721 



Cespitose per, the prostrate and rt'ing 

 or ascending sts suffrutescent and more 

 or less branched below, 15-20 cm Ig or 

 more, from a sh, erect, woody st; Ivs 3- 

 foliate; Ifts 4-10 mm Ig, oft broader; 

 petiole somewhat stipular-dilated at 

 base; fls 6-10 mm broad, y, 1-3 on 

 elongated, axy peds which are sh- 

 bracteate at summit; pet obovate, twice 

 as Ig as ex, com emarginate; cap oblg, 

 1-1.5 cm Ig. Baja. 



OXYBAPHT7S L, Herit ex Willd, sp pi 

 1:385 (1797). 



O. FBOEBEXiII Behr, Cal ac pr 1:69. B 

 2:2 as Mirabilis Calif ornica. Cur 1:124 

 et Greene. Cai ac b 1:124 as Mirabilis 

 Froebelii. A 1:278 S. 

 O. GIiABRIFOIiIUS Vahl, En 2:40. 



y CSAS3IFOI.IUS Chosy. B 2:3 

 as Mirabilis Californica. 

 O. LAEVI3 Bth. B 2:3 as Mirabilis Cal- 

 ifornica "probably." A 1:278 S. 

 O. MUI.TIPLORUS T, Ann NY Lye 2: 

 "37. B 2:2 as Mirabilis m. A 1:278 S. 

 OXYBAPHUS NYCTAGINEUS Sweet. 

 C'antilles (Or 1194). 

 Genus OXYGBAPHIS Bunge. 



Per herbs with crenate. dentate or 

 lobed, Ig petioled Ivs and sm y fls, soli- 

 tary or 2-7 together on scapes or scarje- 

 like ped: sep com 5. spreading, at 

 length decid: pet 5-15 with a nectar-pit 

 near base of each: sta and pistils num: 

 hd of fr oblg or oval or rarely subglo- 

 bose: ak compressed, longitudinally 

 striate, without a hard coat. 

 O. CAMSA^ABIA Prantl. 



Low, glab, spreading by runners: Ivs 

 mostlv basal, slender petioled, cordate- 

 oval or remform. cienave, 4-18 mm Ig; 

 scapes 3-12 cm Ig, sometimes bearing 1 

 or more Ivs at base; ris 1-7, 6-8 mm 

 broad; hd of fr oblg, 6-16 mm Ig, ak 

 compressed, somewhat swollen, distinct- 

 ly striate, minutelv sharp-pointed. 

 Ab 154. Mr-Jl. Frequent. 

 Ranunculus Cymbalaria Pursh. 

 Halerpestes Cymbalaria P 4:208. 

 OXYBXA Hill Veg syst 10:24 t 24 



O. DIGY2TA Campdera. B 2:7. Ha 74. 

 Alpine sorrel. A 1:365. Hill. Hort Kew 

 1 '. 8. 



O. BEITCFOBMIS Hook Fl Scot 111. B 

 2:7 as digyna. 



OXTSTYLIS T cV- Frem, R Frern app 

 212 (15 



O. :LTTTEA T & F. Ic. 313. M 4:61. B 1:53. 

 OXYTENIA Xutt. Phil ac .1 ns. 1:172 

 '1847). 



OXYTBNIA ACE-ROSA Nutt. 

 Nutt. Ic. B 1:343. Br Colo 230. 

 Dry plains, Colo: Cal deserts. 



GenuH OXYTHECA Nnttall. 



A 1:239 d. 



O. APICUIiATA Wat. B 2:32 (error for 



spiculata). 



O. DEWDBGrDEA Nutt. Phil ac J. ns, 



] -169 B -'-S-\ Parry. Wyo 4. Nev, Chili. 



OXYTHECA CARYOPHYLLOIDES Pry. 



Dav ac pr 3:2. A 1:79 fdr. Ha 74. 



OXYTHECA EMARGINATA Hall. 



A 1:80 fdr. 



O. B3BTIPI.OBA Greene,. Fl Fr 153. 



Jepson. Er 1:12. 14. 



O. INERMIS Wat 12:273. Cov 1 



1:78 as Eriogonum vagans. B 2:32. 



722 



OXYTHECA LUTEOLA Parry. 



A 1:80 fdr. 



OXYTHECA PARISHII Parry. 



A 1:19 fdr. 2 7 9 as Acanthocyphus P. Da 



OXYTHECA PERFOL1ATA T. & G. 



G 8:191. Cov 189. B 2:32. A 1:240. 



Utah; Nevada; Mohave; CD. 



Type locality: "Unionville, Humboldt 

 and Truckee valleys, on the borders of 

 the desert." Nev. 



OXYTHECA TRILOBATA A. Gray. 

 B 2:32. A 1:2 40d. 



Abrams, Fl LA 116. SBer and SD Co. 



SanBer Co (Parish 600). Ha U 76. 

 O. WATSOIsI T & G, B 2:32. Nev. 

 OXYPTEBYX 

 O. JLBEXXCOZiA I' 3:235. 

 OONOFSIS 



O. ENGEI,MAN2ffI P 3:45. 

 O. POI.IOSA P 3:'6. 



OXi'TROPIS DC P 3:209 as Arangallus 

 O. WABDI P 3:46. 



OXGTROPTS D^ P 3:2 rr > as Aragallus 

 ( Xecker.). 



O. ARCTICA R Br, App Parry Voy 278. 

 P 3:211 as A: a. G . 



O. CAMPESTR1S DC Astr 74. Parry, 

 Wyo 6. 7, 10, 11. P 3:211 as A: c. 

 O/FOETIDA DC, Astr 75. P 3:211 as 

 A: f. 

 O. GRANDIFLORA DC. Astr 71. P 3: 



210 as A: g. 



O. LAGOPrS Nutt, T & G Fl 1:340. 



Parry, Wyo r,. P 3:21:: as A: L. 



O. LAMBERTI Pursh, Fl 2:740. Ckl W 



5:11. P 3:212 as A: L. 



Variety BIGELOVII G 20:7. P 3:212 as 



A: B. 



Variety LILACINA Ckl W 5:11. 



Variety SERICEA Ckl W 5:11. 



O. LEUCANTHA Pers, Syn 2:331. P 3: 



211 as A: 1. 



O. MERTBNSIANA Turcz, Mosc b 1840. 

 68. P 3:211 as A: M. G 20:4. Bunge, 

 Oxytr 116. 



XT AX A DC, Astr 66. P 3:210 as 

 A: m. 



-A G 20:6. P 3:21- as 

 A: m. 



O. XAXA Xutt. T & G Fl 1:340. Parry 

 Wyo 17. P 3:212 as A: n. 

 O.'PARRYI G 20:40. P 3:211 as A: P. 

 O. SERICEA Xutt. T & G Fl 1:339. P 

 3:212 as A: >. 



O. SOXGARICUS DC. Astr 73. P P,:'^! 1 

 as A: S. 



O SPLENDENS Dougl, Hook Fl 1:147. 

 P 3: I'll as A: S. 



;r 68. P 3:210 



; :RTICILLARIS DC. Astr 88. P 3: 



211 as A: v. 



O. VISCIDA Nutt, T & G Fl 1:341. G 



^-l P 3:211 as A: v. Parry, PI Wyo 7. 



OXYTTBA DC ?-:693 (1836) Layia fide 



IK. 



O. CHBYSANTHEMOIDES DC Ic. B 1: 



370 a<5 T,: c. 



PACHYI.OFEU3 



P. I.OHGTPI.OBT7S M 4:40 based on 



Anogra 1 ( M 2 : 



PACHYPODIUM Lindl. bot reg t 1321 



(1830V 



[Nutt T & G Fl 1:96 (1838) =Thfelypo- 



dium fide IK.] 



P. INTEGRIFOLIUM Nutt. ex T & G 



Fl 1:96. B 1:37 s. A 1:114 as Thely- 



