RUBIACEA, 21 
13. Rondeletia leucophylla, H. B. K. (Char. reform.) 
Ramis teretibus gracilibus, foliis membranaceis lineari-lanceolatis acutis discoloribus subtus cano- 
lanatis, floribus tetrameris lanatis breviter pedicellatis dense cymoso-corymbosis, corymbis ter- 
minalibus axillaribusve pedunculatis seepe capitiformibus, calycis lobis lineari-lanceolatis acutis, 
corolle tubo gracili cylindrico, lobis rotundatis planis, ore nudo. 
Frutex plus minusve lanatus, ramis teretibus, gracilibus. Folia breviter petiolata, membranacea, 
lineari-lanceolata, 2-3-pollicaria, utrinque attenuata, acuta, discoloria, supra pilosula, subtus 
albo-lanata, petiolo circiter 1 lin. longo; stipule lanceolato-subulate, 3-4 lin. longe. Flores 
lanati, tetrameri, breviter pedicellati, dense cymoso-corymbosi ; corymbi terminales vel axillares, 
pedunculati, seepe capitiformes ; calycis lobi lineari-lanceolati, circiter 2 lin. longi, acuti, erecti ; 
corollz tubus gracilis, cylindricus, 6-8 lin. longus, extus albo-lanceolatus, intus puberulus, 
limbus lobis rotundatis, planis, os nudum; ovarium lanatum, multiovulatum. “‘ Capsula sub- 
globosa, calyce coronata, albo-tomentosa, magnitudine bacce Piperis nigri, loculicido-bivalva ; 
semina creberrima, minutissima, subrotunda, ovata aut angulata, fuscescentia, reticulato-scabri- 
uscula.”—H. B. K. Nov. Gen. et Sp. iii. p. 895, t. 290. Arachnothryx leucophylla, Planch. in 
Fl. des Serres, v. p. 442. 
Sout Mexico, between Alto del Peregrino and the Rio Papagallo (Humboldt & 
Bonpland), Guatulco (Liebmann, 30), Sierra de San Pedro Nolasco (Jurgensen, 149). 
Hb. Kew. 
14. Rondeletia ligustroides, Hemsley, Diag. Pl. Nov. pars altera, p. 26. 
Ramis elongatis gracillimis, foliis petiolatis ovato-lanceolatis oblongisve insigniter acuminatis 
obtusis vel acutis, floribus parvis extus sepissime omnino glabris (sed calyce interdum 
puberula) pentameris trichotomo-cymosis pedicellatis, cymis parvis ramulis fere filiformibus, 
calyce parvo minute 5-dentato, corolle tubo cylindrico circiter 8-4 lin. longo, lobis brevibus 
rotundatis, ore flavo-villoso, capsula globosa parva, seminibus lenticularibus punctatis. 
Frutex omnino glaberrimus, vel floribus interdum leviter puberulis, ramis elongatis, gracillimis. Folia 
petiolata, ovato-lanceolata vel oblonga, insigniter acuminata, obtusa vel acuta, 2—4-pollicaria, 
chartacea, subtus in axillis venarum leviter barbata, petiolo gracili 2-4 lin. longo; stipule parve, 
triangulari-acute. Flores (rosei?) pentameri, extus sepissime glaberrimi, pedicellati, tricho- 
tomo-cymosi ; cyme parve, terminales vel laterales, ramulis fere filiformibus ; bractese minu- 
tissimee ; calyx interdum puberulus, vix 1 lin. longus, brevissime 5-dentatus, dentibus zqualibus, 
triangularibus ; corolle tubus cylindricus, 3—4 lin. longus, intus pubescens, limbus lobis parvis, 
rotundatis, os valde barbato-villosum, flavum. Capsula globosa, 14 lin. diametro, glabra vel 
interdum leviter puberula; semina numerosissima, lenticularia, punctata. 
South Mexico, Orizaba (Botteri, 474, 971, 951; Miller, 969, 1308; Bourgeau, 
2622, 2518). Hb. Kew. 
A very distinct species in its slender branches, glabrous acuminate leaves, and small 
flowers. 
15. Rondeletia linguiformis, Hemsley, Diag. Pl. Nov. pars altera, p. 29. 
Ramis glaberrimis teretibus, foliis glaberrimis ovato-oblongis acuminatis, stipulis amplis lingui- 
formibus, floribus sericeis tetrameris numerosissimis dense hemispherico-corymbosis subses- 
silibus, calycis lobis inzequalibus, corolle lobis subquadratis farinosis, ore nec villoso nec 
annuloso, capsula globosa polysperma, seminibus angulatis. 
Frutex, ramis teretibus, glaberrimis. Folia glaberrima, petiolata, elliptico-oblonga, 3—4-pollicaria, 
