Tas. 8519. 
NAUTILOCALYX patuipvs. 
Peru. 
GESNERIACEAE. Tribe CyRTANDREAE. 
NAUTILOCALYX, Linden; Sprague in Kew Bull. 1912, p. 88.—Episcia, § Nauti- 
localyx, Benth. et Hook. f. Gen. Plant. vol. ii. p. 1007 (sensu ampliato). 
Nautilocalyx pallidus, Sprague in Kew Bull. 1912, p. 89; foliis magnis 
pallidis in basin sensim attenuatis, floribus albidis intus postice purpureo- 
maculatis distinctus. 
Herba e basi ramosa, circiter 5 dm. alta, caulibus pluribus erectis teretibus 
crassis carnosis nitidulis breviter pilosis, internodiis 3°5-7°5 cm. longis. 
Folia ovato-lanceolata, apice breviter acute acuminata, recurva, in ba~in 
sensim angustata, 16-25 cm. longa, 6°5-10°5 cm. lata, margine plana, 
crenato-serrata, sparse ciliata, supra nitidula, pallide viridia, pilis paucis 
adpressis inconspicuis exceptis glabra, nervis venulisque conspicue 
impressis, subtus opaca, albo-viridia, primo visu glabra, revera nervis 
sparse puberulis mesophyllo minutissime puberulo, nervis prominentibus, 
lateralibus utrinque 12-14, venulis prominulis; petioli 0°8-2 cm. longi. 
Cymae 3-6-florae, bracteis duabus transversis patulis lanceolatis acutis 
demum usque ad 1°5 em. longis sparse ciliatis extra pubcrulis intus 
glabris; pedicelli sub anthesi 2°5 em. longi, villosi, demum elongati. 
Calyx zygomorphus; segmenta ovata, acute acuminata, basi rotundata 
vel subcordata, 2°4-2°5 cm. longa, 1°4-1°7 cm. lata, tenuia, denticulata, 
sparse ciliata, extra sparsissime puberula, intus glabra; segmentum 
posticum caleare corollae basi repulsum, valde curvatum. Corolla e calyce 
adscendens, cremeo-albida, dorso calcarata; tubus calcare incluso 5 cm. 
longus, extra breviter crispule pilosus, intus antice glabriusculus 
purpureo-striatus, postice minute glanduloso-pilosus, purpnreo-vittatus, 
vittis e maculis numerosis subcontiguis compositis, circiter 1*5 cm. supra 
basin calearis ampliatus, abhinc usque ad os ultra 1 em. latus, a dorso 
usque ad ventrem vix 1 cm, metiens ; calear amplum, rotundatum, circiter 
5 mm. longum; limbus 8 cm. latus, fere 38 cm. a dorso ad ventrem metiens ; 
lobi leviter reflexi, transverse elliptici, 1-1-1°2 cm. longi, 1°4-1°6 cm. 
lati. Filamenta in vaginam postice fissam in calear 3 mm. productam 
corollae tubo adnatam connata, superne antheris disjunctis spiraliter torta, 
antica longiora, vagina antice 7°5 mm. longa, lateraliter 5 mm. longa; 
antherae per paria apicibus connectivorum connatae, 3 mm. longae, 
connectivo dorso valde incrassato 2°5 mm. longo, 1 mm. lato, loculis 
omnino sejunctis parallelis mytiliformibus. Disci glandula unica, postica, 
2°5 mm. longa, sparse longiuseule ciliata, Ovarium ovoideum, 5 mm. 
longum, pilis multicellularibus acutissimis dense indutum ; stylus vix 
8 em. longus, pilis multicellularibus acutissimis et paucioribus glanduloso- 
capitatis patule hirsutus; placentae ad basin bipartitae, segmentis plano- 
convexis introrsum tantum ovuliferis.—Al/oplectus pallidus, Sprague in Kew 
Bull. 1911, p. 346.—T. A. SPRAGUE. 
The subject of our illustration is a native of Peru 
which belongs to a very natural group of species formerly 
referred partly to Episcia and partly to Alloplectus, more 
OotonER, 1913. 
