RADULA. 3 
bo 
5 
quadrata Gottsch. et R. afinis L. et G., quoad colorem et texturam nostree 
sat similes, lobulo subquadrato distant. 
13. RADULA INVOLVENS, Spruce. 
Hab. Andes Quitenses, in sylva Canelos, ex arboribus pendula vel super 
Plagiochilas reptans. 
F.1:25 x °9, lobulus -4—5 ; c¢ Ay™™. 
Elata flaccida rufo-badia. Caules tripollicares purpurascentes flexuosi 
laxepinnati, pinnis brevibus. 
Folia subimbricata, a basi turgid& (ad carinam arcuatam ascendente) 
faleato-divergentia; lobus oblique semicordato-ovato-oblongus ro- 
tundatus (sublingueformis), basi caulem obvelans, dimidio supero 
valide involutus, margine angulato-repando, facie subpapulosa ; 
lobulus triplo fere brevior trapezoideus, apice valde obtusangulus, 
seepe bis implicatus, carinam versus alte mammillatus radicellasque 
in fascias duas divergentes colligatas proferens; cellule parve 
convex valde opacee, trigonis autem magnis pellucidisad cellularam 
angulos interpositis. 
Ceetera haud visa. 
R. amazonice proxima, distincta tamen foliis ovato-lingueformibus 
involutis asperulis; lobulo haud quilatero, ejus angulo apicali 
preelato. 
Subtribus I]. PORELLEZ. 
Platyphylle Nees. Hep. Eur. pro parte. 
Plante elate speciose, virides, flavide badizve, interdum 
polite, czespitoso-erectee-penduleve, vel procumbentes et stratificatee. 
Caules e caudice repente radicelloso, in etate dissoluto, oriundi, 
robusti, cellulis sub 12-stratis (24 c. in diametro) conflati, subarhizi, 
plumeeformi-pinnati et bipinnati; rami omnes laterales, e folu axilla 
orti, basi tam lobo quam lobulo contigui iisdemque velati. olia 
magna, alterna vel per paria approximata, incuba, basi fere 
transversa inserta, complicato-bipartita, ad sinum nuda vel spe 
appendiculo deorsum spectante, integro vel fisso, aucta; lobus 
anticus major, patens, subovatus, apice lato integerrimus raro 
dentatus ; lobulus subduplo brevior suberectus ligulatus (late 
linearis) integerrimus vel dentatus, basi externa in aliis speciebus 
in caule longe lateque decurrens, ibidemque profunde incisus et 
erispatus ; cellule 4—,7™, sepius suboblongo-hexagone, ad 
angulos incrassate, inferiores interdum majores et discolores. 
Foliola ubique presentia, lobulis subconformia, pro m. paulo latiora, 
apice integra, basi integra vel utrinque ad lobulorum instar in 
cristam decurrentia, unde caulis in tergo ad speciem alatus vel 
squamosus evadit. lores omnium dioici: 2 cladogeni, ramulo 
TRANS. BOT. SOC. EDIN. VOL. XV. 27T 
