12 BRACHIO-LEJEUNEA. 
F165x1:1 (x 1°35, a lobule bast mensa); lob “7; ¢ ao-ds; ft 9x1'15, 
115x115; br 20x15; 674 1:2x1:05 per 13x "/5E 
Elata, fusco- et fulvo-badia, sieacene caules ee 3-5-pollicares 
nigricantes parce pinnati et subbipinnati, ramis 2 pro more dicho- 
tomis. 
Folia imbricata patentia semicordato-ovata apice decurvo abrupte acuta 
apiculata v. acuminulata, integerrima vy. suprema apice subserrulata, 
basi caulem paulo transeuntia, subsinuato-complcata; lobulus plus 
duplo brevior triangularis appressus, basi alte incurrens (cum lobo 
sacculum compresso-ebconicum efformans), margine transverso sub- 
convexo 5-crenulato, crenulis cellulam unicam opacam sistentibus; 
cellulae parvulee subconformes eequilaterze v. parum elongate, subcon- 
vexee, pariete ad anculos sat incrassato, utriculo interdum collapso. 
Foliola imbricata cuneato-reniformia-orbiculatave, decurrentia, basi ipsa 
biauriculata, auriculis semicircularibus v. falcato-oblongis conniven- 
tibus, margine supero rotundata valideque recurva. 
Flores dioici: 2 dichotomiales. Bracteze foliis majores biloba, vix com- 
plicatz, lobis late oblique ovatis sensim subacuminatis acutis serrulatis 
ad carinam latiuscule semiovato-alatee, lobulo duplo breviore intra 
lobi marginem insidente; bracteola longe brevior obovato-cuneata 
integerrima, apice rotundato recurvulo. 
Peri: unthia subimmersa oblonga obtusa compressa lcngirostria, a basi ad 
2 alt. levia, dein ad apicem usque alte 10- plicata, plicis undulatis, 
rostello e cellulis 6-seriatis constante quasi 6-striato ore subdilatato. 
Flores ¢ medio ramo basive positi; bracteze plurijugee foliis proximis 
paulo breviores, lobulo submajore magis inflato; antheridia bina 
supraposita longe stipitata. 
Var. conferta Syn. Hep. Valde densifolia, caule rufo ; foliis obtusis v. 
abrupte acutis (nec acuminatis) recte complicatis, lobulo sublongiore. 
ad plicam subinflato; foliolis latioribus brevioribus.—In M. Lamas, 
ad fruticum ramulos. 
Var, Chinantlana, Gottsch. Mex Leverm. Folia laxe imbricata angus- 
tiora sensim longe acutata subacuminatave, basi decurrentia et sub- 
saceata. Fololalongiora basin versus crispula, auriculis majusculis. 
Bractee anguste lobulatee plerumque explanate, dorso plus minus 
late alatee; bracteola obovato-ligulata apice lato emarginato-bifida, vel 
etiam ad 4 fissa, sinu triangulari. Perianthie 
M. Chimborazo, e ramulis pendula.x—Cum planta Mexicana, 1. e¢. 
descripta, bene congruit. 
Exemplaria typica LZ. bicoloris in hb. Hook., a Swainson in Brasilia 
lecta, minora sunt, foliis inferioribus obtusis, superioribus solis acutis, 
Foliola e marginis recurvatione interdum subquadrata videntur, expla- 
nata tamen eandem formam habent ac in nostra. 
Wel, 
Suncenus XV.—HOMALO-LEJEUNEA, S. 
(= Marchesinia, Gray, = Phragmicoma, Dumort). 
Elata rufescens badiave raro apice virescens. Caules, e caudice brevi 
repente spe cito dissoluto, 2-6-pollicares, suberecti pendulive, 
