342 Mnlilenbergia, Volume 2 



TWO NEW COMPOSITAK FROM NEVADA 



Bv Harvey Moxrok Hall 



ChrysoUiaiiii.us gi*:iiuliieiis sp. iiov. 



E u(]'hc I cu 1 1 c 11 111! c. r.h'5 : crJilfs cuctis, ca. 300111. 

 alliy, ol.lji i--, siiiaii-, \)j>\ !'i nle:-c\ iitibus, usque ad apicein foliosis: 

 foliis ahen.is, scssilibus, lauccolati--, acuiiiinalis, 4650111. lon- 

 sris, o. s lou'.iij. ].'iiis, c b.i-i 2 •■"-".en-iis, "[labiis; maririne iute- 

 jT^ri?, .'cabii-: capi'-ulis jauci-, laxe raceuiosis, i-2-l)ractea!:is, 

 bracteis a: gn.sii.s aculis qufiiu iiiV(jhicio brc\i jiibus; jiedunculis 

 0.5 S cm. Kuioi--, ad axilir.s foiiormn oriuudi.s: invohicro c_vlin- 

 dracc(\ ca. i i iniu. lniij^o, 4 5 u 111. laU ; ."-quaiuis x'alde iiiibii- 

 calis, lIiwi 3 c.ii'i-, ('blono^'s, (.b;u^io^iuii^, cliartacei.s; exleri- 

 onbu> iMK loll 1' i . tiliaiis, aj ice \i! id;.^ceiilibu.«^: floiibus 4 vel 

 5, Cv)n^in)ilil)u~: C'^iiila o^labra, U-uu', iiifnndil)nliforini, ca. 

 I2inui. iciu^ra; dt-ir.ibn- 5, (i\-a;i-, acini.-: anlheris basi iniuule 

 auricii'atis, aj>icc ai u li'ia'.i^: s;y i rainis acutis, loiig^e cxserli.'^: 

 acheniis fere exacle c\ lin.lraceis, io-sl;ialis, glabris; pappi setis 

 sordidi?, cor-jllae aequilongi?. 



S'e;n> many from the ] erenniai woody base, stiffly erect, 

 leafy to ihe summit, 30Ciii. liigli, sli iale and glabrou?, simple 

 below, producing i to 6 brandies above; each branch or pedun- 

 cle .5 to 8cin. long, e:ecL or a.-ceuding and bearing a single ter- 

 minal head: ]ea\-es aUernatc, sessile, lanceolate, acuminate, 4 to 

 6.5 cm. long, .5 l(j 10 mm jjroad, enti:e, with 3 to 5 parallel 

 veins and remoie cross veins (e.-'peciali\' prominent beneath), 

 glabrous, sometimes spiinkled with wliitc granules; margins 

 scabron<: licacU raflier scattered, loi mi ng a loose raceme, each 

 sirbtendccl by i or 2 narrow acute bracts shorter than the invo- 

 lucre: in.x'olucre cylindric, 1 1 mm. high, 4 or 5 mm. broad; bracts 

 well imbricated in about 3 series, not in \-ertical ranks, cliarta- 

 taceons and nearly wdiite, ob'o;ig, very obtuse; outer ones slen- 

 derly nmcronate, ci'iate, greenish towards the summit: flowers 

 4 or 5, all alike: corolla glabrous, nai row-funnelfonn, 12 mm. 

 long, acutely 5tootlied: anthers acutely and minutely auricled 

 at base, attenuate at apex: sl\le branches acute, long-exserted: 

 akenes nearly terete, lO-ribbed, glabro:is: pappus brownish, as 

 long; as the co olla. 



