64 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN [ Vol. 8, No. 1 



cartilagineis et paullo recurvatis, juventute utrinque ut petiolis parce glanduloso- 

 hispidulis mox glabratis, e basi obscure 3- vel 5-nerviis, costa supra leviter im- 

 pressa subtus elevata vel ut nervis utrinque immersa; inf lorescentiis axillaribus 

 1-3-floris, rhachi subnulla, bracteis sub pedicellis deltoideis circiter 1 mm. longis; 

 pedicellis teretibus gracillimis sub anthesi 5-20 mm. longis, pilis glanduloso- 

 capitatis 0.4-0.7 mm. longis copiose hispidulis ac etiam pilis eglandulosis circiter 

 0.1 mm. longis pallide hispidulis; calyce sub anthesi 7-10 mm. longo et circiter 

 3 mm. diametro cum pedicello continuo extus ut pedicello copiose glanduloso- 

 hispidulo et puberulo, tubo obovoideo 3-6.5 mm. longo (paullo post anthesin), 

 limbo erecto ad basim 5-lobato, lobis papyraceis lineari-subulatis 3.5-4.5 mm. 

 longis basi circiter 1 mm. latis intus glabris; disco carnoso annula ri-pulvinato 

 glabro; corolla in sicco submembranacea subcylindrica, 20-22 mm. longa, basim 

 versus 3-5 mm. diametro, basi ipso et faucibus contracta, extus parce glanduloso- 

 hispidula etiam pallide puberula, lobis sub anthesi patentibus oblongis 3.5-4 

 x 1-2 mm. apice obtusis; staminibus 5 corolla fere aequilongis, filamentis leviter 

 cohaerentibus submembranaceis 2-2.5 mm. longis glabris, thecis levibus mem- 

 branaceis circiter 3.5 mm. longis basi obtusis et leviter incurvatis, tubulis 14-15 

 mm. longis gracillimis per poros subterminales dehiscentibus; stylo filiformi 

 leviter exserto, stigmate subtruncato. 



Canar: Valley of Rio de Canar at Abadel, below town of Galleturo, 6,000 ft. 

 elev., Sept. 6-10, 1944, F. Prieto CP-29 (TYPE US 1,988,910; dupl. NY) (epiphyte; 

 leaves pale green, only slightly shining, inflated and subsucculent; corolla crim- 

 son); same locality, 4,400 ft. elev., .F. Prieto CP-37 (unicate, NY) (epiphyte; 

 leaves subsucculent and inflated; corolla crimson). 



The second known species of Oreanthes , described above, differs from 0. 

 buxifolius Benth. in its conspicuous and slender pedicels, the copious hispid- 

 glandular pubescence of its flowers (present also but less obvious on other parts 

 of the plant), its comparatively short and essentially free filaments, and its differ- 

 ently proportioned anthers, of which the thecae are much, shorter. The genus 

 Oreanthes remains an extremely rare entity in collections. It is apparently re- 

 stricted to Ecuador, but since noting only the type collection of 0. buxifolius in 

 my 1932 treatment (Contr. U. S. Nat. Herb. 28: 359), I have seen two other collec- 

 tions of that species, Penland 62 (NY) from Loja and 1180 (NY) from Tungurahua. 



Macleania macrantha Benth. PI. Hartw. 223. 1846. 



Pichincha: Western slope of the cordillera, along the road from Quito to Sto. 

 Domingo de los Colorados, about 6,000 ft. elev., Camp E-1737 (shrubs, arching 

 to 2-3 m.; leaves very green above, very pale beneath; pedicels green; hypanthium 

 wingecf, reddish or green; corolla deep crimson to coral-red, carnose; filament-tube 

 pink, the connectives white, the anthers yellow). 



The type of this striking species also comes from the vicinity of Quito. It 

 seems probable that Camp E-1718 (NY only) (shrub 1 m.; leaves deep green above, 

 pale beneath; hypanthium grooved), from the same locality as no. 1737, represents 

 a stage of M. macrantha with very young flower-buds. In this stage the corolla is 

 subglobose and less than 5 mm. long, but the minute anthers are seen to be typically 

 single-tubuled. A series of developing flowers would be very informative in eval- 

 uating corolla- length as a specific criterion in this section of Macleania; it is 

 likely that too much weight has been given to this character. 



Macleania floribunda Hook. Ic. PI. 2: pi. 109. 1837. 



Napo-Pastaza: Valley of the Rio Pastaza and adjacent uplands, Sierra de los 

 Leones, near Banos, 7,000 ft. elev., Camp E-1697 (NY only) (subepiphytic; flowers 

 coral-red). 



