K.ONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND. 32. N:0 5. 73 



In nliginosis ,s;raminosis camporum civitat. Rio Grande do Sul passim occurrit 

 hujus speciei forma foliis angustioribus, inferioribus et stepe mediis integris, serrato-den- 

 tatis, caule parce piloso, calathidiis majoidbus, apicibus squamarum involucri ajque ac 

 pappo violaceo-purpurascentibus recedens. Specimina reportavimus e Cruz Älta (18 ^^4 93. 

 Malme 776.). Loco natali ulterius examinanda! 



E. missionum Malme n. sp. 



Herba annua glaberrima, usque ad 1 m. älta. Caulis erectus, firraus, usque ad 

 8 mm. crassus, teres, striatus v. sulcatus, inferne simplex, superne + ramosus, usque ad 

 apicem foliatus. Folia alterna, sat distantia, internodiis vulgo 3 — 6 cm. longis, breviter 

 petiolata, petiolo vulgo 1 — 3 cm. longo, oblongo-elliptica v. elliptica v. rarius ovato-ob- 

 longa, apice acuta, basi cuneata et in petiolum paullulum decuiTentia, crebre at haud 

 profunde serrato-dentata (superiora nonnumquam basin versus profundius dentata), et 

 supra et subtus obscure viridia, majora 14 — 17 cm. longa, 6 — 7( — 8) cm. lata, nervis 

 secundariis utroque latere 14 — 18, rectis, angulo semirecto insidentibus. Inflorescentia 

 corymbosa, sat ampla densaque, pedicellis calathidiorum patentibus, stepe curvulis, valde 

 insequilongis, (0,5 — )1— 2( — 4) cm. longis, sa?pe bractea solitaria filiformi ornatis. Cala- 

 tkklia vulgo 13 — 14 mm. longa, multiflora. Involucri cylindracei, glabri squamce interiores 

 12 — 15, a3quilonga% lineares, acutte, albohyalino-marginatie, vix 1 mm. latae, exteriores 

 6 — 8, vulgo circiter 3 mm. longse, angustissimsE, filiformes. Flores numerosissimi (circiter 

 50), luteo-virides, subjequilongi, (cum ovario) 12 — 13 mm. longi, marginem disci versus 

 feminei, ceteri hermaphroditici ; ovario circiter 1 mm. longo, subcylindraceo v. nonnihil 

 fusiformi, pilis crebris, brevibus, adpressis sericeo; tubo gracili (circiter 0,25 mm. crasso), 

 filiformi, glaberrirao, in floribus hermaphroditicis apicem versus manifeste dilatato, in 

 femineis vix v. haud multum dilatato; limbi dentibus s. lobis 5, erectis, ovato-triangu- 

 laribus, acutiusculis, in floribus hermaphroditicis circiter 0,5 mm. longis, circiter 0,33 mm. 

 latis (in femineis paullulo minoribus), extus glabris, intus marginem vei'sus papillosis, 

 ceterum glabris. Stamina in corolla persistenter inclusa, antheris vix 1 ram. longis, basi 

 obtusis, appendicibus apicalibus minutis, sublinearibus, obtusis, vix 0, 15 mm. longis. Stylus 

 demum exsertus, ramis brevibus, obtusis, sub apice nonnihil barbatis. Achenia 10-costata, 

 oblonga v. subellipsoidea, circiter 2 mm. longa, castanea v. fulvo-castanea, inter costas 

 sat parce sericea, pappo 12 — 13 mm. longo, molli, niveo, demum caduco. 



Kio Crrande do Sul: Colonia Ijuhy (In »i'0(;as», agris combustis, nec non juxta vias 

 in silva, solo + denudato. 18 V4 93. Malme 744.). 



Affinis E. hieraciifolice (L.) Rafin., abs qua jam caule glaberrimo foliisque multo 

 latioribus, integris facile distinguenda. 



Senecio L. 



S. crassiflorus (Lam.) DC. var. tricuspis Baker. — Baker, 1. c. pag. 308. 



Rio Graude do Sul: oppidum Rio Grande (Loco arenoso, sat sicco, fere nudo. 

 18 ^^/n 92. Malme 318.). — Rhizoma subterraneum horizontale. 



K. Sv. Vet. Akad. Handl. Band 32. N:o 5. 10 



