11 



calyptra vix tuberculatula : J. W hit el egg e. Hb. Melbourne. 

 No. 12 et 100. 



Ex liabitu Bruchiae palastrxs^ sed multo minor, foliis 

 crenulato-denticulatis tenuinerviis laxiuscule reticulatis facile 

 distinguenda. 



21. Bruclua (Pycneum) ligulata n. sp.; nionoica; gregarie 

 sed ad pedem radiculis tenerrimis multis intertexta nana sim- 

 plex paucifolia; folia caulina inferiora minuta, superiora multo 

 majora perichaetialia omnium maxima, omnia e basi indistincte 

 vaginata oblongata in laminam ligulato-acuminatam obtusatam 

 vel vix acutam integerrimam attenuate, nervo tenuissimo sub- 

 carinato ante apicem evanido percursa, e cellulis laxis breviu- 

 sculis pellucidis clilorophyllose tinctis ephemeraceis reticulata; 

 theca in pedicello tenerrimo virente longitudine plantulam 

 aequante strictiusculo erecta minuta, e collo brevissimo angu- 

 stissime cylindracea in operculum parum obliquum rostratum 

 subliyalinum protracta; calyptra minuta sed vesiculoso-inflata 

 laevigata pallidissima nitida capsulam omnino obtegens basi 

 in lacinias nonnullas introrsum inflexas obtusatas fissa. 



P atria. Paraguay, Paraguari, in terra humida camporum 

 incultorum, Junio 1882; Assumtion, Junio 1879: B. Balansa, 

 No. 3708 et 3658. 



Planta mascula femineae simillima basilaris. Species pro- 

 pria nulli aliae comparabilis, ob folia tenuinervia ad Ephemera 

 accedens, igitur sectionem propriam „Pycneura" sistens exi~ 

 gua. Statu exsiccato plantula caracterem Weisiae haud male 

 refert. Sectio Euhruchia capsula plus minus longicolla, Spor- 

 ledera capsula plus minus globosa recedunt. 



22. Bruchia (Eubruchia) amoena n. sp, ; monoica? cespites 

 pusilli virides ad pedem valde intricati; caulis lineas paucas 

 longus simplex; folia caulina pauca, e basi vaginata laxe reti- 

 culata sensim in acumen setaceum flexuosum integerrimum 

 summitate solum vix crenulatum et vix obtusiusculum nervo 

 omnino occupatum attenuata; perichaetialia multo majora e 

 basi multo latiore laxissime reticulata saepius raptim longissime 

 setacea; theca in pedunculo virente breviter exserto eundem 



■ 



longitudine superans trematodontoidea, e collo longiusculo an- 

 gusto basi undi^ue strumoso longiuscule elliptica et longiuscule 

 stricte rostrata acutata pallide virens maturitate aurescens; 

 calyptra capsulam usque ad collum fere obtegens membranacea 

 glabra nitida in lacinias angustas profunde fissa. 



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