Monographia Loasacearum. 39 



bifurcata, dein vel ab initio parum cineinnose evoluta ; prophyllis inferioribns enphylloi- 

 deis, superioribus integris. 



Tabula U. Fig. 16. Fructus. 



2Icntzelia Torreyi Gtray! in Froc. Amer. Acad. X. v. n. ser. II (a. 1875) p. 72; 

 Brew. et Wats.! Bot. Calif. I. 237. 



Radix perennis. Gaules plures v. numerosi breves .5 — 15 cm longi, 1,5 — 2 mm 

 crassi, cortice albido laxe accnmbente v. desiliente vestiti, pilis brevissimis spinulas patentes 

 V. reflexas gerentibus scaberrimi, angulati, ramosi v. ramosissimi, gemmis serialibns in axillis 

 foliorum adnatonim hinc illinc obviis. Folia sessilia, ima spathulato-linearia integerrima 

 0,5 — 1 em longa, intermedia ambitu ovato-oblonga 2 — 3 cm longa, ntrinque dentibus 1 — 3 

 divaricato-patentibus lanceolato-linearibus profunde pinnatifida, longo et sensim subulato-acu- 

 minata, margine arcte revoluta, snpra pilis brevissimis, plerisque apice ti-uncatis densissime 

 verticillatim glochidiatis asperrima, subtus elevatim 3-nervia, summa (prophylla superiora) 

 integra linearia 2 — 1,5 cm longa, 2 — 1,5 mm lata, snbnlato-acuminata, omnia praesertim snprema 

 basi cum ramulo connata. Flor es cymose dispositi, in angnlis sessiles v. snbsessiles; cvma 

 semel ter bifurcata, dein v. ab initio parum cineinnose evoluta ; propbylla inferiora enphylloidea. 

 superiora integra. Calycis tubus obovatus, 2,5 — 3 mm longns, 1,5 — 2 mm crassus, supra 

 ovarium 1,5 — 2 mm longo tubuloso-productus. pilis inaequilongis brevibus acuminatis antrorsum 

 spinuligeris vestitus, pilis aliis brevissimis truncatis glochidiatis nunc intermixtis; lobi in aesti- 

 vatione aperti, lanceolati v. lanceolato-lineares, marginibus plus minus ineurvis er. 4 mm longi, 

 1 — 1,5 mm supra basin lati, extrinsecus dense scabridi, apice setis 1 — 2 ornati, intus adpresse 

 pilosi. Petala in aestivatione quincunciali- imbricata, oblonge- v. lanceolato-spathulata, in- 

 ferne V. a medio sensim usque lineari-angustata, 10 — 11 mm longa, superne 2 — 3 mm lata, 

 calyce duplo longiora, extrinsecus totidem v. superne tantum pilis minute spinuligeris bre- 

 vissime pnbescentia, intus glabra, libera, apice acuto parcissime setulosa. Filamenta 2-seriata, 

 in alabastro snberecta, 30 — 36, omnia filiformia aequalia, exteriora 8 — 9 mm longa, petalis 

 paullo breviora, interiora 5 — 6 mm longa; antherae clausae ovali-orbiculares paullo longiores 

 quam latiores, apice et basi emarginatae, 0,7 — 0,5 mm longae, inferiores paullO minores, inter 

 loculos in 2/. alt. affixae, lateraliter sed paullo magis intus dehiscentes; poUinis granula aquae 

 immersa globulosa. Discus concavus glaber. Stylus ante anthesin antheras superans, 

 posti'emo 9 mm longns, tilamentis longioribus subaequilongus filiformis, lineis stigmatosis usque 

 infra medium decurrentibus, integer v. ad medium 3-partitns. Ovula 6 — 9 placentis latius- 

 culis non prominentibus vix conspicuis ad medium subeollateraliter et 2-seriatim affixa, ovata 

 subhorizontalia, fnniculis subnullis. Capsula ovata 4 mm longa, 2,5 — 3 mm diametro, sub 

 disco constricta, basi attenuata, flavida scabrida, elevatim 10-costata transversim snbti'iangularis, 

 calyce emarcido erecto coronata, intra lobos calycinos 3-valvis, valvis breviter triangnlaribus, 

 placentis quam intervalla duplo angustioribns. Semina pauca snbovata trigona 1,8 mm 

 longa, 0,8 mm lata obtnse apiculata, basi truncata concaviuscula, subrugosa nitida nigrescenti- 

 cinerea; endospermium satis conspicuum. Embryo rectus; cotyledones convexae quadrangulari- 

 subrotundatae apice subtruneatae ; radicula obtusa teres fere duplo longior sed paullo angustior. 



Habitat in Americae septentrionalis territorio Nevada, Humboldt County 

 in planitiebus sterilibus salsuginosis: J. Torrey (a. 1865) n. 135; in California; Washoe 

 County: J. G. Lemmon. 



V. s. in herb. Berol , Wm. M. Canbv, Vindobon. 



