A Liverwort Family

Frullaniaceae Lorch in G.Lindau, Krypt.-Fl. Anf. 6: 174 (1914).


(Image source: http://bryophytes.plant.siu.edu/imFrullaniaSp.html )

ORDER:         PORELLALES Schljakov, Bot. Zhurn. (Moscow & Leningrad) 57: 505 (1972).
SUBORDER: JUBULINEAE Mu¨ ll.Frib., Lebermoose 1: 403 (1909).
FAMILY:       Frullaniaceae Lorch in G.Lindau, Krypt.-Fl. Anf. 6: 174 (1914).



(http://rbg-web2.rbge.org.uk/bbs/meetings/mtgs06/Scotland/mtgs063.htm

Leaves 3-lobed, with the dorsal lobe usually entire, the median lobule forming a Frullania-type water sac, and the ventral-most segment forming a uniseriate or laminar stylus; underleaves bifid; vegetative branches mostly of the Frullania-type (Bryopteris-type on decapitated shoots); androecia on elongate to capitate Frullania-type branches, occasionally becoming intercalary; gynoecia on leading axes, with multiple archegonia; bracts and bracteoles in 3 or 4 series, without subfloral innovations; seta up to 12 cells in diameter, nonarticulate; gemmae absent. Frullania Raddi [includes Amphijubula R.M.Schust., Neohattoria Kamim., Schusterella S.Hatt., Sharp & Mizut., and Steerea S.Hatt. & Kamim.]


(http://ifilipefranco.wordpress.com/2007/06/13/concurso-de-ilustracao-cientifica-scientific-illustration-competition/)

There are many species of Frullania present in Sri Lanka. According to A checklist of the Liverworts of Sri Lanka by B.A. Abeywickrama & M.A.B. Jansen, there are 16 species of Frullania present in Sri Lanka. 

References:
1.Stotler B.C et al. 2009, PHYLOGENY AND CLASSIFICATION OF THE MARCHANTIOPHYTA, EDINBURGH JOURNAL OF BOTANY 66 (1): 155–198.
2. Abeywickrama B.A & Jansen M.A.B., 1978,  A checklist of the Liverworts of Sri Lanka. UNESCO - Man and the Biosphere National Committee of Sri Lanka: Publication No: 1