633 



marginal fls pist and with a sh tubular 

 cor; other more num fls stam (ova and 

 stig abortive), with runnelform 5-lobed 

 cor and undivided sty: anth nearly dis- 

 tinct: inv-scales few, com in 1 sr united 

 into a cup: receptacle chaffy with lin- 

 ear or spatulate scales subtending ster- 

 ile fls: ak obovate, thick, naked, oft 

 granulate; no disk at apex: Ivs simple, 

 at least some of lower opp: hds sm, 

 nodding on sh pedicels, either in axils 

 of Ivs, or in terminal spk or panicles. 

 IVA AXILLARIS Pursh. 

 Pursh. Fl 2:743. B 1:343. Z 2:357. Brit- 

 ish Am. SD Co (Parish 1018). 



Per, branching, span to 1% hi, vary- 

 ing from minutely hirsute to glab, and 

 the sessile entire Ivs from broadly lin- 

 ear to spatulate or obovate (!' lg): hds 

 solitary in their axils, hemispherical: 

 inv-scales about 5, broad, united at 

 base or beyond the middle. 

 Variety FUBESCSITS G. bot Wilkes exp 

 350. B 1:343. Villous with lax spread- 

 .ing hairs: inv turbinate, almost entire. 



British Columbia; SD Co (Parish 1018). 

 IVA HAYESIANA A. Gray. 

 G 11:78. P 1:204 Cedros. B 1:615. SD 

 Co! Baja! 



Herbaceous from woody base, 1-3 hi, 

 erect, paniculately much branched: cau- 

 line Ivs opp. spatulate-oblg, very ob- 

 tuse 1-2' lg, base nar'ed into a distinct 

 petiole Ivs of branches alt, gradually 

 passing into linear bracts, uppermost 

 hardly surpassing the hds: hds rather 

 crowded in panicled spk: inv of 5 

 rounded and completely distinct imbri- 

 cated scales. 



Genns IVKSIA Torrey A Gray. 



IVESIA BAILEYI S. Watson. 



Wat. bot king 90. 448. B 1:184. P 1:105 



.1* P-te' ' 



Viscidly pubescent: sts slender, 6' hi: 

 Ifts 3-10 pairs, cuneate-obovate. 3-7- 

 toothed or parted: f.s on slender pedi- 

 cels in a diffuse panicle: ex 1%" lg, 

 exceeding the y spatulate pet: sta 5: 

 carpels 1-5. W. Humboldt mts, Nev. 

 Baja mts! 



Potentilla baileyi Greene, pitt 1:106. 

 Variety SETO3A Wa. bot king 90. B 1 : 

 184. Lfts all parted, lobes setoselj- tip- 

 ped: more glandular-hairy. E Humboldt 

 mts, Nev. 



I. PEPAT'PERATA G B 1:184. P 1:105 

 as Potentilla d. SF mts. Ar. 

 I. GORDOXT T & G. Pac Ry R 6:72. B 

 1:183. G 6:530. P 1:106 as Potentilla G. 

 Variety PVQMAEA Wat. B 1:183: 

 "1-2' hi or less, glandular, hirsute; Ifts 

 very sm. crowded: sta sometimes 10." 

 P 1:196 as Potentilla decipiens. (I. pyg- 

 maea G 6:530.) 



I. I.YCOFODIOIDES G (vide Gordoni 

 "nearly slab: Ifts still more crowded 

 and imbricated, thick and rounded." (I. 

 lycopodioides G 6:530.) 



f. GRAPH, TS T & G. Pac Ry R 6:72 t 

 11 '1857). B 1:184 (Potentilla Newberryi 

 G 6:532. P 1:105.) 



I. KINGIT Wat bot king 90, 448. B 1:184. 

 P 1:1^5 as Potentilla K. 

 T. LEMMONI Wat 20:365. P 1:104 as 

 Potentilla L. 



634 



I. XiYCOFODIVTDES G (vide Gordoni 

 var). 



I. MUIRII G 8:627. B 1:183. P 1:106 as 

 Potentilla J. 



I. PICKERINGII T, bot Wilkes exp 288 

 t 4 (1862). G 6:531. B 1:182. P 1:105 

 as Potentilla P. 

 I. PINZTATIFIDA Wat 20:364. 

 I. PYGMAEA G 6:531. B 1:183 as Gor- 

 doni var. P 1:106 as Potentilla decipiens. 

 Z. SANTOLTNOIDES G 6:531. B 1:183. 

 Z 2:162. P 1:106 as Potentilla s. SBer 

 Co (Parish 1819). Mt Brewer. Lake 

 Tahoe. 



I. TRIDENTATA G 7:338. B 1:182 as 

 Horkelia t. P 1:105 as Potentilla Tilingl. 

 IVESIA UNGUICULATA A. Gray. 

 G 7:339. B 1:183, 2:444. P 1:105 as Po- 

 tentilla u. SBer mts (Parish 151). Yo- 

 semite. 



S Ber mts (Parish 151) : Yosemite. 

 T. UTAHENSIS Wat 17:371. P 1:162 as 

 Potentilla I*. 



I. WEBBERI G 10:71. B 1:183. P 1:105 

 as Potentilla W. 



JACOBINIA Moric PI Nouv Am 156 t 

 92 (1846). 



J. CALIFORNICA Nees in DC 11:729. 

 B 1:589 as Beloperone Cal. 

 JAMESXA T & G Fl 1:593 (1840). 

 J. PAFCIFLORA Nees in Neuwied. 

 Reise N Am 2:442 (1844). B 1:428 as 

 Stephanomeria minor. 

 JEFSO??TA Small. 



J. FABBTX Small. Torr cl b 23:18 (Ja 

 1896). based on Saxifraga P. 

 J. MATjVAEFOilA Small. Ic 19. based 

 on Saxifraga m. 



Genus JAUMEA Peru. 

 JATJMEA Pers. Syn 2:397 (1807). A 1: 

 246 d. 



J. CABNOSA G. B 1:372. P 1:90, Mig. 

 \b 4^6. B 1:392. Da 9. Z 2:359. A I: 

 246 d. 



Salt marshes. British Columbia to Mex- 

 ico. 



Genus JUGL.AXS Linnaeus. 



L. Gen ed 1. 291 (1737). 



jrGLANS CALIFORNICA S. Watson. 



Wit. A l:96d. Ab 97. Da 16. M 1:50 as 



major. 



.1. MAJOR M 1:50 based on rupestris 



variety major T. Calif^ r n?cns? 



J. BTJFE3TBIS E. in T. Sitgr r 171 t 15. 



R "-93 



Variety MAJOR T. Sitgreave R 171 t 16 

 MftK4). M 1:50 a* sp. 

 JT/lTCOrDES COMOSTTM Sheldon. 



Luzula comosa Meyer. 

 Variety MACBANTHEBTTM Parish. 



Parish. Er 3:59. "Seeley's Flat, alt 

 5000. SBer mts." Based on Luzula 

 roTT>rs=a macranthpra Wat. 

 J. ST7BCOXGESTT7M M 1:105. 



Genus JUNCUS Unnaeo*. 



L. syst ed 1 (1735). 



Per or sometimes fnn, glab plants, 

 growing com in marshes or wet places, 

 with simple terete or flattened, com 

 pithy sts: Ivs terete, channelled or flat: 

 fls solitary or clustered in cvmes. pan- 

 icles or hds. er'ish or brownish: sta 6 or 

 3: cap 3-celled. or 1-celled with 3 par- 

 ietal placentae, many-seeded. Rush. 

 J. ACTTMTNATTTS Howell, B 2:209 as J. 



