4 r 



Tab. iix. PANIGUM Perrottetii. 



Culmis erectis^ simplicibus^ foliis lanceolatis , planis, margine undulatis vagi- 

 nisque glabris 5 paniculis simplicibus 5 ramis verticillatis , patulis , mferne pilosis ; 

 spiculis pedicellatis, solitariis; gluma inferiore nuUa, superiore floreque neutro uni- 

 paleaceo trinerviis, inter nervos margineque pilosis; flore hermaphrodito acutato^ 

 nitido , Isevi ^ glabro. 



Crescit in Senegalia, prope Walo 



Radixfibrosa; fibris filiformibus , albidis, glabris, superne villosls. Ciilmi caespitosi , er ecti , 

 tereliusculi , striatuli , glabri , simplices , adjecta panicula 2 8-5o-pollicares 5 interdum multo 

 brevIores(9-io-pollicares), inferne ramosi, adscendentes. Nodi imberbes. Folia lanceolata, 

 apice angustato-suLulata, basi rotundata , plana, margine undulata, nervosa, glabra, 2i-3-polli- 

 carla, 5-3 1 lineas lata, Vaginae teretes, striata^, glabroe , internodiis breviores, 1 ^ pollicares • 

 summa 4l-5-poUicaris. Ligula : margo angustus , membranaceus , glaber. Panicula slmplex, 

 5-6-pollIcaris ; rhacliis angulata , glabra ; ramis vertlclllatis , inferloribus nonis , superlorlbus 

 ternls vel oppositls, patuHs, indivisls, fillformlbus , angulatls, polllcarlbus, Inferne pilosls , 

 superne scabrls et subflexuosls. Splculae pediceUalae, solitarlae, alterna?, distantes, | llneae 

 longae^ elllptlco - oblongae , acutae, blfloroe, cum pediceUo artlculatajj pedlceUis angulatis, 

 scabrls, spicula paulo brevloribus. Gluma inferlor nuUa : superlor oblonga, acutluscula, 

 concava , trinervla , membranacea , fuscescens , externe ad utrumque marginem interque 

 nervos molUter pUosa, ad utrumque latus cujuslibet nervi glabra. Flos interior neuter, unipa- 

 leaceus, glumse superlori slmilHmus eumque longltudlne aequans, sed mlnus concavus florem^e! 

 hermaphroditum marglnibus amplectens; paleae superioris rudimentum obsoletum. Flos 

 hermaphroditus longltudlne florls slerilis , basi artlculatus , bipaleaceus , eUIptlcus , acutatus : 

 Pale^ chartaceae, subtlHssIme subretlculatae , glabroe , aU^idae, nitidae, fructlferae arcte 

 clausae fuscae ; inferlor eUiptlca, acutata, concava, superlorem marginibus amplec 



superlor vix brevlor, elUptlca, acuta, concava, marglnibus inflexls genltaUaamplectens. S^amulae 

 duis, antlca3, coUaterales, hyalino-membranaceae , obUcpiae, rotundato - suhbilobae , glabrae 



Stam 

 long 



trla, hypogynaj unum anterlus, duo lateraUa. Filamenta capiUacea. Antherae ob- 

 utrinque bifidae, foscae, glabrae, biloculares, secundum totam longitudinem dehls 



p 



centes. Pollinis granula minutisama, subrotunda, hyaUna. Ovarium oblongum, basl atte- 

 nuatum , glabrum . StyH duo, terminales , elongati, glabri. Stigmata penicilliformi - plumosa, 

 violascentia j pilis subulatis , simpUcibus , obsolete denticulatis . Caryopsis eUiptica , apice 

 rotundata et apiculata , paleis paraUele compressiuscula , externe convexior , Isvis, glabra 

 albida , interne ad basim macula oblonga nitente fasca oceUata. Pericarpimn tenmter membra- 



naceum, hyaUnum, adh^rens. Embryo eUipticus, lenticularis , fructu triplo brevior, an3mnm.s 



farinosi parti inferiori extus adnatus , auUce sulco longitudinaU pro receptione corcuU exa- 



ratus. Corculmn fusiformi- teretiusculmn , in sulco embryonis receptmn ibiqne per dorsmn 

 me dium adnatum . 



100 



