398 MONOCOTYLEDONEAE. PITCAIRNIA. 
versus longe acuta demum breviter subfiliformia, integerrima, viri- 
dia. Scapus crassiusculus, glaber, vaginis e sublanceolato perlonge 
acutis, glabris, erectis densiuscule instructus. Inflorescentia submulti- 
v. multiflora, folia subæquans v. paullo superans, junior saltem 
+ distincle pyramidata, ad 0,2 m. longa. Flores ad 55 mm. longi, 
pedicellis infimis ad 21 mm. longis, erectis stipitati ; sepalis + 35 mm. 
longis, ultra medium sublineari-lanceolatis tum acutis, glabris. Petala 
ad 48 mm. metientia, ligulis integerrimis aucta. Antheræ 9 mm. 
longa. 
Brasiliæ orient. civit. Rio de Janeiro in montibus Organensibus : 
Gardner n. 5895, Lhotzky et prope Theresopolis ad Juiz de Fora : 
Wawra II, n. 330. — Floret Martio, Septembri. (V. s. in herb. Mus. 
Brit., Candoll., Kew., Prag. et Vindob.) 
43. P, xanthocalyx (Mart. in Ind. Sem. h. Monac. 4, adn.) ; foliis 
homomorphis, persistentibus, super vaginam longe angustatis nec 
tamen distinctius petiolatis, integerrimis v. hinc inde spinulis minutis 
auctis, subtus membrana tenui lepidota obtectis v. demum glabratis ; 
scapo permanifesto, vaginis internodia superantibus instructo ; inflo- 
rescentia racemosa, subglabra v. =+ furfuracea; bracteis lineari- 
lanceolatis, pedicellis gracilibus brevioribus; sepalis apice acutis, 
haud carinatis; petalis flavis, ligulatis, per anthesin haud revolutis, 
stamina paullo superantibus ; ovario infra medium perianthio cincto; 
seminibus utrinque caudatis. — C. Koch in Ind. Sem. hort. Berol. 
1857, App. p. 5; Bak. Brom. p. 107; Mez in Fl. bras. p. 438. 
— P. sulphurea C. Koch (nec Andr.), l. c. p. 4. — P. flavescens Bak. 
(nec hort.) in Bot. Mag. t. 6318. 
Acaulis, florifera + 4 m. alta. Folia 90 v. ultra fasciculata, basi in 
vaginam conspicuam, subovatam, glabram, dorso paullo brunnescen- 
tem sensim dilatata, nonnunquam fere 4 m. longa, 25 mm. lata sed 
siepius minora, ensiformia, apicem versus sensim acuta demum longe 
filiformia, supra glabra, læte viridia. Scapus glaber v. hinc inde lepi- 
doto-furfuraceus, viridis, vaginis e triangulo-ovato filiformi-acutis, 
integerrimis, dorso + lepidotis, adpressis præditus. Inflorescentia 
multiflora, sæpius fere 0,5 m. longa; rhachi læte v. subflavescenti- 
viridi, 3- furfuracea demum glabrata; bracteolis flavidis, debillimis, 
ad 13 mm. longis, apice breviter acutis, patentibus v. reflexis, præ- 
sertim dorso albide lepidotis. Flores lutei pedicellis omnibus subæqui- 
longis, 10-20 mm. metientibus, + lepidotis, patentibus stipitali, ad 
52 mm. longi sed sæpius paullo minores ; sepalis 3- 15 mm. longis, 
basi 5 mm. latis, triangularibus, haud. mucronatis, apice sæpissime 
