— 65 — 



Planta annua, dense cinereo-pubescens. Caulis 30-60 cent, alius, siinplex aiit superne 

 ramosus, firmior. Folia sparsa, radicalia 5-6 cent, longa, ad imam etiam noridi caulis 

 basini perslantia, pinnis utrinque 6-7 variiformibus, in pinnulas inœquaies crenato- 

 lobatas abeuntibus. Pedicelli raccraosi, folio nullo suffuiti, divaricati, inferiorcs borizon- 

 lalcs, recti, floribus triplo longiores, S-IO"»-" longi. Gemmœ sub ipsa anthesi ovala!. 

 Calyx patulus, sepalis obovalibus; corolla pallide lutca, caiyci œquilonga. limbo in un- 

 giicin iudisiinctum desinente. Siliqua; pedicello rectius insidentes, claviformes, sti^^mate 

 omnino sessili obtuses, juniores lineares, valvis navicularibus subletragoiiae, subfalcalœ 

 6-10-"- longœ, pedicello brcviores vel œquilongœ, racemos parvos cffingcnirs, valvis 

 intus IfEvibus, primumab apicedehiscentibus. Scmina sub-biordinaty. 



Crescit in America septentrionali, frequens intcr vicesimum quintuin et quadragesi- 

 mum nonum paralleium, e. g. in insula Aey occidentaii Fioridœ australis (Rugel), inNovo- 

 Mexico, in collibus apiicis circa Santa-Fé {FemUer), in vallc sinus Coppermine in ripa 

 occidentali magni Sait lake in ditione Utah (Maj. Stansbiiry in El. Durand ^l skc(ck of 

 tke basin of the greatSalt Meof Utah, 891), in plagis septentrionalibus ad lacum Su- 

 periorem (Agassiz in Lake Sup. 155), in Scopuiosis moniibus (Parry exsicc. n. 100), et 

 occidentem versus tians hos montes, ad Fort-Simpson al juxta Bear Lake river (Pulle'n), 

 in ripis Duminis Colorado (Asa Gray in Tlie botany of the Pope' s report) , et in prov.' 

 J'exas (Drunimond), in sinu Spiritus sancti (Berlandier), primevère florens. — v. sn. 



16. s. brachj-earpiim Ricbardson in Frank!, ht journ. éd. l,app. 7/i/i. Hook. FI. bor - 

 am. I, 62. Hook. et Arn. Bot. Beech. 323. —S. canescens var. <ÎTorrey et Gray /. c. 

 Planta annua, pubesccns. Caulis 1-2-pedalis, simplex aut superne ramosus, debllis. 

 Folia sparsa, 3-4 cent, longa, rliachi filiforrai, pinnis utrinque 6-7 angustis in pinnulas 

 inœquales crcnaio-lobatas abeuntibus. Pedicelli racemosi, folio nullo suiïulti, divaricati, 

 inferiores deflexi, rccti, fdiformes, floribus triplo longiores, 10-12'""' lorigi. Gcmmaî 

 sub ipsa anthesi ovatae. Calyx patulus, subflavus, sepalis ovalibus; corolla intense (etiam 

 sicca) lutea, calyccjn superans. Siliquae pedicello rectius insidentes, utrinque attenualœ, 

 maturae stylo parvo mucronatae, juniores lineares, subtetragonae, subfalcatœ, 8-10°°' 

 longffi, pedicello breviores, racemos parvos eflîngentes, valvis concavis, piimum ab apice 

 dehiscentibus, intus laevibus. Semina subbiordinata. 



Crescit in California meridionali, ad San-Diego (P.-E. Botta), ad confluentes amnes 

 Reed's river et Snake river (Tolmie), in Canada et usque ad mare arciicuni (Puchardson). 

 — V. sp. in herb. Mus. paris. 



17. S. antarcticnn. n. sp. —5. canescens Griseb. in W. Lechler/)/. magellanicœ n. 



961 non Nuit. — .*?. Sophia var. J. Hook. Bot. of the antarctic voyage p. 1k1. 



Planta annua, breviter pilosula. Caulis 80 cent, altus, validior quara in affinibus spe- 

 ciebus, ramosus, raïuis alscendentibus longis. Folia sparsa, radicalia conferla, 5 cent. 



E. FOUBNIER. „ 



