12() 



CONTKIJU TIONS VlUm THE NATIONAL HKKIJAIUUM. 



cither sessile <<\' with very short nivs; iiivolucels as jonu- us unihellet-: 

 fruit little more thiiii '2 inin. lonj;, nearly s(\ssile. 



Tyj)e locality, '"at and near the to}) of Mount l)ana,"* California, at 

 8.!tti(i meters altitude, forming larji'c dense convex mats amonj^ the 

 rocks; eollectcd by A'/vv/w, nos. I7;')i>, 2717. .June. ISd.'). in tlowci'; 

 ty|)«> in IFcrl). (Jiay. Associati'd in the orioinal description with the 

 type specimens is Liininoii \A'2\, Aujiiist. Is7.s. in fruit. 



Sin'cuiii iix r.riniiliicd: 



('.\i,M''()I£.nia: Type Inculity, Lniniinii, Sciitcinhcr, 1S77, ami in JHIIH. 



40. EURYTAENIA Porr. c^c Chay. Fl. 1: •;:«. 1S4(». 



Calyx teeth pi'ominent. Fruit stronjily llattcned dorsally, ovate, 

 minutely scabrous. Carjxd with dorsal and intermediat«? ribs ap[)i(i\- 

 imate and tiliform (rai'ely sliojitly winded); laterals very prominent, 

 thick- wiuf^'cd (prominently nei'ved on the commissural side), hut with 



I'li;. U. — Kurytiii'iiiii tcxiiim: <i. h, x8. 



thin maroMns contij^'uous with those of the other car|)el; all (es[)ecialiy 

 the laterals) with ])i'omin(Mit (••roups of strenotheniny' cells. Stylo- 

 podium dei)ressed. Oil tulu's very broad, tillinji' the intei-val>. -' 

 remarkably bi'oad ones on the commissural side. Seed face jjlain'. 



(irlal)rous (or somewhat scabrous especially on the rays) brancliiii(( 

 hcr])s, with pinnatcdy dissected leaves, involucre and involuccls of 

 usually H-cleft bracts, and white lowers. 



A luonotypic g'cnus b(>lon<iin>^' to the sandy soils of eastern Texas 

 and adjacent Indian Territory and Oklahoma. 



1. Eurytaenia texana Torr. & (hay, Fl. 1: 033. 1840. Fk;. 41. 



From 3 to 8 dm. high; leaflets long, narrowly linear to obldiiii'. 

 entire, serrate, toothed, or even inci.sed; umbels 8 to many-rayed: 

 rays 2.5 to 6 cm. long; pedicels very short; fruit 4 nun. long. 



Type localit^^, Austin, ''Texas;" collected by iJrunmiond; typ ■ i" 

 Herb. Gray. 



