516 I. Urban. 
in hb. Krug n. 128, J. B. Pagan in hb. Krug n. 135, Schwanecke, Sintenis 
n. 269, 269^, 1592, 4189, 4461, 5057, 6249, Stahl n. 475; Tortola in 
High Bush 500 m. alt.: Eggers n. 3239 (hb. Haun.); Dominica: Eggers 
s. n. ; Martinique ex Jacquin. 
Obs. Species iterum atque iterum cum M. umbellata L. confusa, ramis sterilibus 
scandentibus omnino non, foliis non semper ab ea certe discernenda, attamen characteri- 
bus floralibus tum levioribus quum gravioribus omnino diversa: pedicellis 8—6 cm 
longis, in floris axem via directa continuis (nec 2—3,5 cm longis, in floris 
axem sub angulo obliquo v. recto abeuntibus), alabastris ovatis usque cylin- 
draceo-conicis, 10 17 mm longis (nec breviter ovatis usque ovato-conicis, 7—12 mm lon- 
gis), sepalis 4—7 mm (nec 4,5—4 mm) longis, staminibus 30—46 (nec 12—22), et prae- 
lerea foliis 0—3 mm (nec 3—8 mm) longe petiolatis. 
6. M. Trinitatis Presl foliis 1—2 mm. longe petiolatis, ovatis v. ple- 
risque oblongo-lanceolatis usque lanceolato-linearibus, mediocriter v. satis 
longe subsensim acuminatis, basi subeordatis v. rotundatis v. obtusis in- 
aequilateris, 7—12 cm longis, 2—3,5 em latis, 2!/,—51/,-plo longioribus 
quam latioribus, nervis lateralibus nullis, subtus juxta marginem ipsum 
glandulis parvis subimpressis remotiusculis obsitis, praeterea subtus utraque 
nervi medii parte ad basin versus poris 4—2 notatis, subcoriaceis v. coriaceis; 
racemis umbelliformibus paucifloris, pedicellis fert. ad medium cr. 1,5 mm 
crassis, manifeste, minute v. vix lenticellosis, in florum axem via directa 
abeuntibus, prophyllis sub calyce ipso insertis; bracteis ster. inferne cylin- 
draceis superne plus minus clavatis 25 mm longis; petalorum ealyptra 
conico-eylindrica obtusiuseula v. obtusa 12—14 mm longa, 6—7 mm 
erassa; staminibus 56—62, antheris linearibus; ovario globoso in stylum 
erassissimum dimidio breviorem attenuatum v. contractum, 410—419 -1o- 
culare. 
Maregravia Trinitatis. Presl! Bot. Bemerk. (1844). p. 122; Walp. 
Ann. I. 129, 
Marcgravia umbellata Grisb. Flor. (1859). p. 110 (p. p.), — non Linn. 
Liane Ravette Domin. ex Ramage. 
Rami floriferi obtuse quadranguli v. teretes sub cujusvis folii insertione seriebus 
binis lenticellorum parvorum notati, epidermide albido- v. brunneo-grisea obtecti. 
Folia ramorum scand. laxa, subsessilia, ovata v. ovalo-oblonga, basi cordata, apice 
rotundata 4—2,5 em longa, 0,6—1,3 cm lata, supra non v. parum, subtus manifestius 
nervosa. Folia ramorum fert. acumine obtusiusculo v. obtuso, nervo medio supra 
plano v. obsolete impresso, margine plano v. angustissime recurvo non pellucido integra, 
non lineolata. Pedicelli fert. cr. 10 sub anthesi 3,5—5 cm longi, ad apicem 
parum v, vix incrassati, in sicco plicatuli sed non striati ; prophylla bene evoluta, oppo- 
sita semiorbicularia 1,5—2 mm longa, 2,5—4 mm lata. Flores steriles apicem rhacheos 
occupantes perpauci; pedicelli toti cr. 2,5 cm, usque ad b:acteam 0,5 cm longi; 
bracteae inferne 3,5—4 mm, superne 5—9 mm latae, paullo recurvae, ore paullo ampliato 
truncatae v. lobulo triangulari deflexo notatae, intus sub vertice florem minutum nunc 
ampliatum sterilem gerentes. Sepala late semiorbicularia, exteriora 3 mm longa, 
5—6,5 mm lata, interiora paullo minora, Stamina 2-seriala ; filamenta chartacea plana 
inaequilonga, 2—8 mm longa, antheris supra basin affixa iisque subaequilonga usque 
