423 



MELASTOMACEAE : COMOLIA. 



424 



supra medium ciliato-serratis, 3 — sub-5-nerviis, utrinque gla- 

 bris et sublaevibus; floribus ad apices ramulorum axillarium 

 solitariis rarius fasciculatis, breviter pedicellatis, rubris; ca- 

 lyce glabro, tubo campanulato-oblongo, segmentis anguste li- 

 nearibus, apice obtusiusculis et longe ciliato-plurisetosis cae- 

 teris integerrimis, tubum aequantibus; petalis oblongo-lanceo- 

 latis, acutiusculis; staminibus aequalibus, conuectivo infra 

 loculos brevissime producto, postice non manifeste tuberculato, 

 ultra insertionem filamenti distincte porrecto et bifido, lobis 

 brevibus acutiusculis adscendentibus. 



Comolia lythrarioides Naud. in Ann. Sc. not. ser. 3. 

 XIII. 27 et Melast. 92 (1850). 



Hostmannia lythrarioides Steud.f in Kappler, PI. Surin. 

 edid. Hohenacler n. 1420 (1845), 



Comolia Stmnamensis Miq.! Stirp. Surinam. 55(1850); 

 Triana, Melast. 36. 



Caulis rigidiusculus, leviter flexnosus, laevis, sordide cinereus vel 

 cinereo-fuscus, demum excoriatus, inferne breviter denudatus, paulo ramo- 

 sus vel interdum subsimplex, 2 — 5 dm. altus; rami satis graciles, saepius 

 simplices, purpurascentes. Petiolus gracilis interdum snbfiliformis, rigidus, 

 glaber, 2 — 5 mm. longus. Folia submembranaeea, rigidiuscula, plana vel 

 interdum longitudinaliter plicata, internodiis saepius paulo breviora, supra 

 intense viridia et minntissime granulata, subtus pallide viridia et reticu- 

 lato-nervulosa, l'/s — 2 1 h cm. longa, 6 — 10 mm. lata, superiora saepius di- 

 midio minora, nervis satis gracilibus, supra vix impressis, subtus distincte 

 prominentibus , mediano paulo crassiore. Flores saepius solitarii. Pedi- 

 celli filiformes, recti, glabri, 2 — 3 mm. longi. Calyx pallide viridis vel 

 purpurascens, tubo obscure 10-costato, basi obtusiusculo, apice saepius non 

 con8tricto, 37a — 4 mm. longo, 17s — 2 mm. lato, segmentis rigidiusculis, 

 interdum leviter flexuosis, 3 — 4 mm. longis, basi remotiusculis */• — Vs mm. 

 latis. Petala patula, utrinque glaberrima, tenuissime multinervia, inferne 

 longiuscule attenuata, 7 — 10 mm. longa, 3 — 6 mm. lata. Staminum fila- 

 menta filiformia, purpurascentia, subrecta, 4 — 6 mm. longa; antherae pur- 

 pureae, leviter arcnatae vel subrectae, apice longiuscule attenuatae et pal- 

 lidae, 472 — 6 mm. longae, J /s mm. crassae, connectivo infra loculos 1 ad 

 l 1 /* mm. long, producto, filiformi, purpureo, valde arcuato. Ovarium ob- 

 ovoideum, apice subtruncatum et leviter emarginatuin , 2 mm. longum; 

 stylus filiformis, purpurascens, subrectus, apice non attenuatus, 1 cm. lon- 

 gus. Cafsula calyce persistente vestita, inferne plus minusve adhaerens, 

 sordide fnsca, ovoidea, apice subtruncata, leviter bisulcata, 3V2 — 4 mm. 

 longa, 3 mm. crassa. Semina atro-fusca, distincte cocbleata, irregulariter 

 ovoidea , basi obtnsa , apice rotundata , dorso longitudinaliter distincte 

 multicostata, creberrime leviterque foveolata, 1 mm. longa, 3 A mm. crassa. 



Var. (3. major Cogn. 



Petiolus 6 — 8 mm. longus. Folia apice acutiuscula vel inferiora 

 obtusa, 3 — 37» cm. longa, 1 — V/t cm. lata. Flores ad apices ramulorum 

 saepius terni. 



Habitat in paludosis Guianae, loco hand indicato: Anderson; in 

 Guiana batavica: Hostmann n. 508, 1420; in savannis distr. Para: 

 Kappler n. 1420; in Guiana anglica: Appun n. 624; ad Demerara: 

 Parker; in insula Trinitatis: Purdie. — Var. £. in udis arenosis prope 

 Paramaribo Surinamiae: Wxdlschlaegel n. 174. — Floret Febr.—Apriii. 



5. COMOLIA NEGLECTA Cogn. suffruticosa, tota 

 pilis glandulosis hirtella; caule erecto vel decumbente, obtu- 

 siuscule tetragono, robustiusculo, simplici vel vix ramoso, 

 densiuscule breviterque piloso ; foliis patulis vel erecto-patulis, 

 longiuscule petiolatis, oblongis vel obovato-oblongis, apice 

 acutis, basi breviuscule attenuatis, margine obscure leviterque 

 crenulato-denticulatis ciliatisque, 5-nerviis, supra longiuscule 

 sparseque setulosis, subtus densiuscule breviterque hirtellis; 



floribus axillaribus terminalibusque, solitariis vel saepius ter- 

 ms, brevissime pedicellatis ; calycis tubo campanulato-oblongo, 

 inferne glabro, superne sparsissime longeque setuloso prae- 

 cipue ad apicem, segmentis lineari-subulatis , apice acutis et 

 longe setuloso-apiculatis, sparse longeque setulosis ciliatisque, 

 tubo paulo longioribus; petalis obovato-oblongis, apice rotun- 

 datis et breviuscule glanduloso-unisetosis ; staminibus aequa- 

 libus, connectivo infra loculos breviuscule producto, postice 

 non tuberculato, ultra insertionem filamenti distincte porrecto 

 et bifido, lobis brevissimis, acutiusculis, adscendentibus. 



Caulis rigidiusculus, leviter flexuosus, scabriusculus, cinereo-fuscus, 

 inferne plus minusve denudatus, 3—5 dm. altus. Petiolus satis gracilis, 

 rectus, densiuscule breviterque glanduloso-birtellus, 4 — 5 mm. longus. 

 Folia membranacea , plana, internodiis saepius paulo longiora, supra in- 

 tense viridia et sub lente tenuissime granulosa, subtus cinerea et leviter 

 reticulato-nervulosa, 2V2 — 3 cm. longa, 11 — 16 mm. lata, superiora saepius 

 multo minora; nervis gracilibus, supra vix impressis, subtus satis promi- 

 nentibus, mediano paulo crassiore. Pedicelli filiformes, recti, glabri vel 

 subglabri, 1 — 3 mm. longi. Calyx cinereo-fuscus, tubo distincte 10-costato, 

 basi longiuscule attenuato, apice non vel leviter constricto, 4 — 4 1 /2 mm. 

 longo, 172 mm. lato, segmentis erectis vel erecto-patulis, rigidiusculis, 

 5 — 572 mm. longis, basi remotiusculis, 3 A mm. latis. Petala patula vel 

 erecto-patula, utrinque glaberrima, tenuissime multinervia, inferne longius- 

 cule attenuata, 10 — 12 mm. longa, 5 — 6 mm. lata. Staminum filamenta 

 subcapillaria, leviter flexuosa, purpurascentia, 7 mm. longa; antherae pur- 

 pureae, valde arcuatae, apice longe attenuatae et flavidae, 6 mm. longae, 

 73 mm. crassae, connectivo infra loculos V/2 — 2 mm. long, producto, fili- 

 formi, purpurascente , satis arcuato. Ovarium usque ad basin liberum, 

 ovoideo - oblongum . distincte bisulcatum, apice subtruncatum et leviter 

 emarginatum, 272 mm. longum, l*/« mm. crassum; stylus filiformis, valde 

 sigmoideus, superne leviter incrassatus, 13 — 14 mm. longus. Capsula 

 ignota. 



Habitat in Guiana anglica ad Pirara: ScJwmburgk n. 307 B et 

 392 in herb. Ketv., Deless., Vindob. 



6. COMOLIA VERONICAEFOLIA Benth. subherba- 

 cea, multicaulis, tota pilis glandulosis rufescentibus vestita; 

 caulibus erectis vel adscendentibus, obtuse tetragonis, robu- 

 stiusculis, fere usque ad basin leviter di — trichotome ramosis, 

 longiuscule sparseque pilosis; ramis elongatis, erectis vel 

 erecto-patulis, acute tetragonis, ad nodos setis densiusculis 

 stipuliformibus auctis; foliis patulis, longiuscule petiolatis, 

 obovato-oblongis, apice obtusis vel interdum acutiusculis, in- 

 ferne longiuscule attenuatis saepius subcuneatis, margine in- 

 ferne integerrimis superne subcrenulato-denticulatis ciliatisque, 

 trinerviis, supra sparsissime setulosis, subtus densiuscule bre- 

 viterque hirtellis; floribus axillaribus solitariis vel ad apices 

 ramulorum brevium solitariis— ternis, brevissime pedicellatis; 

 calycis tubo campanulato-oblongo, inferne glabro, superne 

 sparsissime longeque setuloso praecipue ad apicem, segmentis 

 lineari-subulatis, apice acutis et longiuscule setuloso-apiculatis, 

 margine sparse longeque ciliatis, tubo paulo brevioribus; pe- 

 talis anguste obovatis, apice rotundatis et breviter glandu- 

 loso-unisetosis; staminibus aequalibus, connectivo infra loculos 

 breviter producto, postice non tuberculato, ultra insertionem 

 filamenti distincte porrecto et bifido, lobis brevibus obtusis 

 adscendentibus. 



Tabula nostra XCVI. Fig. II (habitus cum analyst). 



Comolia veronicaefolia Benth.! in Hook. Lond. Journ. 

 of Bot. II. 295; Walp. Bepert. V. 688; Naud. in Ann. Sc. 



