70 



ONAGRACEAE. 



CENOTHERA L. Sp. PL 346 (1753). 

 CEnothera Drummondii Hook. Bot. Mag. /. jj6i ( ). 



Growing in sand on the beach at Corpus Christi. Stems always pro- 

 cumbent, flowers about two inches in diameter, opening just before dark. 

 Called " Buttercups." 



March 27 (1512) ; type locality, Texas. 



XYLOPLEURUM Spach, Hibt. Veg. 4: 378 (1835). 

 Xylopleurum roseum (Ait.) Raimann, in Engler & Prantl. Nat. Pfl. 

 Fam. 3: Abt. 7, 214 (1893). 



CEnothera rosea Ait. Hort. Kew. 2: 3 (1789). 

 On the banks of the San Antonio, growing in grass. Found only in 

 fruit. 



May 5, (1703). 



MEGAPTERIUM Spach, Hist. Veg. 4: 363 (1835). 

 Megapterium Missouriensis (Sims) Spach, Hist. Veg. 4 : 364 



CEnothera Missouriensis Sims, Bot. Mag. /. 1592 (1814). 

 CEnothera macrocarpa Pursh, Fl. Am. Sept. 734 (1814). 

 On rocky hillsides and lower summits about Kerrville. A night 

 bloomer, but the large yellow flower, three inches in diameter, can still 

 be found early the next morning. 

 April 23 (1629). 



MERIOLIX Raf. Am. Month. Mag. 4: 192 (1818). 



[CALYLOPHUS Spach, Hist. Veg. 4: 349 (1835).] 

 Meriolix serrulata (Nutt.) Walp. Rep. 2: 79 (1843). 

 CEnothera serrulala Nutt. Gen. 1 : 246 (1818). 

 Calyhphus Nuttallii Spach, Hist. Veg. 4: 350 (1835). 

 At Corpus Christi in low dry ground along the beach, but not plenti- 

 ful. 



April 2 (1517); type locality, "from the river Platte to the moun- 

 tains." 

 Meriolix spinulosa (Nutt). 



CEnothera spinulosa Nutt. ; T. & G. Fl. N. i : 502 (1840). 

 Meriolix serrulata var. spinulosa. Walp. Rep. 2 : 79 (1843). 

 CEnothera serrulata var. pinifolia Engelm. ; A. Gray, Bost. Jour. 

 Nat. Hist. 6: 189 (1850). 



