— 347 



348 — 



nam von W ei gelt besitze, übereinstimmt, so bin 

 ich um so sicherer, das« sich meine neue Art von 

 der K u n t h'sehen ganz bestimmt unterscheidet, ohne 

 doch damit beweisen zu wollen, dass die zuerst 

 von li u in. Ii n I d t und Bonpland aus Mexiko ge- 

 brachte Art zu der aus Guiana gehöre. 



Genus Chondrosium. 

 Ch. subscorpioides C.Müll, n. sp. ; cnlmus gra- 

 cilis genullexus teuer filiformis, e nodis ramos fer- 

 tiles interdum exserens, cespitosus, ubique glaber- 

 rimus, striatus, 4 — 5-pollicaris ; nodi imberbes; Va- 

 gina striata glabra, internodium aequans vel bre- 

 vior; lamina setaceo- linearis subulata brevis pilis 

 sparsis ubique obsita; ligula brevissima, in pilos 

 creberrimos densissime dispositos tenerrimos strictos 

 glabros fimbriato-divisa; spicae quatuor alternae 

 brevissime et nude pedicellatae , ad rhachin gla- 

 berrimam gracillimam canaliculatam ultrapollica- 

 rem positae, recurvatae, falcatae vel spiraliler re- 

 volutae violascentes, teuellae parvae angustae ; spi- 

 culae c. sedecim - jugae, teuellae, dense confertae, 

 sessiles, unilaterales, biseriatae , biflorae; glumae 

 duae, superior major spiculae longitudine, viola- 

 scens, carinate oblongo-lanceolata, in acumina bre- 

 via serrulata hyalina inaequalia fissa, nervo valido 

 apice aculeolato in aristam aculeatam acumine bre- 

 viorem excedente , inferior muito angustior minor 

 hyalina, apice lacerato breviter bifida, nervo tenui 

 basi aculeolato evanesceute, omnes glaberrimae; 

 flos superior sterilis pedicellatus basi fimbriato-pi- 

 losus , triaristatus, e valvulis pluribus rotundato- 

 oochleariformibus margine serrulatis hyalinis tene- 

 ris enervibus compositus; superior hermaphroditus ; 

 ualvulae pallidae , inferior apice trifida biaristata, 

 superne serrulata, pilosa, superior uiulto major, 

 quadrifida et triaristata, laciuiae mediae multo la- 

 tiores apice excisae, laciuiae laterales angustissi- 

 mae , omnes ero>o- serrulatae, basi longe pilosae, 

 apice aculeolato-!-cal>rae. 



Patria. California: Barclay. Watsou do- 

 navit. 



A Ch. Humboldtiano cbaracteribus typographice 

 laudatis distinguitur ; hahitu spicae Ch. scvrpioidl 

 affiuius, sed spicis quaternis longe recedens. 



Genus Danthonia. 

 D. Griffithiana C. Müll. n. sp. ; culmus humi- 

 lis pallescens 2— 6-pollicaris gracilis laxe cespito- 

 sus ascendens, ante rhachin hirtus , inferne glaher- 

 rimus; nodi deusi nudi, basi culmi radices elonga- 

 tas pallidas exserentes ; vagina margine spar-im 

 pilosa, glabra, sulcato-striata , internodium longitu- 

 dine aequans vel brevior; lamina brevissima semi- 

 pollicaris, anguste lanceolato-acuuiiuata, planissiina 



nee convoluta, superne sulcato-striata ubique sur- 

 sum scaberrima. intense viridis, inferne glabra nee 

 striata sed sparsim pilosa, glaueo -albida; ligula 

 brevis glaberrima obtu^ata lacerata, nee pilosa; pa- 

 nieula parva spicata laxa, pallescens, rhachi pedi- 

 cellisque angulatis scaliris pilosis; radii inferiores 

 rainulosi, spiculis lougius pedicellatis; spiculae supe- 

 riores subsessiles, omnes biflorae pallescentes; glu- 

 mae duae flores sulisuperaiites laxe confertae; in— 

 aequales, trinerves, lanceolato-acuininatae, margine 

 superne fimbriato-serratae, ad nervum medium va- 

 lidum in aristam strietam brevem dorso serratam 

 produetum pilis longis e verrucis exeuntibus spar- 

 sim ciliatae ; valvula inferior major basi coneava 

 elliptica, trinervis , apice in lacinias duas acumina- 

 tas aristulatas fimbriatas, medio in aristam siccitate 

 spiraliter tortam elongatim basi canaliculatam su- 

 perne teretem serratam producta; v. superior mi- 

 nor in lacinias brtves apice ciliatas nee aristatas 

 et medio in aristam strietam breviorem protraeta; 

 squamulae e basi longa angustata involuta-ellipti- 

 cae , apicem versus ciliatae. , 



Patria. ludia orientalis , Khasiya : Griffith 

 legit. 



Inter species asiaticas nunc tertia, tenella, gra- 

 cilitudine, foliis brevibus paniculaque spicaeformi 

 laxa subhorrida parva primo moinento coguoscitur. 



D. pseudo-spicatu C. Müll. n. sp. ; culmus elon- 

 gatus genuflexus subrobustus , vaginis ouinino ob- 

 tectus, basi stolonifer, glaberrimus ; nodi imberbes; 

 internodia pauca; vagina longissima laminam multo 

 superans, sulcato-striata sparsim puberula, robusta, 

 internodium aequans; lamina brevissima, liueari- 

 subulata acutata planiuscula, puberula et seabra, 

 minus sulcata; ligula membranacea distincta obtu- 

 sato-rotundata subintegra, nee pilosa; panicula 

 depauperata bipollicaris ; spiculae inferiores in longis 

 pedicellis quaternis scabriusculis basi nudis posi- 

 tae, superiores solitariae, omnes 2 — 3-florae, sub- 

 robustae majores, pallidissimae, laxe florentes hor- 

 ridae; glumae spicas ad aristas omnino obtegentes, 

 lanceolato-acuminatac, nervis excedentibus serrula- 

 tis cuspidatae, apicem versus denticulatae, inferior 

 angustior utiinerris , superior nerris binis dorso 

 sparsim scabris exarata; valvula inferior late ob- 

 longo-lanceolata acumiiiata elungata marginibus ser- 

 rulatis involuta, pilis longis ubique hiitissinia, apice 

 in lacinias acuminatas aristulatas nervis hinis per- 

 cursas bifida, medio in aristam elongatam strietam, 

 siccitate flexuosam basi sulxanaliculatain ubique 

 sparse serrulatam producta; v. supirior multo an- 

 gustior canalicnlata, apice obtusata, marginibus 

 uervosis incrassatis et apice ubique aculeolata et 

 fimbriatä. 



