PITCAIRNIA. - BROMELIACEAE (AUCTORE C. MEZ). 453 | 
119. P. densiflora (Brongn. in Hort. Univ. II, 228, c, fig.); foliis 
regulariter alternantibus dimorphis, alteris subsquamiformibus alteris 
elongatis super vaginam perlonge angustatis petiolum indestinctum 
formantibus, adultis glabris, inermibus; scapo permanifesto, vaginis 
internodia longe superantibus involuto; inflorescentia dense spicata; 
bracteis late ovalis, acutis, sepala apice spinulà imposilà rotundata 
omnino velantibus; petalis aurantiacis, ligulatis, stamina paullo super- 
antibus; ovario ultra 3/4 longit. supero; ovulis caudatis. — C. Koch 
in Ind. Sem. hort. Berol. 1856, App. p. 3 et 1867, App. p. 4; Bak. 
Brom. p. 114. — Phlomostachys densiflora Beer, Brom. p. 46 (e. p., 
excl. descript. et syn. Pitc. maïdifoliæ, P. maïzaifoliæ.) — Pitcairnia 
aurantiaca Ten. in Ann. Sc. Nat. ser. 4, [I (4884) p. 378. — Lam- 
proconus aurantiacus Morr. ex Bak. Brom. p. 114. — Puya auran- 
tiaca hort. ex C. Koch in Ind. Sem. hort. Berol. 1856, App. p. 3. 
Folia altera reducta ovato-triangularia v. ovalia, breviter pungen- 
terque acuta, brunnescentia v. pallida, altera elongata super vaginam 
breviter lateque triangularem, dorso membrana albida lepidota ob- 
tectam perlonge contracta petiolum sæpius 0,3 m. longum, canalicu- 
latum formantia, demum in laminam anguste lanceolatam perlon- 
geque acutam, usque ad 0,5 m. longam, 35 mm. latam producta. 
Scapus validus, foliis super vaginam tubulosam triangularibus per- 
acutisque, suberectis, dorso brunneo-lepidotis auctus. Spica perdensa, 
subpauci-v. submultiflora, foliis longe superata, cylindrica v. sub- 
corymbosa, sueto ad 80 mm. longa, 40 mm. diam. metiens, apice late ` 
obtusa; bracteis rubenti-flavis, ad 45 mm. longis, Flores 65-70 mm. 
longi, erecti ; sepalis cum ovario lanuginoso-lepidotis, 24 mm. longis, 
e basi 4,5 mm. lata subtriangularibus, apice acuminulo spinuliformi, 
2 mm. longo, imposito auctis. Petala 63-67 mm. longa, inzequalia, 
apice aculiuscula, 7 mm. a basi ligulis magnis, grosse paucidentatis 
aucta. Antheræ 13 mm. longæ. Capsulam non vidi. 
Mexico, in montibus circa S. Juán: Hahn n. 506. — Floret Julio. 
(V. v. in hort. Leod. et sicc. in herb. C. Koch., Paris., Petrop.) 
120. P. Altensteinii (Lem. in Fl. serres II, descr. ad t. 162); foliis 
homomorphis, permanifeste petiolatis, omnino inermibus, dorso lepi- 
dotis v. + glabratis; scapo conspicuo, vaginis internodia solemniter 
superantibus aucto ; inflorescentia perdense subspicata ; bracteis ova- 
libus apiceque breviter acutis, sepala apice rotundala celantibus; 
petalis lacteis, rudimentarie ligulatis, stamina æquantibus v. paullo 
superantibus; ovario ad 4/3 longit. supero; ovulis longe caudatis. — 
C. Koch in Ind. Sem. h. Berol. 1837, App. p. 4; Bak. Brom. p. 111. 
