itsssE? HonTus JA^fA^CENSIS, no 



23. SINUATA. SINUATE. 



Stemless; frond flat, pinnatifid, sinuate j the extremities unequally two-lobed^ 

 peduncles shorter uian the frond. 



24. ri'COIDEA. Fucus-traE. 



^temless, erect, supra-decompound ; leaves and leaflets opposite, the lattejP 

 linear. 



25. BIPINNATA. DOUBLY-PINNATE. 



Stemless, procumbent, branched, bi-pinnate ; divisions and sub-divi^ions, 

 linear, acute. 



26. r.irHOTo%rA. dichotomous, 



Stemless, linear, toiked, neany erect 



27. LINKaRIS. tINEAR. 



Stemless, frond creeringj linear, forked, divaricate; 



28. POLYPHYl.IA. MA^Y-LEAVEI>. 



Stemless ; fronds crowded, somewhat creeping, iaciniate and palmate ; fruifc 

 radical. 



Vn. MARCHANTIA. 



This was so named in honour of Nicholas Marchant, M.D. 



Gen char. Male calyx salver-shaped, with numerous anthers bedded in its disk^.^^ 

 Female calyx peduncled, peltate, flowering, underneath; capsules bursting at 

 their summits ; seeds attached to elastic fibrest . One species is a native of Jamaicaf 



HIRSUTA, HaIRY. 



ATaacus saxatilis vel Ikhen, Kc. Sloane, v. I, p. S9. Terrestris vf^ 

 ridis, foiiis oblongo lobatis^ pcdunculis longioribus, capitidis pal" 

 matis. Browne, p. ss. 



Sloane and Browne call this common ground liverwort, very- common on the moist 

 ghady brinks of rivers. It is said to be the lichen of Dioscorides and Galen. Browne - 

 says it i a gentle sub-astringent cooler and laxative ; and may be very properly osdered 

 in ail cooling apozems made use of in burning fevers ; as well as for foulness and exul- 

 cerations of the skin. It is the principal ingredient, he says, in the pulvis antili/ssus, 

 which was so much spoken of as a cure for the rabies canina. The decoction is said to- 

 be good in jaundice Mr. John Lindsay, surgeon of this island, sowed the fine dust 

 ttom the fructification of this plant, also of a species of Ij/copodium and bri/um,^and, ia. 

 aproper situation, found them grow readily. 



VIII. RICCIA. 



So ivamed in honour.of P. R. Riccio, senator of Florence.- 



Gen. char. No calyx nor corolla ; anthers cylindrical, sessile, on the germ, per- 

 .forated by the style ; capsule globular, crowned with the withered anthers ; seedr 

 inany, faetnispherical, pedicelled. One species was discovered in Jamaica by. 

 Swartz. 



RETICULATA. NETTEB 



Fnoad diffonn^ Iaciniate^ smoothi netted> 



