101 



TURNERACEAE : PIRIQUETA. 



102 



apice et basi acuta v. rotundata, crenis plus minus manifestis v. evidenter 

 subduplicatis, hirsute, pilis saepius, praesertim inter nervos secundarios, 

 simplicibus. Calvx extrinsecus hirsutissimus, intus praeter pilos breves 

 nunc ad petala adnata obvios glaber, lobis lanceolatolinearibus, 3- v. sub- 

 5-nervibus. Petala calycem parte ejus V» superantia usque duplo lon- 

 giora, venis et basi atropurpureis , obovato-cuneata , apice obtusissima, 

 quoad libera 20 — 40 mm. louga, 12 — 20 mm. lata, glaberrima, corona 

 atropurpurea 1 — 1,5 mm. louga. Filamenta tubo 0,5 — 1 mm. longe ad- 

 nata, glaberrima, longiora 8 — 11, breviora 5 — 8 mm. longa; antberae 

 clausae oblougae usque lineares, 3 — 5 mm. longae, 1,2 — 1,5 mm. latae, 

 3 — 5-plo longiores quam latiores, apice truncatae, nunc obsoletissime api- 

 culatae, basi emarginatae, dorso in V* — V« a lt. affixae, defloratae inferne 

 bicrures, superne ligulatae, recurvatae v. revolutae. Stylx glaberrimi, 

 apice cr. 1 mm. longe fasciculatim multipartiti, stigmatibus ab antberis 

 2 — 4 mm. longe distantibus, longiores — 9, breviores 3 — 5 mm. lougi. 

 Ovarium cr. 100-ovulatum. Fructus ellipticus usque ovato-globosus; valvae 

 intus viridi-flavescentes et superne praesertim ad marginem pilosulae. Se- 

 mina obovata v. subanguste obovata, 2 — 2,3 mm. longa, 1 — 1,3 mm. crassa 

 reticulatc-lacunosa , postremo brunnea, hilo brevissimo, chalaza non v. ob- 

 solete prominente, arillo ad v. supra apicem ascendente, semen dimidium 

 v. ultra obtegente, flavescente, margine plerumque lacero. 



Habitat in prov. Minas Geraes pascuis et campis prope S. Jodo 

 d'el Rey , Contendas, in parte occidentali Certdo dicta, ex St-Hilaire; 

 prope Caldas : Regnell I. n. 17, Mosen n. 530, 4152, Lindberg n. 295 ; 

 prope Lagoa Santa : Warming ; prope Congonhas do Campo : Stephan ; 

 aliis locis ejusdem prov.: Claussen n. 127, Biedel n. 668, 794, 2538, 

 Widgren n. 579*12 ; prope Tapcira : Sello n. 1569; loco non indicato: 

 Pohl n. 433. — Floret mox post camporum cremationem nunc m. Julio, 

 Aug., nunc Sept., Oct. v. Nov., (ex St-Hil. etiam m. Martio) , fructif. 

 m. Nov. v. Dec. 



11. PIRIQUETA NITIDA Urb„ peremiis, caulibus If) 

 ad 25 cm. longis, setulis secernentibus crassitiem caulis vix 

 aequantibus v. brevioribus patentibus et pube brevissima fal- 

 cato-incurva obsoleta vestitis, pilis stellaribus deficientibus ; 

 foliis sessilibus v. vix I mm. longe petiolatis, erectis rigidis, 

 utrinque nitidis ovalibus v. ovali-orbicularibus , intermediis 

 1,5 — 1,8 cm. longis, antice v. apice plus minus manifeste ser- 

 ratis, subglabris, eglandulosis ; floribus axillaribus solitariis 

 heterostylis ; pedunculis 6 — 15 mm. longis, prophyllis subob- 

 soletis, pedicellis 4 — G mm. longis; calyce 7 — 8 mm. longo, 

 in V» alt. coalito; petalis aurantiacis; fructibus dorso verru- 

 cosis; seminibus parum v. obsolete curvatis, non tuberculatis. 



Tabula nostra XXXIII. Fig. I (habitus et analysis). 

 Piriqueta nitida Urb. Mon. Turn. 70. 



Caules hornotini 1 — pauci, stipra basin 0,7 — 1,2 mm. crassi, sim- 

 plices, inferne subteretes, superne subcompresso-angulati. Folia apice 

 acuta v. obtusiuscula, basi obtusa v. rotundata, intermedia 0,9—1,4 cm. 

 lata, parte l jz — V« longiora quam latiora, ad basin caulium et apicem 

 parum et sensim decrescentia , valde nervosa. Calyx extrinsecus breviter 

 birsutus, intus puberulus, lobis lanceolatis v. lineari-lanceolatis, obtusiua- 

 cule acuminatis, 3- v. sub-5-nervibus. Petala 10 mm. longa inferne cu- 

 neata, glaberrima, corona 0,5—1 mm. longa margine fimbriato-lacera. Fi- 

 lamexta tubo 0,5 — 0,8 mm. longe adnata glaberrima, breviora 4 mm., 

 longiora 6,5. mm. longa; antberae postremo superne revolutae. Ovarium 

 10 — 18-ovulatum. Fruutus globulosus, 5 — 6 mm. diametro; valvae dorso 

 flavido-virides hirsutae, intus stramineae glabrae. Semina parca obovato- 

 oblonga, inferne fere duplo attenuate, 2,3 mm. longa, 1 mm. crassa, ele- 

 ganter reticulato-lacunosa, arillo laterali fimbriate, paene longitndine seminis. 



Habitat in 2>rov. Minas Geraes Serra da Chapada m. Sept . fructif . : 

 Riedel n. 1141. 



Obs. Species Turnerae Hilaireanae var. minorem caeternm omnino 

 diversam babitu, praesertim foliis aemulat. 



12. PIRIQUETA CAROLINIANA Urb., plerumque 

 perennis, pube stellari et simplice, nunc deficiente vestita, 

 foliis inferioribus 1—10 mm. longe petiolatis, obovatis, ob- 

 longis usque linearibus, 2—8 cm. longis, eglandulosis; floribus 

 axillaribus solitariis heterostylis; prophyllis nunc evolutis, 

 sed minutis; pedicellis 4 — 9 mm. longis; calyce 6—12 mm. 

 longo, in 2 /i— Vs alt. coalito; petalis calycem duplo et ultra 

 superantibus flavis ; fructibus dorso laevibus ; seminibus parum 

 curvatis, non tuberculatis. 



Piriqueta Caroliniana Urb. Mon. Turn. 71. 



Walteria Caroliniana Walter Flor. Carol. 175. 



Tiirnera cistoides Pursh Flor. Amer. sept. I. 206 ; Torr. 

 et Gray! Flor. of North- Am. I. 537 — non Linn. 



Piriqueta fulra Chapman Flora of the Southern Un. 

 States 146. 



Turnera Caroliniana Wats. North-Amer. Botany I. 391. 



Turnera xanthotricha sive zanthotricha Shuttleworth Msc. ! 



Perennis. Caules hornotini 15— 60 cm. alti, 1—3 mm. crassi, sim- 

 plices, raro inferne ramosi, obsolete v. manifestius striati, pilis aureis v. 

 rufis patentibus, in parte caulis inferiore v. in intermedia quoque crassi- 

 tiem caulis aequantibus v. duplo superantibus creberrimis, simplicibus v. 

 hinc illinc basi coronula pilorum tenuium pallidiorum auctis, in superiore 

 brevioribus parcioribus v. plerisque ad coronulam stellarem reductis bir- 

 suti, pube minutissima crispula albida simplice intermixta, gemmis seria- 

 libns nullis. Folia petiolis inferioribus usque ad 3 mm. longis, superio- 

 ribus decrescentibus, subnullis nullisve praedita, anguste obovata, elliptico- 

 oblonga usque oblongo-lanceolata , majora 2,6 — 5 cm., raro — 7 cm. louga, 

 0,0 — 2 cm., raro —2,5 cm. lata, 2Va— 4-plo longiora quam latiora, apice 

 obtusa v. acuta, basi plerumque cuneata, raro rotundata, margine piano 

 v. subrecurvato integra v. apice v. usque supra medium crenata, rarius 

 serrata, crenis simplicibus, anticis confertioribus et saei>ins acutis, utrinque 

 pilis stellaribus pluriradiatis tenuibus dense obsita v. aubtus tomentosa, 

 aliis elongatis et crassioribus, nunc simplicibus, nunc basi radiatis, sul>tus 

 praesertim ad nervos, intermixes, superiora sensim v. subito minora et 

 ad bracteas conferte v. laxe dispositas saepius acuminates 1 — 0,3 cm. 

 tongas reducte. Pedukculi fructiferi 0,5—1,5 cm. (raro —3 cm.) longi; 

 pro})h.ylla nulla, callis noteta v. evoluta usque ad 1 mm. longa, lineari- 

 subulata, opposite v. alterna; pedicelU postremo 4—6, raro usque 9 mm. 

 longi. Calyx 7 — 12 mm. longus, extrinsecus tomentosus, pilis longioribus 

 plus minus crebris plerumque adjectis, intus sub corona pilosus v. plane 

 glaber, in */t— Va alt. coalites, lo]>is exterioribus lanceolatis v. ovato-lan- 

 ceolatis acutis v. acuminatis, iuterioribus ovatis v. ellipticis late membra- 

 naceis, obtusis, nervo medio nunc obsolete producto apiculatis. 3- v. sub- 

 5-nervibus. Petala 12—18 mm. longa obovato- v. obtriangulari-cuneata 

 glabra. Fii.amkxta tubo 0,4—1 mm. longe adnata, glabra, longiora 7 ad 

 8 nun., breviora 4—5 mm. longa; antberae clausae ovatae v. oblougae, 

 2—3 mm. longae, cr. 1 mm. latae, 2— 3-plo longiores quam latiores, ob- 

 tusae v. truncatae, in 'A— 2 A alt. affixae et emarginatae, effloratae superne 

 recurvatae v. revolutae. Htvi.i glabri, longiores 5—7 mm. longi, antberas 

 2—3 mm. superantes, supra partem -/■-. -'A inferiorem bifidi, apice 0,5 ad 

 1 mm. longe fascicnlato-multipartiti, breviores 2—3 mm. longi, ab antberis 

 2—3 mm. distantes, supra partem 'A— - 2 /:> bifidi. Ovarium 25— 50-ovula- 

 tum. Pructos globulosus usque ellipticus, 4 — 8 mm. diametro, 5—7 mm. 

 longus; valvae dorso pills parcis v. crebris, erectis v. adpressis, brevibus 

 v. longioribus, simplicibus vestitae, viridi-flavescentes, intus glabrae stra- 

 mineae. Semina obovata v. anguste obovata, 2—2,3 mm. longa, 1 mm. 

 crassa, duplo longiora quam latiora, inferne attenuate, postremo brunnea, 

 reticulato-striata, striis suberoso-incrassatis punctula postremo cuticula cine- 

 rascente obtecte reliuquentibns, basi valde in hilum semiglobosum breve 

 v. vix prominulum contracta, chalaza vix v. parum prominula solida, 

 arillo postremo ferrugineo, ]>arti tertiae seminis accumbente v. angustiore, 

 paene usque ad apicem ascendente. 



Habitat in prov. Gogaz , locis umbrosis Serra de Natividade , m. 

 Dec. flor. et fruct. : Gardner n. 3195 ; praeterea in Americae septentrio- 

 nalis civitatibus unifis a Carolina septentrionali usque ad Florida locis 

 siccis arcnosis m. Maio— Julio flor. et fruct. : Bey rich, Rugel n. 253 

 Curtm n. 960. 



