OP ARTS AND SCIENCES : JUNE 14, 1870. 269 



1 - 2-pinnatifidis incisisve, lobis plerumque pungentibus. Bracteae 

 in nonnullis palmatifidae. (Semina humefacta tubulis cellulisve 

 spirilliferis minus elongatis.) — Navarretia, Ruiz & Pav., Bentb. 

 jEgochloa, Bentb. olim. 



* Folia nonnulla plus minus bipinnatifida vel incisa : stamina fauce 

 corollas violaceae inclusa, saepius inaequilonga, vix inaequaliter in- 

 serta : ovula in loculis 8-12. Herba viscida, fcetida. 



20. G. squarrosa, Hook. & Arn. Bot. Beecb. p. 151. (ffoitzia 

 squarrosa, Escbsch.) G. pun gens, Hook. Bot. Mag. t. 2977. Navar- 

 retia, Hook. & Arn. squarrosa, Hook. & Arn. 1. c. p. 368 ; Benth. 

 cum. syn. Prodr. 



* * Folia plera vel nonnulla bipinnatifida vel incisa : stamina e 

 fauce exserta : ovula in loculis 1-4. 



h— Rigida, validior, 5 - 12-pollicaris. 



21. G. cotuLjEFOLIa, Steud. Navarretia pubescens et cotulcefolia, 

 Bentb. : the former more pubescent ; the latter as commonly with 

 cells uniovulate, even in original specimens ; both sometimes biovulate. 

 The name here retained is the better one ; moreover, the herbage is 

 said by Professor Brewer to exhale the odor of Maruta Cotula. 



+- -)— Graciliores vel demissae. 



22. G. intertexta, Steud. Erecta, nunc patenti-ramosa, nee vis- 

 cida nee glandulosa, pub i alba in caule subrobusto (3 - 7-pollicari) 

 retrorsa hirsuta ; foliis glabratis, segmentis aceroso-spinescentibus 

 divaricatis simpliciusculis ; floribus arete glomeratis ; calycis tubo cum 

 basi bractearum albo-hirsutissimo, lobis corollam albam adaequantibus ; 

 ovulis seminibu?que in loculis 3-4. — Navarretia intertexta, Hook. 

 Fl. p. 75. — Columbia River to Northern California and the Rocky 

 Mountains. 



23. G. MINIMA, Depressa, subpollicaris, nunc cagspitans, glabrata ; 

 foliis minus divisis acicularibus ; calycis tubo glabello sinubus latis 

 tantum albo-piloso lobis inaequalibus (corollam albam subasquantibus) 

 aequilongo ; ovulis in loculis 1-3. — Nav. minima, Nutt. PI. Gamb. 

 p. 160. — Arid interior of Oregon and Nevada to Colorado (Nicollet, 

 Geyer, Vasey, &c). 



24. G. Breweri, n. sp. Erecta, nunc difTuso-ramosissima, 1-6- 

 pollicaris, undique minutissime glanduloso-pubera; segmentis foliorum 

 subsimplicibus aciculari-subulatis ; floribus minus glomeratis ; calycis 

 lobis conformibus angusto-subulatis tubo suo (capsulam breviore) 3 - 



