~ 66 — 



luiiga, ihaclii plana fasciforini, piiiiiis utrinque 5-6 ovalibus lads in pinuulas obtusas 

 iiiaequales crenato-lobalas abeuntibus. Pcdicelli racemosi, folio nulle suffulli, patentes, 

 iccti, crassiorcs, fruclibus uiaturis 7-8""° longi, floribus paulo longiores. Gemmas snb 

 ipsa anlhesi ovatae. Calyx strictus, subflavus, sepalis oblongis, margiiie Iraiisiueidis. 

 Coroila pallide lutea, calyce minor. Siliquœ pedicello obliquo recte insidentes, subcla- 

 m formes, juniorcs lineari-obovatœ, inflatœ subletragonae, falcatae, 16""° longae, pedi- 

 cello longiores, raceraos longos effingentes, valvis plano-coinpiessis, iutus signaiis, septo 

 uninervo, cellulis lateralibus ramosis crystalla aquila subiiiuricata et granulos amylaccos 

 includentibus. Seinina biordinala. 



Crescit in pascuis steiilibus prope Lardy point (Lechler), decembri frucliferuni, el in 

 freto magellanico, ad caput Negro (C. Darwin). — v. sp. 



p. Pedicellis ereclo-appressis. 

 * Seminihus l-ordinalis. 



18. S. Hartwegianani u. sp. — an S. canescens var. brevipes Torr. et Gray FI. of 



north Am. i, 92 ? 



Planta annua, radice simplici, tota pilis canescentibus obsita. Caulis 30-ùO cent, altus, 

 striatus, parce ramosus, ramis adscendenlibus brevibus. Folia sparsa, parva, IS""" 

 longa, lanceolata, ad imam eliam fructiferi caulis basim manenlia, rhachi plano-convexa, 

 pinnis utrinque 7-8 gracilibus strictis brevibus in piiinulas obtusas œquales intégras v. 

 incisas confluentes abeuntibus. Pedicelli racemosi, folio nullo suffulli, subincurvi, floribus 

 duplo œquilongi , nialuris fructibus ù-e"""" longi. Gemmae sub ipsa anthesi ovatae. 

 Flores parvi. Calyx clausus, subflavus, sepalis ovalibus, margine anguste membranaceis ; 

 coroila pallide lutea, calycem aequans. Siliquœ parvae, subclaviformcs, subinflatie, junio- 

 res lineari-obovalœ , compressas, reclae, 9-10"'°" longae, pedicello obliquo v. incurvo 

 recte insidentes, pedicello longiores, appressœ, racemos médiocres striclos eEBngenies, 

 rostro brevissimo, stigmate integro, valvis carinatis, primum ab apice disjunclis, intus 

 impressis. Seniina uniordinata. 



Crescit in imperio mexicano (Benlh. PL Hartw. p. 9, n. 38, sphalm. 5'. canescens 

 Nutt.), elin Saskatchaivan (Bourgeau). — v. sp. 



19. S. layriophyiium WiUd. mss. H. B. et K. in UC. Syst. il, 477 ; Prod. i, 194. 



Benth. PI. Hartw. 159, n. 882. Schlechl. in Linnœa xxviii, !^lti. Asa Gray United 



States exploring expédition, 59, excl. syn. Walp. in Rel. Meyen. 2i9. — Lechl. pi. 



peruv. exsicc. n. 1729. Mand. pi. And. boliv. exsicc. n. 916 part. 



Planta annua, radice fibrosa, pilis canescentibus obsita. Caulis 80 cent, altus, subcy- 

 iindricus, altus, striatus, parce ramosus, ramis brevibus, asccndenlibus. Folia sparsa, in- 



