1963] 



BOTANY OF THE GUAYANA HIGHLANDS PART V 



275 



(NY); same locality; epifita lianif orme ; 28 Nov 1956, Bernardi 5905 (NY); 

 Santa Teresa, Sep 1955, H. M. Curran 2 (NY) ; Parque Nacional de Guatopo; 

 evergreen forest on steep slopes bordering Rio Santa Cruz, between Santa Teresa 

 and Altagracia de Orituco, 14.5 km from Los Alpes ; high climbing epiphyte on 

 tree ; peduncle yellow green, dilated above, angled ; calyx greenish- white ; corolla 

 white, 4-lobed; stamens 4; 23 Nov 1961, Steyermark 89990 (NY, VEN). 



Schradera subsessilis Steyermark, sp. nov. 



Suffrutex epiphyticus ; stipulis non visis ; foliis petiolatis, petiolis 8-20 mm 

 longis glabris ; laminis coriaceis ovali-oblongis apice obtusis vel subrotundatis, 

 basi rotundatis 4.5-7 cm longis 3-4 cm latis utrinque glabris, subtus costa media 

 elevata, nervis lateralibus principalibus 5-6 fere obsoletis; capitulis subhem- 

 isphaericis 8-9-floris 30 mm longis 35 mm latis ; pedunculo solitario terminali 

 4 cm longo basi 4 mm lato apice ampliato ad 10 mm glabro ; involucro 13 mm 

 alto apice irregulariter lobato ; calyce hypanthioque 17-18 mm longis apice 7 

 mm latis glabris, calyce inaequaliter irregulariterque 5-7-lobato, lobis sub- 

 truncatis vel depresso-rotundatis 0.5-1 mm altis, 1-3 mm latis, ab ovario ad 

 10 mm disjuncto ; corolla alba (teste Howard) 30 mm longa hypocrateriformi, 

 tubo 14 mm longo basi 2 mm lato extus glabro intus 4 mm supra basin glabro 

 aliter cum lineis pilosulis verticalibus instructis, lobis 7 lineari-lanceolatis apice 

 obtusis 16 mm longis 2.5-2.75 mm latis intus parte plana inferiore parce 

 puberula, denticulo cucullato reflexo subulato 1 mm longo ad basin carinae ab 

 apicem 11 mm ; staminibus 7 inclusis, filamentis 1 mm longis infra basin loborum 

 corollae 7 mm insertis ; antheris linearibus 6 mm longis ; stylo 10 mm longo 

 glabro; stigmatibus 2. 



DOMINICAN REPUBLIC. Prov. Barahona : Monteada Nueva to Loma 

 Alta; alt. 1500 m; epiphytic shrub; flowers white; petals thick; 2 Aug 1950, 

 R. A. Howard 12302 (holotype NY) ; inter brachis rivulorum Canada maluca; 

 alt. 1400 m; Apr 1912, Padre Miguel Fuertes 1487 (paratype NY). 



The 7-merous flowers, the subsessile anthers included half way down the 

 corolla-tube, and the pubescent lower inner half of the corolla-lobes are distinctive 

 features of this taxon. 



Schradera ternata Steyermark, sp. nov. Fig. 82, A-C. 



Suffrutex epiphyticus; stipulis terminalibus aliter caducis anguste oblongis 

 apice obtusis vel rotundatis 13-15 mm longis 8 mm latis glabris ; foliis petiolatis, 

 petiolis 10-23 mm longis glabris ; laminis subcoriaceis supra atroviridibus subtus 

 pallidioribus ovatis vel elliptico-ovatis apice subiter acutis vel acuminatis basi 

 acutis subacutis vel obtusis 8.5-14 cm longis 4.5-8 cm latis glabris, nervis late- 

 ralibus utroque latere 6-7 tenuibus ab margine 3-4 mm anastomosin f acientibus ; 

 capitulis 4-7-floris depresso-globosis ; pedunculis 3 ad apices ramulorum vel 

 interdum 1 in axillis superioribus 3-6 cm longis basi 2.5-3 mm latis apice 

 incrassatis 6-12 mm latis glabris; involucro obsoleto vel cum 1-2 bracteis 

 disjunctis vel paullo cohaerentibus ovalibus vel suborbiculari-ovalibus 7-8 mm 

 longis 7-9 mm latis ; calyce hypanthioque 10-13 mm longis 9-12 mm latis 

 urceolato-globosis glabris ; calyce apice truncato, lobis obsoletis ; corolla alba 

 (teste Tilleit) carnosa 14-15 mm longa extus glabra, tubo 7-8 mm longo basi 

 3.5^ mm lato intus basi glabro aliter pilis albidis villoso, lobis 6 oblongo- 



