192 



The Botanical Gazette 



rjuly, 



in acumen acutum sensim attenuata eademque in petiolulum 

 conspicuum attenuata, lateralia in petiolulos breves contracta 

 vel subsessilia, omnia integerrima, penninervia, nervis later- 

 alibus utrinque 7-9 curvato-adscendentibus supra subtusque 

 prominulis, infimis eorum reliquis vix longioribus, utrinque 

 glaberrima, nec nisi glandulis microscopicis adspersa, nitidula, 

 submembranacea, e viridi pallide fuscescentia, punctis lineoHs- 

 que pellucidis subfuscis notata, epidermide mucigera; petioli 

 omnes nudi; thyrsi in ramulis lateralibus paniculatim con- 

 gesti, glabri; cincinni subsessiles; flores mediocres; sepala 

 pulverulento-puberula; fructus , . . , 



Rami thyrsigeri diametro 3 mm. Folia 18-20 cm longa; foliola terminalia 

 petiolulo r> mm longo adjecto 10.5 cra longa, 3 cm lata, lateralia dccrescentim 

 minora; petiolus communis 4 cm longus; stipulae minutae. Cincinni contracti, 

 circ. (>-flori; pedicelli 2-2.5 mm longi, supra basin articulati; alabastra obo- 

 voidea, 2 mm longa. Florcs hermaphroditi : sepala interiora 3 mm longa. Pe- 

 tala ex oblongo attenuata,'3.5 mm longa, intus laxe glanduligera; squamae (cris- 

 tis exclusis) petala dimidia aequantes, margine villosiusculse, superiores crista 

 usque ad basin bifida (laciniis subacutis erectis) appendiceque deflexa brevi ob- 

 tusa dense viUoso-barbata, inferiores crista corniformi erecta instructas. Tori 

 glandulae ovatae. Staniina: filamenta villosiuscula; antherae glabrae. Gennen 

 pyriforme, trigonum, minutim canescenti-puberulum; stylus brevis; stigmata 

 stylum aequantia. — Ol)s. Affinis Serj. acut^rTr. et Planch. (Sect. xi; cf. Radlk. 

 Serjaniae Monogr. p. 274. Suppl. p. 142). 



Rocks at Coban, Dept. Alta Verapaz, alt. 4, ^ooft., March, 

 1887, y. Tiirckheim, (Ex Pl. cit. 11 53), 



Serjaiiia rachiptera Radlk. — Scandens, fruticosa, glabri- 

 uscula; rami 6-costati, striato-sulcati, glabri, juniores tantum 

 crispato-puberuli, cortice viridi ad costas pallide subfusco; 

 corpus lignosum simplex, sulcatum, medulla ampliore reple- 

 tum; folia ambitu triangularia, bipinnatavel pinnarum infima- 



rumpinnuHs infimis in foliolorum triades dissociatis transeuntia 

 insupra decomposita, 6-8-juga, pinnis inferioribus 4-jugis, 

 superioribus decrescentibus, summis foliola simplicia exhibent- 

 ibus; foliola (pinnuL^) parva lateralia elliptica vel suborbicu- 

 laria, terminalia subrhombea cum lateralibus proximis inter- 

 dum conflluentia, omnia sessilia, paucidentata, subchartacea, 

 utrinque glabra nec nisi glandulis microscopicis adspersa, vir- 

 idia, subtus pallidiora, punctis Hneolisque pellucidis obsoletius 

 notata, epidermide mucigera; petiolus communis perbrevis, 

 nudus, margine hirtellus, rhachium omnium segmenta omnia 

 alata, supra ad lineam medianum puberula; thyrsi solitarli vel 

 in ramulis lateralibus paniculatim congesti, graciles; cincinni 

 stipitati, abbreviati, puberuli"; flores mediocres, albidi; sepala 

 exteriora laxius, interiora basi densius puberula; fructus . , , 



