ItiL'LTKH AND KOSE — NoUTH AMKKICAN L MHKLLIFKKAK. 126 



I, h'.'iiiii 

 , Itrilloi' 



I, I iili-li< r. 



II Ml 4U1.'., 



Km. :!T. 



; |M'(lllii 

 k-»'s. -J to 



coast 111 

 M'tod tiy 



in r. S. 



I) Bi-iti-li 



f Tilaiii'M.k 

 ISS'J; ii<ar 



|c "JO, isvi; 



1SS7; M' :ir 



|'.»T. 



Kill. ;i',«.— l,ilii('0(isl.s M'hiilTiicrlaiiit. 



the intpr- 



>/h < iiiii im i.rttiiiiniil: 



NiniTH Cakoi.iv \: Ty|K' HpiM'iiiu'H.H iw litt'd muliT ly|M' Imulity. 

 LmI'imiana: X»'W OrU'uiiH, Jnor. 



I. Lilaeopaia sohaffneriana (S(lil«>(lit.) ('. tSl K. iiot. (in/, 24: 1>. tivr. ^i. 

 |si»7. Fui. ;«>. 



(')•«(//;/</ xiliiiffniriiniii Si-liU-clit. I.iiiiiiia a6:.'l7it. IK.Vi 



Lciivcs wIn'M <;i"(>win},'' in drifi- |)liir('s 

 iiiniosl tiliforiii and .short, (i mm. lon^; 

 when yruNviii^f in wutci' clonpitcd 

 linear, •_'<> to Mo nn. lonj;; pcdnnclt's 

 v«'i'v slioi't; triiit <»l»lon}:', the doi'sul 

 I'ilis ohtusc. 



'I'vpo locality, "in lacu |la<;uMa| ad 

 urlicm Mexico," near ( 'liapultepec, 

 Mexico; collected liy Sr/niff'iir", 



Southeiii Aii/ona, and soutlnvard 

 tlironeh Mexico to ( liile. 



Sji, r'nii, im t I II nil III il: 



\ui/.nNA: Siiiita Crii/, Valley iirar 'rin-niii, I'rlinjli, May ll», IH.Hl; HpriiijjH in 

 lliiaclnna MdUUtuiiiH, Liniiiiini, AumiHt, IHSl'. 



39. PODISTERA Watson. I'roc. Am. Acad. 22: 475. ISST. 



(';ily\ teeth pi-<»minent. Fiiiit llattened laterally, ellii)tic-ovat«!, 

 <:lalti'ous. Carpel ohlone-pentayonal in 

 (iios section, the ribs .slender and dis- 

 fimt. Stylopodium depivsscd; styles 

 Iniii^- and ril)hondike. Oil tulies 2 or 3 

 ill the intervids, <» on the commissural 



>i.lr. 



.\ dwarf cespitosi> acaidesccnt peren- 

 nial, with piniiately ])artc(l leaves, no 

 iii\ iiliicre, involiic(>ls of foliaceons H to 

 ."> (left Itractlets (by the reduction of the rays often formine' a falso 

 iii\'>hicre), and white or pinkish (lowers. 



.\ iiionotypic tfenus (based on ('ifiii(>j>ti nix in I'ddi nxlx (iray) found as 

 yrt (iiily near the top of Mount Dana. California. 



1. Podistera nevadensis (dray) Watson, Proc. Ai.i. Acad. 22 : 475. 

 1SS7. Fuj. 40. 



<'iliiii))itiriix ntniilnisin (.xTAy, Proc. Am. Acad. 6: f^'.Ui. lS»i.'i. 



I'litterulont; caudcx with numerous very short crowded branches 

 ticaiiiiij tufts of leaves; leaves small, ti to 8 mm. long, rather thick, 

 the :; to 7 lanceolate .segments acute and entire; peduncles short, but 

 cxocding the tufts of leaves; umbels of 3 to 5 umbellets which are 



Ki<i. 10.— IVMlistcrii lu'viulonsls: 



