OF THE MATTO GROSSO EXPEDITION, 1891-92. 451 
cule pedicellatze, nonnunquam rhachidi alternatim affixe. — Bractes triangulari- 
ovate, bractea primaria secundariis acutis paullo major et obtusa, 0°12 em. long. 
Flores lutescenti-virides. Calyx 0:05 em. long., ore obscure undulato. Alabastra 
oblonga, obtusa, calyce et ovario incluso 0:45 cm. long. Petala 6, linearia, 
03 cm. long. Staminodia juxta medium petalum inserta, majora vix O'l cm. 
long., filamentis sublyratis; anthers parve, caudato-acuminate. Ovarium cylin- 
dricum, 0-1 cm. long.; stylus crassiusculus, superne amplificatus, ovarium duplo 
superans. Baccæ ambitu oblongee, prima :etate virides, dein rubra, 0'8 cm. long., 
0:5 cm. diam. Semen vix 0'6 cm. long. et 0°35 em. lat., totum viscino cinctum. 
Endospermium grumosum. Radicula clavata, haud exserta. Plumula ultra cotyle- 
dones breviter exserta. 
Species verisimiliter cum Phthirusá theloneurd, Eichl., conferenda; ab ea vero differt, 
preter signa alia, foliis nodulis verruciformibus carentibus, inflorescentiá interdum 
paniculata, antheris longius acuminatis, baccis majoribus. ([Amazonia.] 
PHTHIRUSA ($ EUPHTHIRUSA) BAUHINLE (sp. nov.). Scandens, radicellis prehensilibus 
paucis, ramulis bruneo-rufescentibus, demum cinereis; foliis brevipetiolatis, ovato- 
lanceolatis, mucronulatis, raro emarginatis, basi paullo coarctatis, tenuiter coriaceis, 
in sieco utrinque fuscis, vix nitentibus, ternationibus sessilibus vel breviter pedi- 
cellatis, paniculatis, interdum subracemosis ; floribus interdum solitariis, paniculis 
lateralibus angustis subthyrsoideis; calycis membranacei margine obsolete undulato, 
filamentis fll. masculorum sursum glandulosis. 
Hab. Crescit ad Santa Cruz, super Bauhiniam cumanensem, H. B. K., et plantam 
ignotam, verisimiliter Vochysiaceam quandam. Floret mens. Dec. (Nn. 749, 749 a.) 
Planta feminea ignota.  Radicelli prehensiles ut in Phth. abditá. Rami elongati, 
teretes, longitrorsum striati, lenticellis parvis muniti, ad nodos parum tumidi; 
internodia. pleraque 1:5-5:5 cm. long. Foliorum lamine 3°5-5°5 cm. long., 
plerzeque 1:5-25 em. lat., petiolis 0:2-0:5 em. long. canaliculatis; costa media 
ultra medium folii duplicata ; costa secundarie pauce utrinque eminentes. 
Panicule erectee, laterales ad 6:0. em. long.; rhachis complanata, subalata, 
0:1-0:2 em. lat. intervallis plerumque 0:8-1:'0 cm. ternationes vel rhachillas 
ternationiferas emittens ; rhachillee uti rhachides subalate, erecto-ascendentes, nunc 
abbreviate, nune usque 2:5-9:0 cm. long. Ternationum pedicelli nec ultra 0:15 cm. 
long. Bractea primaria triangulari-lanceolata, acuta, plana, 0'7 cm. long. ; bractez 
laterales paullo minores, naviculares. Flores virescentes. Alabastra ovoidea, 
obtusa. Calyx tubularis, 0'1 cm. long. Petala 6, lanceolata, 0:25 cm. long: 
Stamina juxta basin petalorum inserta, iis breviora; filamenta incrassata, lon- 
giora superne parum ampliata, lateribus excavatis, breviora integra. Antheræ 
staminum longiorum reniformes, filamento fere sequilate, breviter caudato-acumi- 
nate, locellis postieis oblongis, anticis obsoletis; ew staminum breviorum longius 
acuminate, rotundate, acuminate, locellis anticis posticis minoribus. Ovarii rudi- 
mentum parum corrugatum. Discus obsoletus. Stylus cylindricus, prope apicem 
parum incrassatus et curvatus. Stigmatis rudimentum obtusum, haud capitatum. 
JN 2 
