Monographia Loasaceainm. 357 



Anniia. Radix fusiformis, simples, er. 2.5 mm crassa, cauli subaeqnicrassa. Caulis 

 erectiis 10 — 20 cm altus, albidus, teies, pilis albidis inaequilongis verticillatim glochidiatis 

 densissime obtectns, aliis ut videtnr nullis, superne divaricate ramosus. Folia alterna laxa, 

 intima et inferiora petiolata spatlmlata saepius orbicularia, basi cuneata, sinuato-dentata vel 

 rarius integra, 15 — 20 mm longa, petiolo usqiie ad 10 mm longo, snpeiiova sensim sessilia, 

 ambitn ovata, 3 cm longa, 2 cm lata, sinuato-dentata, apice subrotundata, omnia supra pilis 

 antrorsum spinuligeris l)revibus basi bulbiformi-incrassatis densissime obtecta, subtus pilis verti- 

 cillatim glochidiatis subtomentosa griseaquc. Flores in apice caulis ramorumqne solitarii; 

 prophylla euphylloidea, sed sensim minora. Calycis tubus campanulatus, inferne vix atte- 

 nuatus, er. 6 mm longus, i mm crassus, pilis inaequilongis verticillatim glochidiatis dense ob- 

 tectus, aliis antrorsum spinuligeris brevibus basi bulbiformi-incrassatis dense intermixtis, supra 

 ovarium paullo productus; lobi in aestivatione iuferne quincuncialiter sibi imbricati, superne 

 aperti, ovatolanceolati, acutissimi, 6 mm longi, 3 mm lati, extus pube tubi, intus parcissime 

 pilosi. Petala 5 in aestivatione valde imbricata, lanceolata, 15 mm longa, 4 mm lata, obtnsa 

 vel acutiuscula, inferne cuneato-unguiculata. Squamae petaloideae nullae. Filamenta 

 30 — 40, 2 — 3-seriata, interiora filiformia, exteriora sensim longiora ac latiora usque linearia, 

 sed omnia fertilia. Discus glaber. Stylus filiformis glaber angulatus. Capsula campanu- 

 lato-cylindracea, basi rotundata, 10 — 15 mm longa, 7 — 8 mm crassa, flavescens, scabra, sub- 

 chartacea; placentae 3 latae intervallis nitentibus 3 glabris sesqui-vel duplo latiores, postremo 

 emarcidae (more sectionis). Stamina in placentis biseriata in parte posteriore vix snper- 

 posita, horizontalia, ovali-rotundata, -i mm longa. 3 mm lata, fiavescentia, alata, ala semine 

 ipso er. '/.i latitudine aequante. Embryo rectus; cotyledones planiusculae, subito in radiculam 

 aequilongam acutiusculam contractae. 



Habitat in Americae septentr. territorio Colorado prope C4rand Junetion 

 (ex Eastwood) et in territorio Utah prope Moab (ex Eastwood) et prope Willow Creek: 

 Eastwood n. 31. 



V. s. in herb. Berol. benevole communicatam a cl. antore. — Fl. m. Jul. 



p. 93 1. 3-1: adde ad M. pumila Torr, et Gray var. genuina Urb. et Gilg synonym.: Mentzelia 

 lutea Greene! in Pittonia III (1896) 99. 



Adnot. Specimen originarium a cl. Prof. Greene nobis communicatum optime cum spe- 

 cimine original! il/. cJinj-scuithae Engelm. quadrat eodemque loco collectum est. 



p. 94 1. 1 lege: llentzelia pumila 0. Kuntze. 



p. 94 1. 10 adde ad M. pumila Torr, et Gray: 



Var. f. (leusa Vrh. et Gilg, caule valde divarieato-ramoso; petalis 1,8 — 2 em 

 longis, obovato-lanceolatis, basin versus longe unguiculatis, apice aeutis; staminibus er. 

 100; Capsula matura anguste cylindracea, parum inflata, elongata. 



Mentzelia densa Greene! in Pittonia III (1896) p. 99. 



p. 95 post var. 6 adde: 



Var. t in civit. Colorado prope Canon City: Greene (a. 1896). 



Fl. m. Septemb. 



