COLONEL MUNRO'S MONOGRAPH OF THE BAMBUSACE^. 127 



plcrumque noiinisi uno, terminali vcl pcmiltimo, fcrtili, rhacliilhi ohsoleta, palcis imbricatissimis, 

 nunc sursum (Icorsnmquc, nimc deorsum tantum imperfecta (Hosculo terminali tabcsccntc nullo) . 

 Palea inferior multincrvia, acuminata vel spinoso-mucronata, margine nunc pilis sat longis fimbriata, 

 nunc glabra; superior, flosculi fcrtilis supremi, dorso convexa, carinis obsoletis. Sijiiamula nullie. 

 Stamina 6, basi monadelpha, antlieris mucrone vel seta, ssepc longissima, vel (in 0. Stocksii) pilis 

 paucis hyalinis apiculatis. Styliw gracilis, longus vcl longissimus, basi vix incrassatus, apice in stig- 

 mata 2-3 interdum longa et plicata divisus. Caryopsis angusta, lineari-oblonga, sulco longitudiuali 

 notata. 



Gramina arborescentia vel scandentia, in Africa tropica, India orientali, Zeylania, Java et insulis adjacen- 

 tibus crescentia. Folia varia. Inflorescentia vel capitulum, vel panicula deeoraposita, spiculis in 

 verticillis densis, per ramos dissitis, aggi'cgatis. 

 Tlie monadelphous stamens ofteu with, extremely long points, the absence of squamulse, 



the convex, not keeled, upper palea of the fertile flower, and narrow linear oblong fruit 



are characters which separate this genus from all others. 



Conspectus Specierum. 

 Sect. I. " Scirpobambos." Spicidce cylindrico-conicse, 12-20 lin. longae, in capituHs, 



SEepe terminalibus, dense aggregata; * 1.0. Abyssinica. 



Sect. II. Spiculse in verticillis, secus ramos dissitis, aggregatse. 



Spicula cylindrica, 9-14 lin. longa, flosculo terminali tabescente, con- 

 spicuo, exserto. Palea inferior acuminata, margine pilis nigris vel 

 violaceis ciliata 2. O. nigro-ciliata. 



Spicula cylindrica, angusta, sub 9 lin. longa, ssepe curvata, flosculo 



terminali tabescente nullo. Palea inferior margine j9«/i« albis fimbriata 3. O. albo-ciliata. 



Spicula subcompressa, brevis, 4-7 lin. longa, ssepius 3-flora, raro 6-flora, 

 flosculis 1-3 bipaleaceis. Palea inferior spinoso-acuta, margine brevis- 

 sime fimbriata vel omnino glabra. Antherse longe mucronatse . . 4. O. Thwaitesii. 



Spicula teres, brevis, 6 lin. longa, 4-5-flora, flosculis 2 bipaleaceis, 

 terminali vel ad pedicellum brevissimum redacto, vel omnino obsoleto. 

 Palea inferior saepe. spinoso-acuminatissima, nervoso-striata, margine 

 glabra. Antherae vel mucrone brevissimo vel pilis 1-2 hyalinis api- 

 culattC 5. 0. Stocksii. 



1. 0. ABYSSINICA, Munro. Culmo arboreo, spiculis oblongo-conicis, numerosissimis, in 

 capitulis, terminalibus vel spicatis, conglomerato-aggregatis, monoicis, flosculis 1-2 

 bipaleaceis, palea inferioi'e dorso plus minus hirsuLa, foliis lanccolatis, vagiuis ore 

 fimbriatis. — Bambusa abyssinica, Rich. Tent . Fl. Abyss, ii. 439 ; Steud. /. c. 330 ; 

 Walp. Ann. vi. 781. B. Schimperiana, Steud. in litt. ad. no. 501 un. itin. 



Hab. in Africa tropica, Abyssinia in ripas fluv. Tacazze (" Arkai " et " Chommel " incolis) , Quartin Dillon, 

 no. 501 ! Schimper (folia tantum) ; Gallabat, IMatamma, no. 2511 ! Schweinfurth; Angola, Pungo 

 Andongo, 2400-3800 ped. s. m., no. 1134! Welwitsch; Accra! Vogel (folia); Nufife, iiff/Vw, 805 

 (folia). V. s. 



Culmus 25-50-pedalis, lignosus, basi l|-3 poll, diametro, inermis, glauco-pruinosus, ramis verticillatis, 

 spatbis 10 poll, longis, intus glabris, extus hirsutis, margine superne fimbriatis, apicido lineari-lauce- 

 olato, 2 poll, longo, utrinque hirsuto. Folia lineari- vcl oblongo-lanceolata, plcrumque 6-7 poU. 

 longa, G-12 lin. lata (interdum, in eodem ramo, superiora (more insolito) minora, G poll, longa, 6-8 



