216 MONOGRAPHIA POLYGALACEARUM. 
Habitat in uliginosis Brasiliæ terrarumque ajdacentium, non in Paraguaya, non 
in Uruguaya. 
R. Spruce : in vicinibus Santarem.; St-Hil. prov. Goyaz, cat. n° 723, v.s. in 
Hb. Mus. Paris.; Weddel, n° 2042, Brasil. centr. Salinas. 
P. GRACILLIMA, Watson. 
Radix annua, perpendicularis vel fibrosa, tenuis; caulis unicus, apice corymbose 
ramosus, filiformis; folia linearia, pauca; racemi corymbosi, bracteis persisten- 
tibus; flores minimi; alæ quam corolla longiores, ovales, basi stipitatæ, triner- 
viatæ; nervus medius longior, simplex, petala superiora oblique elliptica ; crista 
paucilobata ; stigmata cristata, semina ellipsoidea exarillata, glaberrima. 
Tab. nostra XXII, fig. 22-24. 
Exscc.: Pringle, Pt-Mexic, Jalisco, n° 1829 (anno 1888) v.s. 
Watson, Contribution to am. bot. XIV in Proceed. of the Am. Ac. XXV, 398, 
non Spruce. 
Radix annua, primaria, subsimplex, vel fibrosa cca 2 em. longa, alba, tenuis. 
In collo apparent, etiam planta maturata, cotyledones duæ, ovatæ vel ellipticæ, 
petiolatæ, 2-5 mm. long., usque ad 3 mm. latæ, sæpe rubescentes. Caulis supra 
cotyledones persistentes, simplex, filiformis, erectus, glaber, rubescens vel fusces- 
cens, subnudus, versus ramos foliosus. Rami alterni, tenuissimi, simplices vel 
iterum ramosi, corymbosi, foliis sparsis præditi. Altitudo plantæ : 12-25 cm. caulis 
sub ramis : 6-15 cm. Folia omnia alterna, angustissime linearia, numerosiora in 
medio caule, 5-7 mm. longa, 0,5-0,8 mm. lata, in ramis minora. Racemi spici- 
formes, tenues, cylindriei, densissimi, ramos vel ramulos terminantes, corymbosi, 
1-3 cm. longi, 2-3 mm. lati, floribus deciduis, bracteas persistentes ferentes, 
Bractea, bracteolis longior, ovato-subulata pedicellum brevissimum superans, 
adscendens et basi pulchre glandulosa. Flores subsessiles, minimi. Sepala exte- 
riora subæqualia, lanceolata vel superius ovato-lanceolata, croceo-maculata. 
Alæ magis quam duplo majores, ovatæ, unguiculatæ corollam excedentes, trinerviæ. 
Nervus medius simplex apicem alæ subattingens, duo laterales sæpe brevis- 
simi, simplices vel subsimplices. Petala superiora usque ad medium cum ‘tubo 
staminali connata, oblique elliptico-oblonga, subobtusa, carinam cristatam subæ- 
CES Pr Four 
dire mé pin D à 6 dd n°: 
