1889.] NEW YORK ACADEMY OF SCIENCES. 73 



styles; embryo not seen. Fort Verde (179). Though ex- 

 hibiting some diverse characters, to be included in Section 

 CoryniboscB, Benth. 



Polygomim Bistorta, L. Mogollon Mts. (84). 



Polygonum emeksum (Michx.), P. amphibhim, L., var. emer- 

 sum, Michx. Flor. Bor. Amer. i. 240 (1803); P. coccineum 

 terrestre, Willd. Enum. 428 (1809); not P. ampliihium, var. 

 terrestre, Willd. Sp. PI. ii. 443 (1799) ; P. ampliihium, 

 var. Mulilenhergii, Meisn. in DC. Prodr. xiv. 116 (1856); 

 P. MuhUnhergii, Wats. Proc. Amer. Acad. xiv. 295 (1879). 

 P. terrestre, B. S. P. in Prel. Cat. Plants N. Y. (1888). 

 Kattlesnake Forks, Mogollon Mts. (93). 



Rumex Arizonicus, 11. s}}. Stem smooth, striate, a foot or 

 more high; leaves a foot long, obovate-spatulate, tapering 

 very gradually into the elongated and narrowly margined 

 petiole, the apex abruptly acuminate, slightly scabrous on 

 both surfaces; lower sheaths more than 0.8 in. long, mem- 

 branaceous; inflorescence spicate in the upper axils, dense; 

 perianth of three smaller outer and three larger inner sepals; 

 stamens six, filaments very short. Fruit not seen. Species 

 probably to be associated with R. hymeiiosepalus, but with 

 very different foliage. Fort Verde (300). 

 Oxyria digyna (L.), Campd. San Francisco Mts. (33). 



LORANTHACE.E, 



Arceutliohium cryptopodum, Engelm. Baker's Butte, on pine 

 (113). 



Plioradendronflavescens (Pursh), Nutt. Fort Verde, on cotton- 

 wood (164). A variety. 



PLATANACE^. 



Platanus Wrightii, Wats. Beaver Creek (352). 



EUPHORBIACE^. 



Miphorhiaa Ilomarginata, T. & G. Near Fort Verde (206). 

 EiipliorUa glyj^tosperma, Engelm. Fort Verde (155). Named 



by Dr. C. F. Millspaugh. 

 Enpliorhia Palmeri, Engelm. (?) Western base of San Francisco 



Mts. (13). 

 Croto7i Texensis (Kl.), Muell., Arg. Fort Verde (213). 



CUPULIFER^. 



Quercus undulata, Torr. var. Wrightii, Engelm. Tonto Basin 

 (142). 



