PASPALUM. 



GRAMINEAE. 713 



pubesceutes, ore barbatae. Spicae 7 alternae lineares ujuhiflorae remotae, rhachidi 

 appressae. Axis (i. e. culmi pars Oorifera) elongatus flexuosus pubescens scaber. 

 Rhacbis inarticulata plana ciliata spiculis angustior. Spiculae uuilaterales biseriales 

 cum pedicello articulatae. Peclicellus brevissinnis apicem versus incrassalus, pilis al- 

 bis elongaiis erectis hirsutissimus. Spiculae ovoideo - oblongae sericeae biflorae. 

 Ghma una membranacea ovata trinervis sericea mucronata, flosculo hermaphrodito 

 longior. Flosculus inferior neuter 1 - paleaceus membranaceus, palea forma, longitu- 

 dine et consistentia glumam aequans. Flos superior hermaphroditus 2-paleaceus co- 

 riaceus muticus ovoideus, palea inferior ovaia superiorem oblongam amplectens. Sta- 

 mina tria; ovarium glabrum, styli duo Iiberi, stigmata aspergilliformia. — Crescit in 

 locis humidis prope Neubraunfels in Texade. 



3. P. GARDNERIANUM N. ab E. in Hook. Kew gard. misc. IF. 103. f — Racemis pluribus 

 (2—4) alternis falcatisque, basi barbatis; pedicellis hirtis sub spicula baibatis, rhachi 

 plana obluse carinata undata, margine setosa ; spiculis geminatis latitudine aequali, 

 spiculis oblongo - ovalibus; gluma nullal valvula neutra (gluma vulgo superiore) tenui 

 puberula trinervia, nervo medio obsoleto; foliis culmo stricto multo brevioribus glabris, 

 inferioribus confertis, a basi argute acuminatis planis, margine cartilagineis striclis, 

 culmeis paucis parvis , vaginis radicalibus basi holosericeis. — Habitat in Brasilia. 



4. P. EFFUSUM N. ab E. in Hook. I. c. 104. f — Racemis pluribus fi5— 20) brevibus di- 

 stanlibus patentissimis alternis mediis vel oppositisve fasciculato-verticillatove-ternis, in- 

 fimis saepe a vaginis proximis inclusis, rhachi plana, margine basin versus ciliata ip- 

 saque basi barbata, spiculis laxe quadriseriatis inaequaliter longe pedicellatis paulo 

 latiore; glumis ('/ 2 lin. longis) oblongo - ovalibus acutiusculis subtiliter pubescentibus 

 trinerviis ( lutescentibus ), vaginis fauce barbatis tuberculato - hirsutis laxis; foliis 

 lineari-lanceolatis acuminatis planis, supra sparsim pilosis, subtus puberulis glabrisve; 

 caule ramosissimo dilfuso. — Habitat in Brasilia. 



5. P. RECTUM N. ab E. in Hook. I. c. + — Spica solitaria (an et altera?) recta, basi bar- 

 bata elongata; rhachi trigona dorso convexa glabra, spiculis geminatis angustioie; 

 glumis aequalibus oblongis obtusis trinerviis glabris ; culmo filiformi recto stricto 

 foliisque erectis subadpressis anguste linearibus glabris; vaginis ore lanatis. — In 

 Brasilia. 



762. miAlim Linn. 



(Kntb. Enumer. I. 65, Suppl. 45.) 



1. M. SCHMIDTIANUM C. Koch, Linnaea XXI. 438. f - Quadri - quinquepedale et uhra 

 glaberrimum: folia plana , ligula ovata acuta instructa ; rami semiverticillali 4 — 6, in- 

 aequales multiflori; spiculae asperae; glumae trinerves oblongae acutiusculae aequales, 

 paululum Hosculo obsolete trinervi majores — Crescit in Grusia. 



768. IROCHLOA Palis. 



(Knlh. Enumer. I. 73, Suppl. 54.) 



U. PANICULATA Bnth. in Hooker, Niger Flora p. 558. f — Paniculae ramis gracili- 

 hus, inferioribus verticillatis; spiculis fasciculatis pedicellatis; glumis glabris, superiore 

 margine ciliato Uoreque masculo mucronatis, hermaphroditi arisla Hore longiore. — 

 Habital in Nigritia. 



III. 90 



