ADELANTHUS. 407 
Folia 1-2x 85, 1:0 x “75, 8x65; ¢ g5-,1,; bractee 9 1:0 longe; per 
29 x 11,13 x 0°9; br g °4 longa; br’*. 25 x +125; anth -125™™, 
Cwespites lati, ex albido flavicantes. Caudices prostrati, nigrescentes, 
tenues fragiles intricato-ramosi subaphylli, subtus radicelloso-tomen- 
telli, caules ascendentes et flagella demissa proferentes. Caules 
1-1}-pollicares, subrufi, simplices parcissimeve ramosi, ramique 
decurvi, siccando fere circinati, tenues vero validiusculi, basin versus 
—aliquando etiam apice attenuato—microphylli, ipsa basi subra- 
dicellosi, caeterum arhizi. 
Folia dissitiuscula, accumbentia, fere, transverse inserta, basi antica 
brevissime decurrentia, madefacta lateraliter patentia plane succuba, 
siccando decurvo-secunda appressaque unde incuba viderentur, 
oblique ovato-rotunda (ramea subobovata), margine antico rectiusculo 
toto fere anguste incurva integerrimaque vel apicem versus 1-2- 
dentata, postico rotundato spinuloso-serrata-dentatave, dentibus 
15-20 subinzequalibus divergentibus ; nonnulla apice subbifida. Cel- 
lule parvule subeequilaterze pellucidee, limitibus pallide flavidis 
validiusculis, ad angulos parum incrassatis, endochromio pallido, v. 
sparso v. in annulum congesto; marginales (anticze precipue) 
crassiores, transverse rectangulares; subbasales plurime medi 
exteris duplo majores, subelongatee, discolores, vittam fingentes. 
Flores dioici: utriusque sexus e caudice, vel caulium basi nuda, orti, 
postici. Bractee 2 sub 3-jugse, tristichee; intimee (laterales) f. 
eaulinis subsequimagnze, suborbiculatee, latiores quam longe, apice 
varie lobate, lobis imciso-spinosis ciliatisve; bracteola tamen seepe 
multo longior, anguste oblonga, superne parce spinuloso-denticulata 
apice ciliata. 
Perianthia alte emersa ovato-fusiformia (subinde breviora et subrotunda) 
turgida, obtuse 3-5-carinata, ore constricto ciliata. Calyptra 
(juvenilis, et cum capsula adhuc conereta) incrassata, e cellularum 
stratis 4 conflata, pistillidiis sterilibus obsita. 
Amenta ¢ tenuia albida incurva; bractez 3-8-juge, julaceo-imbricate 
tenerrimz suborbiculatee (multo latiores quam long) cochleato- 
concave, apice rotundato spinuloso-denticulate v. subintegerrime, 
margine antico toto in lobulum apice spinosum late incurvee involu- 
teve, singule antheridium solitarium magnum globosum, vel duo 
parvula, foventes. Bracteolee ubique adjectee, bracteis vix duplo 
breviores, cuneato-ligulate, apice breviter bifidee, segmentis apicu- 
lato-acutis, subdenticulate. 
XVIII. ANOMOCLADA Spruce, Journ. Bot. (May, 1876). 
Plante lignicole, dense depresso-ceespitose, serpentino-reptantes, 
ramos foliosos floresque utriusque sexus e caulis facie antica media, 
radicelliferos (flagella) e postica, proferentes. Folia magna, succuba, 
basi obliqua inserta, assurgentia, apice decurva, subtus crispula, 
integra, celluloso-erosula; cel/ulcee mediocres pellucide incrassate. 
Foliola ubique presentia parvula in mucum plus minus dissoluta. 
Flores dioici: @ ramulo brevi proprio antico constantes; bractece 
tristiche, trijuge, bifide, tres intime basi perianthio leviter adnata, 
duz antic basi connate. Pistillidia circiter 20. Perianthia 
