CRYPTOGAMIA. FtLiCES. 1892, 1893. *7°3 



hirteVmn. Tripinnate, circinate when dry ; fubdivifions linear, ra- 

 ther acute, hairy: rib margined Swart, ind occ. 



clavatum. Tripinnate, oblong, acute \ fubdiviiions linear, ema'rgi- 

 nate : rib rather margined, Swart- ind. occ. 



Polyanthos. Tripinnate, deltoid • ftibdi villous linear, obtufe, entire: 

 fta'k or rib margined. Swart hid. occ. 



mult ifidi,- rn. Decompound : divifiohs decurrent, forked ; fegrnents 

 linear, fharply ierrate : fruclirication hipra-axillary, folitary. 

 Forft* Trichorn. 



1892. SCHIZyEA. Fructification on the back of an appen- 

 dage to the frond: involucres coxa'tniied, from tht inrlccted 

 margins of the appendage. 



peclinata. Frond fimpte, naked : appcadages leaning one way, con - 



nivent. 3m. Act. \.t 12 /. 4. 5. AcrolL 

 dichotoma Ffond forked, vv-ivh linear fegments : appendages of the 



frond cbnnivent. Linn Acmft. 

 elegans. Frond forked ; fegments dilated, unequal, cloven, nerved : 



appendages reVolute. Vahl fymb. 2. /. 30. 

 fpicata. Frond fimple, lanceolate, tapering : appendages folitary, 



linear, erecX Smith ic. ined tab. 49. 



B- Ex annul ate. 



1893. OSMUNDIA. Fructification crowded, nearly globu- 

 lar, pedicelled, difpofed in a raceme or on the b<;ck of the 

 frond, 1 -celled, 2-valved. 



A. Stems bearing racemes at the bafe of the frond. 

 phyllitidis. Frond pinnate ; (talk fmooth Plum, fit t 156. 

 hirta. Frond pinnate : (talk hairy. Plum.fil t. 1^7, 

 hirfuta- Frond doubly pinnate, hairy- Plum, fit t. 162. 

 adiantifolia. Frond more than decompound. Plum fits I. 158* 



B. Racemes on difiincl J capes* 

 hipinnata. Racemes pinnate : frond bijpinnatind. Plum fit t 50,. 

 cervina. Racemes pinnate r frond pinnate ; ferments entire. 



PL t. 152. 

 murita. Racemes pinnate ; racemclets digitate : frond pinnatifid be- 

 low, pinnate above ; fegments at the bale gibbous upwards. 

 Swart, ind occ. 

 verticillata* Racemes whorled, fimple : frond more than decom- 

 pound. Plum. fl. t. t6o. 

 Jiliculifolia Racemes pinnate: frond more than decompound. PLt. i6n 



C. All the fronds fertile. 

 cjaytoniana. Frond pinnate : divisions pinnatifid, contracted by 

 fruiting at top. Linn* 



