216 MONOGRAPHIA POLYGALACEARUM. 



Habilaf in iiliginosis Brasilia' (criarumque ajMacentium, iinii in l'aiagiiava, non 

 in Uriiguaya. 



K. Sptiice : in vicinibus Santaiem.: St-Hil. prov. Goyaz, cat. n" 723. v. s. in 

 Hh. Mus. l'ans.; Wedilel. ii° 2()i2. Brasil. ceiitr. Salinas. 



P. GRACILIJMÂ, Walson. 



Radix aiinua. perpi^niiicnlaris vel librosa, tennis; caulis nniriis, apice corymbose 

 ramosus, lilil'ormis: l'oiia linoaria, panca; racemi corymbosi. bracteis persislen- 

 tibus; flores niinimi ; ahv (|iiani corolla longiores, ovales, basi slipilala', triner- 

 viat»; nervus médius longior, simplex, petala superiora obliipn' elliptica; ciista 

 paucilobata; stigmata cristata, seiiiina ellipsoidea exarillata, glaberrima. 



Tab.noUra XXIII. fig. 22-24. 



Exscc: Pringle, Pt-Mexic, Jalisco, n° 1829 (anno 1888) v. s. 



VVatson, Contribution to am. bot. XIV in l'rocei^d. of tbe Aui. Ac. XXV, 398. 

 non Spnir.e. 



Radix annua, piimaria, subsimplex, vel fibiosa rca 2 cm. longa, all)a. tennis. 

 In collo appai-ent, etiain planta maturata, cotyledones dure, ovatœ vel elliptica?, 

 petiolatae, 2-5 mm. long., usque ad 3 mm. latine, sœpe rubescentes. Caulis supra 

 cotyledones persistantes, simplex, filiformis, erectus, glaber, rubescens vel fusces- 

 cens. snbniidus, versus ramos t'oliosus. Rami alterni, tenuissinii, simplices vel 

 iteium ramosi, corymiiosi, l'oliis sparsis pr.'editi. Allitudo planta' : I 2-25 cm. caulis 

 sidi ramis : 6-15 cm. Fulia nmnia alterna, angustissime linearia, numerosiora in 

 medio caule, 5-7 mm. longa. 0,5-0.8 mm. lata, in ramis minora. Racemi spici- 

 formes. tenues, cylindrici, densissimi, ramos vel ranudos terminantes, coryndjosi, 

 1-3 cm. longi, 2-3 mm. lati, floribus deciduis, bracteas persistentes ferentes, 

 Bractea, bracteolis longior, ovato-subulata pedicellum brevissimum superans, 

 adscendens et basi pnlclne glandnlosa. Flores subsessiles, minimi. Sepala exte- 

 riora subneqnalia . lanceolata vel snperius ovatu-lanceolata , croceo-macnlata. 

 Aise raagis quamdiiplo maJDres, ovatfe, unguiculata' corollam excedentes. trinervise. 

 Nei'vus médius simplex apicem al;e suballingens. duo latérales s;epe brevis- 

 simi, simplices vel subsimplices. Petala superiora usque ad médium cum tubo 

 staminali connata, oblique elliptico-oblonga, subobtiisa, carinam crislatam snbœ- 



