pertenui) tripyrena, nunc 

 tetra — pentapyrena, pyrenis cartilagineis semine erecto impletis. 

 Embryo gracilis, in axi albuminis carnosi orthotropus, eodem brevior, 

 radicula infera, cotyledonibus brevissimis. — Fruticuli ericoidei depressi 

 ramosissimi diffusi : foliis ternatim v. quaternatim verticillatis sparsisve 

 confertis patentibus linearibus, sub lente hispidulo-scabris convexo- 

 planis, subtus sulco profunde exaratis. Flores in capitula terminalia 

 multibracteata digesti, singuli in axilla bracteae aridae squamaeformis 

 arcte sessiles. Squamae fulvae, stamina longe exserta stylique rubi- 

 ginosi. (Charact, amplificat.) 



1. ■ C. ALBUM Don 1. c. — A. Gray ex Flora (B. Z.) XXXII. 692. — Empetrum album Linn. 

 Spec. pl. 1450. 



2. C. CONRADI Torr. mss. in A. Gray, Manual of the bot. of the Unit. Staates 410. — 

 Diffuse ramosum glabriusculum : drupis minimis ; foliis sparsis v. subverticillatis 

 anguste linearibus. — A. Gray, Chloris Boreal. Americ. tab. 1. 8c Flora (B. Z.) XXXH. 

 692. — Oakesia Conradi Tuckerm. — Hook. Icon. pl. tab. 531. — Tuckermannia Con- 

 radi Kltzsch. — Empetrum Conradi Torr. — Habitat in pinetis siccis Americae sep- 

 tentnonalis. 



