Notes on Plants at Roraima. 199 
103. Gaultheria cordifolia, H.B.K. 5,400 ft. 
332. ,, aff. G. vestitse. Bth. pedicellis longioribus. Top. 
137. Lucuma rigida, Mart, and Eichl. (nr. House.) 5,400 ft. 
108. Grammadenia lineata Bth. 5i4oo ft. 
36. Ditassa taxifolia, Dene. Arapoo R. 
155. Vincetoxicum (Orthosia) hirtellum, Oliv. sp. nov. — 
Volubile, caule gracili pilis brevibus subpatentibus 
hirto, foliis ovali-oblongis rigidiuscule apiculatis, margini- 
bus revolutis, supra hirtellis in sicco rugulosis, subtus 
prsecipue in costa pilis patentibus hirtis, cymis sessilibus v. 
brevissime pedunculatis pauci v. plurifloris folio breviori- 
bus, floribus subsessilibus v. pedicello calyce vix longiore, 
corollse lobus angustus intus hirsutus, coronse segmentis 5 
basi in anniilo brevissimo continuo insertis lineari-lanceo- 
latis gynostegium fere sequantibus, stigmate obtuso. Ro- 
raima: E. F. im Thum. 
Folia f-f poll longa; petiolis ■£% poll longus v. brevior 
Flores % poll, longi. Very much resembles in general 
facies Ditassa pauciflora. 
147. Nephradenia linearis, Bth?? 
113. Curtia (Schuebleria tenuifolia Don) 5,4oo ft. 
47. Lisianthus amsenus Miq. 5,400 f;. 
306. Lisianthus im Thurnianus, Oliv. sp. nov.— Gracilis gla- 
berrimus, caule inferne folioso teretiusculo internodiis folio 
brevioribus utrinque lineis elevatis duabus notatis, foliis 
coriaceis obovatis ellipticisve obtusis v. obtusciusculis mar- 
gine anguste revolutis triplinervus, pedunculo elongato 
cymis 3-2-floris, floribus longe pedunculatis calyce (£-£ 
poll, longo) 5-fido lobis ovato lanceolatis acutiusculis, 
corollje (2-poll) tubo leviter dilatato limbi lobis oblonge- 
ovatis acutis, filamentis elongatis gracilibus glabris inclusis, 
antheris oblongo, ellipsoideis inappendiculatis. Roraima: 
Ledge and Summit, E. F. im Thum. Caulis i-pedalis 
erectus v. basi decumbens. Folia f-f poll, longa basi in 
petiolum angustata, \-\ poll. lata. Pedunculus commu- 
nis 3-6 poll, longus ; bracteas superiores lineares v. ovales : 
Discus hypogynus o. 
In our specimens the limb of the corolla looks as though 
it might remain straight or even slightly incurved in flower. 
