[ 1670 ] 



' r . Wood \va rdia. Capfules in oblong distinct dots near the rib ; 



involucres fuperficial, van ted, opening inwards. 

 1885. Linds7£a. Capfules in a continued nearly marginal line : 



involucres fuperficial, opening outwards. 

 1 £26 Adiantum- Capfules in distinct dots or lines distributed on 



the margin of the frond: involucres membranaceous, originating 



from the replicate margin, opening inwards. 

 i8?7. Davallia Capfules in distinct marginal dots: involucres. 

 Flooded, Superficial, distinct, truncate, opening outwards..' 



Capfules in rbundim distinct marginal dots: 



involucres d'Ttio'e; one fuperftcial, opening outwards; the other 



from ill: I margin of the frond, opening inwards. 



1 Cyathea. Qaffules in 'fpundiih fcattered dots, feated on * 

 urrinar receptacle, with the calyx-like involucre which opens 



upwards. 



1890. Trichom Qapfules in fomewhat exferted marginal 



lumn, within the cup-ihaped 1 - leaved invo~ 

 es. 



1891. H vmenop.hylluM. Capfules'm fomewhat exferted margi- 

 nal dots, featedorj a column, within the 2-vaived fiat involucres. 



1892. Schiz/ea. Capfules crowded, on the back of the appendage. 

 oi the frond ; involucres contituous from the inflecled margin of 

 . N appendage. 



B. Capfules without the claflic ring, opening in the middle. 



1893. Osmundia. Capfules i-celled, crowded, fomewhat globular, 

 pedicelled, difpofed in a raceme or on the back of th*r frond. 



1894. Lygodyum. Capfules i-celled, folitary, within Ihe imbri- 

 cate 2-rowed fcalesot the jnarginal fpikes: of the frond, fefTile. 



l8o>. Gleickenia. Capfules 1- celled, 3 together, oval, llightly 



imtrie^fed in a hollow on the ramifications of the frond, fefTile. 

 1,896. Angiopteris. Capfules 1 -ceiled, oval, difpofed in a line 



near the margin of the trend, approximate in a double row, feilile 

 1897. Danjea. Capfuko ;..i.*r»y-celled, oblong-linear, parallel, im- 



merfed in the fronsl; c^lis in adoubie row, opening upwards. 

 1898 Marattia. Capfules many-celled, oval, fcattered, 2-paj;- 



tihle upwarc!«:/fj7j in a double row, gaping. 



C. Ex annulate, fern*Wke. 



1899. PsTl>c-i um. Capfules globular, fcattered, about 3-grained, 

 axillary-lateral, feiliie, 3-celled, opening by 3 valves at top. 



1900. Botrychium. Capfules nearly globular, diftinct, cluttered 

 in a raceme-like fpike, i-celled, opening from the top to the bafe 



1901. Ophioglossum. Capfules nearly globular, united in a fome- 

 what jointed 2-rowed Hike, 1 -celled, opening tranfverlely. 



1902. Lycopodium, Capfules^ fefllle, folitary, axillary, kidney- 

 forai^ 2-vaived, opening elaftically. 





