HYMENOPHYLLUM. 01 



fined to the upper portion of the frond : the segments which hear them con- 

 tracted and in some degree changed, marginal hairs deciduous. 



14. H. IJei/ricIiiamnn, Kzc. ; " fronds curved lri])innatirid 

 decurrent into the sti])es hairy beneath glabrous above, ])ri- 

 inary segments ovato-huiceolate curved, secondary oblong, 

 their segments linear obtuse toothed setoso-ciliatc, sori ter- 

 minal, involucres ovate eroso-dentate." Kze. in PL Crypl. 

 Poepp.p. 108. 



Ilah. Trunks of trees, Peru, Poeppif/. " Also found in Sierra d'Estrella 

 by Bci/ridi. — Allied iu habit to //. claslicinii, differing in the unwinged ra- 

 chis ; and to II. fumarioidcs, \\\uch has, however, entire margins to the 

 frond, glahrous and the receptacle retuse." 



Dubious Species of this Section. 



15. n. inicrocarpum, Desv. ; " fronds tripinnatifid dilated 

 at the base elongated at the apex puberulous, pinnae subim- 

 bricated and pinnules deciurent, the latter 2 — 4-partite, the 

 segments linear obtuse toothed setigcrous at the margin, sori 

 glabrous minute, rachis and stipes with a winged margin." 

 J)esr. in Mem. Soc. Linn. iv. p. 333. Ilispaniola [Dcufan.v). 

 " Stipes 1 inch and more long. Fronds 6 inches ; pinnte I 

 inch." 



16. H. capillare, Desv. ; " fronds subtripinnatifid, lower 

 ])innae remote few, pinnules hairy on both sides subpalmato- 

 pinnatifid, the segments toothed obtuse subcontiguous, rachis 

 sinuose naked capillary and hairy." Desv. I. c. p. 333. Tri- 

 chomanes hirsutum, l)u Pet. TJiouars, Ft. Tr. (VAcunJut, p. 

 34, [excl. syn.) — Tiistan d'Acunha, Tliouars. — "Near Tri- 

 chonianes trichopJnjlluni^'' but the laciniai broader, more de- 

 current at the base, according to Desvaux. 



W Fronds primanly^esjH'ciall}/ hcloiv, pinnaledly divided. ( Sp. 17 — 28^. 



17. H.elegans, Spr.; pendulous linear elongated pinnated, 

 pinnae decurrent ovato-cuneate deeply pinnated witli 3 — 5 

 somewhat flabellate segments which are linear-oblong obtuse 

 rather distantly ciliated with long slender forked or stellated 

 hairs, costic glabrous, involucres nearly orbicular cuncate at 

 the base which is sunk in the frond, valves ciliated with long 

 hairs. — Spreng. Sifst. Veg. iv. p. 133. II. bifidum. Hook, et 

 Grev. Ic. Fil. t. 196. 



Hah. Brazil, ScUow. Surucucho, Columbia, at 5000 feet of elevation, 

 Jameson. San Carlos, Peru, Motheu-s, n. 1786. — I possess specimens from 

 the above localities, which retain all their characters. 



18. H. pulcJu'lluni, Schlecht.; fronds pendulous elongated 

 pinnated, pinna) remote ]ietiolate subrhombeo-ovale acumi- 

 nated bipinnatilid everywhere clothed with tawny stellated 



