PLAGIOCHILA. 491 
patula” of “Spec. Hepat.,” where both figure and description are remote 
enovgh from anything I have ever gathered. Swartz, as is well known, 
preserved in his herbarium, and gave to his friends, sometimes two or 
more species under a name published in his Flora of the West Indies. 
53. PLAGIOCHILA LAMELLISTIPULA, Spruce. 
Hab. Andes Peruvianos, in montibus Campana et Pingullu, alt. 1100™ 
ad arbores. 
F 30x15, 2°75x15; ¢ ay3 per 40 x 2°5m™, 
Caules e candice repente ascendentes 3-4-pollicares parce dichotomi, an- 
gulo furearum subdivergente, ramis longis arcuantibus subcircina- 
tisve, neque attenuatis nec flagellaribus. 
Folia fulva confertissima patula, sicea parum mutata, semicordato-acinaci- 
formia apice acuto truncatove 3-6-spina, margine antico rotundato 
basi recurvo integerrima, postico recto vel subconcavo medium versus 
sepius integerrima vel 1-2-denticulata, basi semicirculari breviter 
5-8-spina; cellule parvulee opacee subzequilatere. 
Foliola orbiculari-reniformia vel subpeltata, primum biloba, utroque lobo 
plurilaciniato, basi utrinque e laciniis divaricatis hastata, media facie 
interna squamulis 1-4, lanceolato-subulatis sublaciniatis aucta. 
Flores 2 terminales. Bracteze unijugze perianthio appress, foliis majores, 
spinoso-serratee undulate; bracteola foliolis paulo major, subcon- 
formis, perseepe perianthii tergo adnata. 
Perianthia subemersa obovato-cuneata, antice posticeque anguste sub- 
spinoso-alata, ore compresso rotundato longispina. 
Pl. hypnoide major, Pl. cristatam eemulans, ab his ceeterisque congeneri- 
bus foliorum forma foliolisque differt; ramis pectinatim foliosis facie 
externa myriapoda nonnulla simulat. 
54. PLAGIOCHILA THYSANOTIS, Spruce. 
Hab. Ad truncos, preecipueque ad arbuscularum ramos, in sylvis flum. 
Amazonum humilioribus et recentioribus, in iis pre aliis juxta fl. 
Negro ripas frequens. 
£2010, 2°2x 1:2; cell Pos; f'2°5 5 per 3:0x1°7, 35x 15mm, 
Caudex in cortice longe arcte adrepens. Caules 1—3-pollicares, liberi et 
a matrice (seepissime fruticis ramulo) utrinque horizontaliter patuli, 
stratificati, validiusculi stricti, in planum iteratim dichotomi, angulo 
dichotomiz acuto, frondes semiorbiculares flabelliformesve effor- 
mantes, ramique pectinatim polyphylli. 
Folia viridia vel flavida, ad vel ultra 4 imbricata, semicordato-ovato- 
oblonga, vel superne fere parallellogramma, apice truncato 4-5-spina, 
margine antico recurvo longe oblique decurrente solum sub apice 
explanato et 1-2-dentato, postico spinuloso-serrato, spinulis omnibus 
ad 30, illis ad auriculam semilunatam amplexicaulem vel reflexam 
ciliiformibus hamatis; cellule parvule equilateree ad angulos con- 
spicue incrassatee. 
Foliola parva 4-5-partita, laciniis flexuosis perangustis inzequilongis. 
Flores dioici: Q in ultimis ramulis terminales, rarius e dichotomiis, 
Bracteze 2—4-jugee sese perianthiumque arcte tegentes, foliis majores, 
undulate basi dilatatee, circumcirca inciso-serrate, dentibus varie 
directis. 
