36 Ign. Ui'ban, 



Acrolasia Solierü Gay Fl Ckü. (1846) II. 430; Walp. Ann. II. 655. 



Anniia. Radix fnsiformis 2 — 4 mm crassa, canle vis crassior. Caulis solitarius 

 erectus, 15 — 20 cm altus, basi 3 — 4 mm crassus, teres, manifeste vel vix longitudinaliter 

 striatus, griseo-albescens vel griseus, pilis brevissimis inaequilongis verticillatim glochidiatis 

 laxe vel lasissime obtectus, aliis antrorsiim spinuligeris rarissime intermixtis, nunc subglaber, 

 snperne vel iam paiiUo snpra basin ramosus, ramis erectis vel erecto-patentibus, gemmis 

 serialibus nullis. Folia alterna, infima dense conferta, cetera laxa, illa lanceolata vel lineari- 

 lanceolata usque linearia, integra vel rarius parce ac remote sinuato-dentata vel -crenata, apice 

 acuta, basi longa petioliformi-angustata, 3 — 5 cm longa, 0,4 — 0,8 cm lata, intermedia sessilia, 

 lanceolata vel ovato-lanceolata, basi subcordata ac semiamplexicaulia, apice acuta, integerrima 

 vel rarius sinuato-dentata, supra pilis inaequilongis verticillatim glochidiatis dense obtecta, 

 aliis antrorsum spinuligeris densissime intermixtis, subtns pilis verticillatim glochidiatis den- 

 sissime vestita, aliis vix obviis. Flor es apice caulis in cymas vel tricbasia dispositi, cymis 

 vel trichasiis ter quater bifurcatis, ramis inferioribus saepissime eincinnose evolutis, sessiles; 

 prophylla euphylloidea ovato-triangularia, 0,5 — 1 cm longa, 0,3—0,5 cm lata, integerrima. 

 Calycis tubus cylindraceus vel subcylindraceus, inferne sensim sed parce attenuatns, 

 0,6 — 0,8 cm longus, 0,2 — 0,3 cm crassus, teres, pilis verticillatim glochidiatis inaequilongis 

 densissime obtectus, aliis antrorsum spinuligeris parcius intermixtis, supra ovarium vLx pro- 

 ductns; lobi in aestivatione inferne quincuncialiter parum sibi imbricati, apice aperti, alabastrum 

 ovato-oblongum formantes, lanceolati vel ovato-lanceolati, acuti, 2,5 — 4 mm longi, basi vel 

 supra basin 1 — 2 mm lati, intus brevissime ac tenuiter pilosi, extns pube tubi, in fructu ple- 

 rumque persistentes emarcidi reflexi vel erectiusculi viridi-flavescentes. Petala 5 in aesti- 

 vatione quincuncialiter sibi imbricata, sub anthesi erecta, obovata vel obovato- lanceolata, apice 

 acuta, basi sensim attenuata vel unguiculata, 4— 5 mm longa, 2 — 3 mm lata, basi er. 1,2 mm 

 lata, apice brevissime pilosula, ceterum glabra. Squamae petaloideae nullae. Filamenta 

 15, 1-seriata, a petalis et inter sese libera, aequilonga, er. 3 mm longa, sed difformia, 5 sepalis 

 opposita inferne latiuscula sub medio subito filiformi-contracta vel attenuata, cetera e basi Ima 

 filiformia, omnia antherifera. Antherae iuniores subrotundatae vel subovales, vix 0,4 mm 

 longae, 0,3 mm latae, basi apiceque pauUo emarginatae, in '/ö — '/(i ^^t- affixae, lateraliter de- 

 hiscentes, deüoratae non contortae. Stylus ante anthesin antheras superans, postremo er. 

 3 mm longus filiformis, glaber angnlatus, e lamellis 3 contlatus, margine lamellarum superiore 

 et ad apicem dense papillosus, in fructu persistens emarcidus. Capsula cylindracea vel sub- 

 cylindracea, inferne vix vel sensim attenuata, basi obtusa, 1,5 — 1,8 cm longa, 2—3 mm crassa 

 brunneo-virescens, subchartacea, calyce persistente lobis emarcidis reflexis vel snberectis styloque 

 coronata, intra lobos calycinos 3-valvis, valvis triangulari-semiorbicularibus, cum placentis 

 alternantibus; placentae 3 angustissimae, filiformes, intervallis nitentibus glaberrimis 3-plo vel 

 4-plo angustiores. Semina 15 — 20 in placentis 1-seriata, dense conferta et sibi accumbentia, 

 pendula, micropyle ad angulum placentae spectante, funiculis nullis, valde irregulariter angu- 

 lata, breviter ovata vel subglobosa, areolis plerumque subconcavis, non compressa, minutissime 

 flavido-punctulata, griseo-brunnescentia, esalata, er. 1,5 mm longa, 1 — 1,3 mm crassa; endo- 

 spermium mediocre. Embryo curvatus; cotyledones convexiusculae suborbiculares, sensim in 

 radiculam subcylindraceam acutiusculam sesquilongiorem attenuatae. 



Habitat in Chile, in eollibus siceis prope Copiapo: Gay (a. 1839), et Argen- 

 tiua. in saxosis siecis vallis fluminis Mendoza circa Pimta de la Vaca: Kurtz n. 3493, 



