148 GVMNOGRAMME, § CEKOPTERIS. 



Hab. My first specimens of this delicate Fern were received from Bourbon and 

 Madagascar, marked as G. rosea, Desv., and G.farinosa, Bojer, mss., from the 

 Paris Herbarium, Bory, and from Bojer. I have s'nce received it from South 

 Africa, Pappe, and from Gueinzius, and it is unquestionably the P. conspersa, 

 Kze. — Its nearest affinity is with G. sulphnrea, from which indeed some states 

 are not very distinct, and like it is variable in character as to size and shape of the 

 pinnules and in the farinaceous substance beneath being white and then generally 

 laxly dispersed : the l)righter the yellow, the more copious the covering. Some 

 very membranaceous specimens have pinnules so large and so membranaceous and 

 so deeply cut as to resemble some forms oi Adiantum Capillus- Veneris. 



47- G. (Ceropteris) calomelanos, Klfs. ; caudes short stout 

 subei'ect, stipites tufted 1-2 feet long ebeneous-purple or 

 black (as is the racbis), fronds 1-2 or 3 feet long oblong acu- 

 minate coriaceous clothed beneath with a white yellow or 

 orange puverulent substance bi-sul3tripinnate, primary pinnae 

 lanceolate 6-10 inches long, secondary ones 1-1^ inch long 

 oblongo-lanceolate cuneate at the base and subdecurrent 

 more or less acute or acuminate inciso-serrate pinnatifid or 

 at their base again pinnate their apices sometimes sharply 

 serrated, lowest superior basal pinnules often subauriculate, 

 veins erecto-patent dichotomous, sori linear or forked red- 

 dish-brown occupying the forked veins. — Klfs. En. Fit. p. 76. 

 Hook. Gen. Fil. t. 76. Hook. Gard. Ferns, t. 50. G. chryso- 

 phylla, Klfs. ? Acrostichum, Linn. Sp. PL p. 1529. Sw. 

 Syn. Fil. p. 15. Schk. Fil. p.4.t.5. Willd. Sp. PL v. p. 1 23 . 

 Hort. Berol. t. A\. Fisch. and Langsd. Fil. t. 3 {very good). 

 Ceropteris, Link, Fee. C. distans, Fee. 



Hab. All over tropical America and the West Indian islands, most abimdant. 

 Tropical Western African islands. Prince's Island, and Fernando Po, Barter, Gus- 

 tav Mann. — I have, in 'Garden Ferns,' 1. c, shown that no dependence can be 

 placed on the colour of the pulverulent substance of this species; it varies from 

 pure white to siilphur-yellow and bright orange ; indeed I have seen and repre- 

 sented the two latter colours each quite distinct on one and the same pinnule. 

 The jiinnules are very variable also in shape and in being more or less acuminated. 



48. G. (Ceropteris) tartarea, Desv.; "caudex ascending, 

 fronds 1-2 feet long subcoriaceous glabrous above beneath 

 white with a powdery ceraceous substance ovate acuminate 

 bipinnate, primary pinnee linear-oblong obtuse or the lowest 

 ones ovato-lanceolate obtuse, secondary ones confluent with 

 a very narrow wing oblong rotundato-obtuse at the apex, the 

 margin serrulate, lowest ones pinnatifid, the segments oblong 

 obtuse." Met I en. —Desv. Berl. Mag. v. p. 305. Klfs. En. Fil. 

 p. 75. Metten. Fil. Hort. Lips. p.4\. Ceropteris, Link, Fil. 

 Hort. Berol. p. 142. Acrostichum, 8iv. Syn. Fil. p. 15. 

 Gymnogramme dealbata, Link. Ilemionitis, IVilld. Sp. PL v. 



