OpoNTO-LEJEUNEA. 147 
descriptione Montagnei, lc., “foliis suborbiculatis, amphigastriis basi 
utrinque spinoso-dentatis cweterum integerrimis,” sat bene convenit. 
Odonto-L. calearata, in omnibus suis formis, ab Odonto-L. lunulata 
mihi distincta videtur foliolis magnis argute dentatis bast sagittatis ; 
lobulis multo altioribus quam latis; perianthiis apice fere truncatis, 
rostello longo ore fimbriato mucronatis. 
Obs. I have never seen an authentic specimen of Montagne’s Lejeunea 
calearata, and as he himself in the ‘Sylloge’—his latest work—concurred 
with the authors of the ‘Synopsis’ in regarding it a mere variety of L. 
lunulata, | am doubtful if the plant above described be the same. My 
plant I believe perfectly distinct from L. lunulata, especially by the 
sagittate under-leaves, produced at each basal angle into a long sharp spur, 
or spine, and not unlike a swallow’s tail, or the tailed wings of a Papilio, 
whence the name I gave it many years ago, Lejewnea chelidonura. 
3. ODONTO-LEJEUNEA RHOMALEA, Spruce. 
Hab. In sylva Canelos, ad Rio Verde fl. Pastasa affluentem, alt. 1400 m., 
in ramulis. 
F20x16,1:8x15; lobuls plica ‘6—5, alt °75-6; f"* 85 x 1:1; ¢ 3A—™. 
Robusta rufo-badia, in sicco valde crispa. Caules 2-3-pollicares repentes, 
ramos inzequilongos subdivisos, alios assurgentes, edentes. 
Folia arcte (ad 2 lat.) imbricata semicordato-ovata rotundata margine 
toto serrato-vel spinuloso-denticulata, basi antica caulem transeuntia, 
sinuato-complicata, plica recta transversa folio plus 3-plo breviore; 
lobulus planissimus subobliquus triangulari-ovatus, angulato-crenatus, 
crenulis 4 v. 5 cellulam unicam opacam sistentibus; cellulz mediocres 
equilatere, versus folii medium basinque majores. 
Foliola foliis plus duplo breviora, a basi cuneata sagittata reniformia, 
apice lato undulato-crispo integerrima, basin versus spinuloso-dentata, 
dentibus utrinque 4-5, infimo magno. Foliola caulis ramorumque 
repentium discum radicellarum magnum gerunt, ramorum assur- 
gentium tamen arhiza sunt. 
Ceteris affinibus robustior, siccando crispatissima, foliis maximis latis- 
sime imbricatis haud falcatis, lobulo toto margine distanter crenulato 
(nee apice solo 2-3-dentato, ac in L. lunulata) et foliolis apice preelato 
crispo integerrimis solumque prope basin dentatis, facile distincta species 
videtur. JL. calcarata folia habet laxius imbricata fere dimidiata, lobulo 
eodem fere ac L. lunulate, et foliola rotunda basi longius sagittata margine 
toto spinosa. 
4. ODonTO-LEJEUNEA CHEZROPHYLLA, Spruce. 
Hab. Andes Peruvianos et Quitenses: Tarapoto, in foliis vivis, necnon in 
Bryo-Lejeunea diffusa repens, alt. 600; Tunguragua, in arborum 
foliis, alt. 2100™, 
F13x1°0; lob 5; ¢ dy; f'*-55x°55; br’* -9x°65; per 1:2 x ‘gam, 
Prostrata, sat robusta, rufo-badia, siccando crispa. Caules bipollicares, 
ineequaliter bipinnati, plus minus intricati.. 
Folia laxiuscule imbricata, angulo 60°-80° patentia, late oblique ovata 
rotundata, basi antic& lata caulem obtegentia, convexa, subcrispula, 
margine circumcirca fere dentata, postico valide late decurva basinque 
