51 



APPENDIX. 



DOUBTFUL AND DISCARDED SPECIES. 



1. Aspidium (Poly stichum?) stramineum. Kaulf. Fromh 

 2-pIiinate ; piniKe oblong-trapeziform, mucronate, serrate, 

 auricled at base, rather hairy below ; sori scattered, placed 

 near the maro;in ; rachis and stipes very scaly. K. Sprengd, 

 in Linn. Syst. Veget., vol. 4, p. 105. 



2. Aspidiuni (Lastrea ?) oppositum. Kaulf. Fronds .3-pin- 

 nate or supra-decompound, lower pinnm opposite, 2-pinnatifid, 

 smooth ; their pinnules one-sided, oblong-lanceolate, decur- 

 rent, confluent at base ; tertiary inferior pinnce ovate-oblong, 

 entire ; terminal ones rather acute, sub-dentate. Sori solitary ; 

 rachis sparingly scaly. Sprengel. 1. c, p. 108. 



3. Asplenium flexuosum. Schrad. Fronds pinnate ; pinnce 

 ovate-lanceolate, acute, pinnatifid ; segments lanceolate-cu- 

 neate, truncate, 2-dentate at the apex ; loioer ones deeper 

 incised; uppermost confluent; rachis flexuose, glabrous. 

 Schlecht. Adumb., p. 29. (A. discolor. Nob. ?) 



Locality not recoi-ded. (Rev. Mr. Hesse.) 



4. Pteris cuspidata. Thbg. Fronds pinnate, smooth ; 

 pinncB alternate on very short stalks, lanceolate, cuspidate, 

 serrate, straight-veined. Stipes half-round, doubly channelled, 

 glabrous, 12 inches high. Thbg. Flor. Cap., p. 732. 



5. Pteris tabularis. Thbg. Fronds pinnate, glabrous ; 

 pinnce alternate, sessile, approximate, lanceolate, veiny ; lower 

 ones short; terminal pinnoi 3-5 fid. Stipes half-round, chan- 

 nelled, smooth. Caudex clothed with long ferruginous scales. 

 Thbg. Flor. Cap., p. 732. 



In moist places on Table Mountain. (Thunberg.) 



6. Pteris (Allosorus?) involuta. Sw. Fronds 2-pinnate, 

 oblong-lanceolate; pinnae opposite, oblong, short; pinnules 

 alternate, adnate, subcordate-ovate, blunt; terminal one 

 3-lobed or hastate, all of them entire, subinvolute, glabrous. 

 Fructification marginal, continuous. Stipes round, black- 

 purple, glossy, sparingly paleaceous. Schlecht. Adumb., p. 46. 



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