128 



basali libero parvo caulem vix velante, mammilla vix ulla, raro 

 radicellifera ; cellulse parvce, suba^quales, ambitu late opacse, 

 pariete pellucldo ad angulos perpaulo incrassato. Flores 5 ter- 

 minales, innovati, saepe dichotomiales. Bractea^ foliis subbreviores 

 erectae, complicate, lobo subfalcato-oblongo, lobulo fere acquilato 

 duplo (vel solum dimidio) breviore. Perianthia foliis plus duplo 

 longiora, clavata, inferne teretia, ore compresso truncato subcren- 

 ulata. Androecia in caule ramisque media^ rarius terminalia ; 

 bracteae paucijuga^, foliis breviores, turgid^, lobulo lobi 



aequante.— Folia 1.3X0.9, lobulus (ad carinam) .5, cellule ^5; 

 bracteae lobus i.i X.55 ; perianthium 3. OX. 3 (basi)X.7 (apice) miii. 



Hab. Ad arborum ramos in prov. Yungas, Bolive, alt. 6,000 

 ped., socia R. Xalapensi Mont. — R. Cordovana Steph. in ' Hed- 

 wigia ' (1884), huic quoad florescentiam proxima, differt foliis ova- 

 tis, baud decurrentibus, et periantliio a basi obconica oblongo. 



SCAPANIA, Dumort. ' 



S. PORTORICENSIS, Hampe et G., Hep. Portoricenses (1853); 

 5. splendida, Spruce, Hep. A. et A. (1885). Yungas, alt. 6,000 



ped. (No. 3,068 p.p.) 



ISOTACHIS. Mitt. 



I. SERRULATA (Sw). Yungas, alt. 6,000 ped. (No. 3,037). 

 Unduavi, alt. 10,000 ped. (No. 3,038.) Specimina pulcherrima ! 



HERBERTA, Gray. 

 Herberta serrata, n. sp. 



Dioica, rufo-fusca, caule bipollicari, a basi tenui subrhizoma- 

 tosa parce flagellifera assurgens, simplex vel subramosa. Folia 

 magna, densa, inferne breviter erecta dein subsquarroso-secunda, 

 foliolaque (vix minora, magis exacte transversa) dimidio inferiore 

 ovalia concava, margine runcinato-dentata, basi subsagittatim pro- 

 ducta, ad medium bifida ; laciniis lineari-subulatis, acutis, canali- 

 culatis, in^qualiter serratis ; cellular subconcolores, axiales (pluri- 

 seriatae) majusculae, lineares, plerumque medium versus utrinque 

 isthmo tenui cum coUateralibus anastomosantes, marginales bre- 

 viores subrhomboidea^, omnes valde pachydermes, pariete latissi- 

 mo. Flores ? in caule terminales, innovati- Bracte^ plurijug^ 

 foliis submajores, dense imbricatai, profunde bisulcse, infra medium 

 arete runcinato-dentatae ; laciniae laciniato-serratse.^ — Foliorum 

 pars Integra 2.0X1.35, laciniae 2.0X0.5, cellule mediae ^V, sub- 

 marginales h nim. 



s< 



