332 



De Graminibus aovis vel minus cogniüs 



scripsii 



Carolu» Müller H-alcns. 



(Fortsetzung.) » 



19. Paspalum (.Soleiiorhachis') Drummondi n. sp. ; 



in/uaticum herbaceum subhumile semipedale vel 

 longius, decumhenti - r'amqsum vel erectum dichoto- 

 iiMim. internodiis iiiferiorihus radicantibus (band 

 fibrillosis) sursum fotiosum , sordide viride; culmus 

 gracilis inferne foliis marcescentibüs iiudus squali- 

 dus glaber suleato-striatus , internodiis brevioribns 

 vel longioribus uodis vagina obtectis glabris c.onna- 

 tis articulatus : raiims fertiiis 2 — 4-polIicaris inter- 

 nodiis 1 — 3 vagina brevioribns; internodium fer- 

 tile vagina intumescente glaberrinut membranacea 

 subcompressa margine teneriore leviter striata ob- 

 tectum, racemos ternos superos duos solum exser- 

 tos emittens ; folium vagina indistincte minute hi- 

 stipulata brevius rix pollicare planum lanceolatum 

 brevitcr acuniinatuni et brevissime mucronatuni mem- 

 branaceum margine soabriusculiini glabrnm laevis- 

 sime striatnm , l>asi ligula membranacea ovato-acu- 

 miuata integra lougiuscula praeditum : rhachis com- 

 munis pollicaris angulosa, partialis semipollicaris 

 latiuscule lineari-lanceolata, costä fertili excurrente 

 truncatula veluti pungens viridissima tenera dia- 

 phana margine scabriuscula applanata paulisper 

 coneava, costä fertili parum (lexuosa utrinque pedi- 

 cellis singulis brevissimis nndis curvato-adscenden- 

 tibus caudelabriformi exarata ; spiculae biseriales ( 

 alternae ovales obtüsae vel brevissime mucronatae 

 parvae nudae pallescentes , glumis 2 fugacissimis 

 marcescentibus tenerrimis apice obtuso vel nervo 

 incrassato veluti mucronato tuberculosis , valvulis 

 ebartaeeis obtusissimis laevibns margine involutis 

 apice cucullatis. 



Patria. America septentrionalis, ubi prope St. 

 Louis legit Drummond (Coli. I. No. 182). 



Notis laudatis pruesertim textura membranacea 

 lierbacea primo visu distinguendum , Paspali flui- 

 tantis veluti diminutivum, construetione vero paui- 

 culae longe diversuin. 



20. Paspalum (Cabrera} gnapüälioideum n. sp.; 

 perenne strictum rigidum dense cespitosum gnupha- 

 lioideo- lanosum; eulmus junior prope seniorem e 

 rliizomatc radices firmas longiusculas spiraliter flc- 

 xuosas ejnittente germinans solum lanuginosus, se- 

 nior foliis mareidis fragilibus glabrescens pedalis, 

 internodiis circa 6 breviusculis teretibus nodis an- 

 gustissimis nee tumidis nee coaretatis glabris con- ; 

 junetis articulatus , foliorum vaginis internodio lon- 

 gioribus striatulis compressiuscnlis inferne nudiuscu- 

 lis omnino fere inclusus ; folii lamina vagina basi 



Im ml contractu longior anguste lanceolato-acumi- 

 nata acuta pungens rigida firma circa 9-nervia de- 

 lapsu villi striatula sed villo obteeta uninervia nun- 

 quam viridis plana vel complicata, pilis serieeo- 

 albidis e tuberculis roihutissimis emissis gnaphalioi- 

 deo-vitlosa, basi ligula brevissima timbriata ornata. 

 in vaginalis sensim decurrens; internodium fertile 

 elongatum cylindricnin vagina folii laminam brevis- 

 simam lineari-lanceolatam superante densissime con- 

 volutum, in culmuni elongatum (ilifonnem cylindri- 

 cum iino latere angnstissime canaliculattini glabrum 

 tristaehyum strictissimuni apice asperulo-pubescen- 

 tem et breviorem multo teneriorem capillarem tere- 

 tem ilistachyum divisnm; racemi paralleli ascenden- 

 tes strictiusculi setoso-hispidi suprapollicares; rha- 

 chis dorso sterili angusto applanato et latere fer- 

 tili ob costam valde carinalam veluti triquetra, spi- 

 culis minutis biserialibus in cavitate rliaclieos ses- 

 silibus praeditae, ad latera tria margine setis bre- 

 viusculis strictis rigidis sordide aureis tuberculo 

 pallescenti insidentibus ut basis spicularum se- 

 toso-hispida ; spiculue basi setis longioribus semi- 

 verticillatim dispositis ornatae, minutae obovatae, 

 glumis 2 tenerrimis pellucidis ovalibus obtusissimis 

 apice margine plus minus involutis dorso setoso- 

 hispidulis, valvulis ebartaeeis ejusdem formae lae- 

 vissimis fuseidulis ubique-fere margine involutis. 



Patria. Surinam, in arenosis prope Joden-Sa- 

 vanna : Kegel mense Novembr. 1845 legit. 



E descriptione Paspalo iAxonopodi) savanna- 

 rum Schldl. maxime affine, vestigiis autem exaetius 

 impressis jam certe distinclum. 



21. Paspalum Miliaria n. sp. ; aquaticum humile 

 semipcdale vel multo brevius palchellum tenellum 

 viridulum , basi ex internodiis pluribus brevissimis 

 radices elongatas crassiusculas molles fibritlosas 

 pallescentes puras emittens, superne foliosum vi- 

 rescens, geniculato-adscendens ramosum Cvel juve- 

 nile vix 2 — 4 -pollicare simples), latifolium et in 

 paniculam pulchellam ditissime racemosam exiens ; 

 internodia perbrevia teretia sulcato- striata palle- 

 scentia laevissima nitentia, vaginas folii longitudine 

 duplo superautia; vagina pro more omnino ample- 

 ctens semipollicaris vel brevior sulcato- nervosa, 

 inter costase sulco pilos breves tnberculo pallido 

 insidentes emittens, basi nodum tumescentem obte- 

 gens albide barbata, margine membranacea, dia- 

 phana; ligula obsoleta brevissime pilosa lineam in 

 laminam excurrentem oblongam circumscribens te- 

 nera ; laminti rigida e basi angustata latiuscule 

 oblongo-lanceolata breviter acuminata, vagina du- 

 plo fere longior, pro more planissima, pollicaris 

 vel multo brevior, superne nervis numerosis den- 

 sissime profunde sulcata, costa media carentia. hie 



