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150 FIELDIANA: BOTANY, VOLUME 28
ad 25 cm. longis, ad apicera versus minute tuberculatis; bracteis
florigeris elliptic is, apiculatis, 5 mm. longis, quam pedicellis multo
brevioribus; floribus patentibus, saepe secundis; pedicellis 1 cm.
longis, gracilibus, tuberculatis; sepalis anguste triangularibus, ad
27 mm. longis, ecarinatis, subcoriaceis, densissime grosseque
tuberculatis; petalis delapsis solum cognitis, linearibus, 5 cm.
longis, nudis; staminibus verisirailiter inclusis; ovario 4/5 supero;
ovulis caudatis (Fig. 22, c).
Type collected along dry grassy slopes following quebrada, between
Beguilla and Mucuchachi', state of Me'rida, alt. 1065-2430 m.,
May 4, 1944, Julian A. Steyermark 56297. Pitcairnia tuberculata is
strongly reminiscent of P. echinata but has naked petals, much
smaller sepals and floral bracts and much more complex indument
on the sepals. The indument of P. tuberculata consists of rods so
sculptured as to be dendritic in form. On account of the naked
petals, P. tuberculata would fall close to P. ferruginea in the key in
the Pflanzenreich, but the latter has merely stellate indument and
poorly demarcated leaf-sheaths.
Tillandsia lacera L. B. Smith, sp. nov.
Acaulis, florifera 27 cm. alta; foliis mukis, dense rosulatis,
erectis, 12-20 cm. longis, utrinque dense adpresseque lepidotis,
vaginis late ovatis vel suborbicularibus, atro-castaneis, laminis
anguste triangularibus, long acuminatis, 2-3 cm. latis, cinereolepidotis;
scapo erecto, gracili; scapi vaginis dense imbricatis,
ellipticis, dense lepidotis, infimis foliaceo-laminatis, alteris late
rotundatis dein abrupte lineari-caudatis vel apiculatis, ex sicco
chartaceis; inflorescentia dense bipinnatim paniculata, breviter
cylindrica, 7 cm. longa, 3.5 cm. diametro; bracteis primariis eis
supremis scapi similibus, erectis, bases steriles spicarum subaequantibus,
spicis e basi sterili nuda erecta divergentibus, dense
4-6-floris, oblongis, acutis, complanatis, 20 mm. longis, 8 mm. latis;
bracteis florigeris dense imbricatis, lanceolatis, subcucullatis, 9
mm. longis, sepala paulo superantibus, obtuse carinatis, chartaceis,
nervatis, dense adpresseque cinereo-lepidotis; floribus subsessilibus;
sepalis liberis, lanceolatis, late acutis, 8 mm. longis, carinatis,
nervatis, glabris; petalis 13 mm. longis, auriculis binis praeditis,
laminis oblongis, late rotundatis, valde laceratis, fulgide lilacinis,
stamina styloque superantibus (Fig. 22, d-f).
collected in^thickets along quebrada, above Betania, at base
of Paramo de Tama', state of Tachira, alt. 2285-2430 m., July 14,
1944, Julian A. Steyermark 57282.
On account of its lacerate auricled petals, Tillandsia lacera is
obviously related to T. heterandra, but it differs in its abruptly
caudate upper scape-bracts, denser inflorescence, and short spikes
with naked sterile bases.