112 BOTANY. 



(399j. Leaves oblong to subcordate, obtuse, creuately serrate, covered with 

 a white tomentum beneath, and very veiny. 



Fallugia* paradox a, Endl.— Shrubs 2-5° high, with young- branches 

 white; leaves £-l£' long; leafless brandies terminated by the whitish 

 Bower, which is an inch or more in diameter, or later by the dense head of 

 carpels with thin, woolly styles. ' Calyx-lobes acute and usually reflexed 

 after the petals fall.— Santa Fe 58), and Arizona, Loew. 



Geum macrophyllum, Willd.— Colorado (380) ; Utah ; Loew, in Ari~ 

 zona. 



Geum triflorum, Pursh. — Colorado (394). 

 Geum rivale, L. — Colorado (381). 



Geum Rossii, Seringe. — Colorado, alpine, reaching as high as 13,5'00 

 feet (385, 387) ; Utah. 



Fragaria Virginiana, Duchesne.— Colorado (402). Var. glauca, 

 Watson. 



Potentilla glandulosa, Lindl., var. Nevadensis, S Watson.— (379.) 

 Collected in Colorado in 1873. It is a true P. glandulosa, Lindl., and hence 

 the same as P. fissa, Nutt, differing from the above only in having more 

 flowers in its less compact cyme. The Survey has it also from Utah. 

 Potentilla rivalis, Nutt.— South Park (373). 



Potentilla Pennsylvania, L.— South Park and Twin Lakes, Colo- 

 rado (374, 375); Utah. 



Potentilla Hippiana, Lehm. — W T hite tomentose throughout, 1° high; 

 leaflets 7-11, decreasing regularly in size from the terminal one down, J-1' 

 long, deeply and sharply serrate; 1-2 smaller leaves on the stem; bract- 

 lets a little shorter and petals a little longer than the sepals. Flowers 

 yellow; styles terminal, filiform; carpels glabrous.— Colorado (367, 209) 

 jiihI Arizona (220). 



* Fallugia, Endl.— Tube of the persistent calyx obconic-bemiepberical. At tbe apex 5-bractec- 

 Ute : lobes :>, ovate ; apex 3-dentate, or 3-cuspdate, imbricated. Petals 6, large, obovate-rotimd. Stamens 

 mam. inserted in a dense Mold series ; filaments filiform, united info a ring at tbe base; anthers small. 

 Torus silicate, villous, many carpels on tie small conical ieceptaclc; style terminal, villous j stigmas 

 small, a single ascending ovule in tbe base of the cell, tbe many villose achenia terminated by Very 

 Ion-, plumose styles. Seed erect : testa membranaceous ; cotyledons linear-oblong; radicle inferior— An 

 erect, much branched shrub, with virgate brancblets. Leaves alternate, petioled, irregularly :;-r.-d. ft or 

 pinnatifid. BUpnlee adnate to the petiole. Flowers solitary on the apex of the branches. „i sub-panicu- 

 late on elongated, leafless branches, bractless, rather large.— Bkntham & Hooker. 



