CorLTKR ANI) K<>SK NOUTII AMKKICAN rMMKLMFKKAK. 107 



lo-ortli:ili 



Is illilK'-' 



I*)-; i'rnit 



lu- Santa 

 1. Coliuii 



\/)( r(«i« /».t t'.niniiiml: 



CnioHAix): CrtHtlc Hock, tn'ur (lo'dcii, altitiul*' 1,H(HI iiictrrH, I'nlltriKiti 'A7, .luly- 

 S»'|>teiiilH'r, IKS"); lU'Hf .Mt»ri'S(iii, Alirr KitMlininil, in ISHl; nciir (ioliU'ii, 

 ('i<ni<Utll, Aj»ril ;U), IH02; IJoiildt-r ("ounty, .Uur/V ll<,l:i„i/,r, Aii;:iihI, IMlt2; 

 iiioiuitaiiiH iH-ar Morrisdii, allitiKic I.SIX) iiiftcrs, Itillnl, May, lsi).">, atul 

 Oi'tcU'r, l.SitT; South Taltlt- .Mouutaiii, nrar (iulcU'ii, Kinnrllini 7(), Juiii' 17, 

 18J»H. 

 Nkw Mkxico: Socorro, <i. /»'. Vhkii/, May, IHHl. 



•J. Aletes humilis C. & K.. sp. nov. 



Ccspitosc with p(Hhuu'l(>s imidi shorter than the leaves, li to ."> em. 

 lenef; petioh's slender, loiiijfer than the l»hi(le; h-allets ufenerally ."». 

 entii'i* to few-toothed, sliji-htly seuln'ous on the niai'yin. linear to olio- 

 vaie; ravs 4 to <!, rathei* weak and spi-eudiny. i^.T) to '.\ ein. lonji" jx'di- 

 ceis very short; invohieels of linear distiiiet braetlets; fruit ovate. H 

 MUM. loiij^. 



Tvijo locality. Dale Creek, Larimer v'ountv. Colorado; eoiieeted 1)V 

 (notyr K. (fxtrrhout, HO. »'.. .lulv l'.», lS!t'.»: type in V. S. Nat. llerh. 



Ordy known from type locality. 



Mr. t Ntcrliont also rei'omiizi'd this plant uh a new H|n'cifs, hut has kiinUy pcrniittcil 

 us to piihlish it. 



;i Aletes (?) macdougali C. & R., sp. nov. 



W'itii much the hiihit and folitiefc^ of .1. iicaullx; leav(\s ntirrow in 

 outline, pinnate; leaflets few, ovate, few-toothed; ])eduncles lonjrcr 

 tliaii the leaves, 1 to l.T) dm. hijjfh; niys 4 to <>, 5 to lOmni. lonir; ped- 

 icels '1 to i\ nun. lonjif; involucids of few linear distinct briictlets; 

 tl(»wers yellow; fruit (at loii.st at first fltittened liiteiiilly) ntirrowly 

 olilone-. 4 mm. lonjjf. the latertil ribs (tind sometimes the others) beeoiu- 

 iiiL!' winded; seed nearly terete in cro.ss section; oil tidxvs solitary in 

 till' intervals. 



Type locality, on HcM'rv's trtiil t() the (rrsind Canyon of the Colortido, 

 .\ii/ona; collected by />. 7! MticDouyal, no. ll»2, Juno 2.S, LS'JS; type 

 ill r. S. Nat. Herb. 



Oidv known from type locality. 



Tills sjiecies differs from the otluT two iii havinji the rilw sometimes (iK-rhajw 

 always) wiiifrt'd. The material, however, is too scanty to he positive as to it generic 



|"i-itiipii. 



4. Aletes (0 davidsoni C. & R., .sp. nov. 



Stems (and leaves) numerous, crowning more or less thickened 

 t'l( nitrated roots; short caulescent, 1 to -S dm. hif^h. much l)ranched, 

 glabrous; leaves ternate, the central lobe a^ain ternate, all then pin- 

 iiali'; leaflets ovate in outline, '1 or ;')-cleft into linear acute lobes, 

 or ihc lower oiu\s aj^ain cleft, while the upper ones .sometimes become 

 Piitiie; peduncles 5 to 8 cm. lonj;^. j^labrous except some puberulence 

 at (he top; rays few (t) to 10), nearly equal; pedicels 2 to ;? nun. lonj?; 



i 



