NATURAL SCIENCES OF PHILADELPHIA. 75 



11 On low mountains." 480. A. ovalifolia, Decaisne, Gray, Man., 1862, var. 

 481. A. verticillata, L., a common dwarf variety of the region, only three or 

 four inches high. 



NYCTAGJNACEJS. 



482. Oxybaphus angustipoltits, Sweet; the same as Fendlera 745. ^83 . 

 O. nyctagineus, Sweet, with the upper leaves nearly sessile ; both glabrous 



* * mm " ' fragrans, Nutt. 573. A. cyoloptera, Gray. 



GHBNOPODIACBiE. 



484. Obione argentea, Moq. The same as 574 of Wright, and 708 of Fend- 

 le£"**485. Chesopodium hybridi-m, L. "Low mountains ; rare." 486, Mon- 

 olepis Nuttalliana, Mo<j. (487. See Amarantacea*. ) 488. CiieTSpodina 

 depressa, perhaps also C. prostrata, Moq. " South Park, and on the plains." 

 The root is annual. 489. C. maritima, var. trecta, Moq. 30S. Obione 0*9**- 

 CEifB, Moq. — * 



' AMARANTACEiE. 



Frgblichia (Oplotheca, Nutt.) Florida* a, Moq. "Sand hills, on the 

 plains."* 



POLYGONACEJE. 



49a Polygonum Bi*torta, L., var. oblongifolium, Meisn. 491. P. vivi- 

 parum, L. 492. P. tenue, Miehx., in several* varieties, one of them (Parry's 

 No. 322a of 1862) from the alpine region, only two or three inches high, with 

 oblong or oblong-lanceolate leaves, appears to be to P. tenue what P. avicuiare, 

 var. nanum, Boiss., is to the ordinary P. aviculare.f 493. P. ( UK tatdm, 

 DougL, var. minus, Meisn.; a depauperate form? "Blue River, on the / 



western slope of the Rocky Mountains." 494. Oxyria digy.va, R. Br. 495. 

 Rumex venosus, Pursh. 496, 498. R. sALiciFours, Weinm. 497. R. 

 maritimus, L. "Subalpine, and on the plains of Nebraska. ' : 4M? R. 

 loxgifolius, DC. (R. Hippolapathum and R, domestic**, Fries. Extends into 

 the mountains; very common. 5U&. Eriogoncm: alatl^, Torr. 501. E. 



annuum, Nutt. 502^ E. effusum, Nutt., with rose-colored flowers. 503. E. 

 cerxcum, Nutt. 504? E. umbellate, Torr., both with straw-colored (Parry's 

 318,) and with deepVellow flowers (Parry's 315). 505. E. flaycm, Nutt., a 

 low form from the alpine region, and a large variety (var. eras si folium, Benth.) 

 from a less elevated region. 



EL^lAGNACEiE. 

 50§. Shepherdia Canadensis, Nutt. "Subalpine pine woods." 



SANTALACEJB. 



507. Comandra pallida, var. ang US ti^olia } A. DC. C. angusti folia, Nutt.. 

 ined. 



LORANTHACEJE. 



574. Arceuthobium ca.mpylopodcjm, Engelm. Probably only A. Am<ricanum, 

 Nutt. 



.EUPHORBIACEiE. 



jg- Euphorbia marginata, Pursh. 5C»9, (also 438 of Parry) E. Montana, 

 EngeTm. 5JJ). E. dictyosperma, Fisch. and Mey, *T>11. E. hexagona. Nutt. 



* On the plain-, in similar situations, Mr. Hall collected Amblogyne ( Sarrat ) Torrtyi Gray, in 

 Proceed. Amer. Acad., 5, p. 169, the narrow form, noted in H. Eiurelmann's c ction. Parry's 

 referred doubtfully to M<mtclia. is probably the male of this 



follows 



r, referring all the forms of No. 492 to i 

 majus; nucibus majoribus (sesquilineam 



them as 



PERM UK I 



minus, gracihns; nucibus vix hneam longis. y. latifouvm; humile; foYiia oblongis; spi< w irc- 

 tatis ; bracteis superioribus (aristo destitutis) muticis. Meisuor, in the Prodromus, is wr,oi*g in 

 saying that the nuts are gubopaque or rough on the edge: they are perfectly smooth and shining 

 with concare sides and an acuminatioo " 



1863.] 



