2;20 CHLORIS MELVILLIANA. 



tantum Jisso. Panicula coarctata, ramis semiverticillatis. 

 Glumse enerves, inferiors minori. Stamina 1-3. Stigmata 

 persistentia. 



Obs. E graminibus unifloris proxime accedit Vilfse et 

 Colpodio, affinitatem habet etiam quandam cum Schmidtia 

 Trattin. (Coleanthus Jloem. et. 8ch. si/si. 2, p. 11), cui certe 

 gluma nulla, et perianthium bivalve, probante valvula supe- 

 riore dinervi. 



Inter genera locustis bifloris Phippsia affinis est Cata- 

 brosse, conveniens glumis abbreviatis, perianthiis obtusis 

 concavis et foliorum vaginis apice tantum fisso : difFert 

 locustis unifloris, caryopside tereti, nee lateralitcr compressa. 



55. PHIPPSIA ALGIDA. 



Agrostis algida, Soland. in Phipps' voy.p. 200, cum de- 

 scriptione accurata. Wahlenb. lapp. p. 25, t. 1, ubi peri- 

 anthium pro gluma, omnino prsetervisa, depictum, et lodicula, 

 perperam indivisa et aucta, pro perianthio univalvi. Flor. 

 Dmi. 1505, structuram eandem exhibens ac in Wahlenb. 

 1. c. Br. in Ross voy. ed. 2, v. 2, p. 191 (Gramen sui 

 generis.) {Ante, p. 177.) 



Trichodium algidum, Svensh hot. 545, f. 2, ab ic. 

 Wahlenb. mutuata. Boem. et. Sch. syst. 2,/). 283. 



Desc. Gramen biunciale, glaberrimum, CBespitosum. 

 Culmi ipsa basi divisi ibique vaginis scariosis tecti. Folia 

 linearia, obtusiuscula, Isevia : li^ula brevis, obtusissima, 

 indivisa : vagina laxiuscula, Integra, ipso apice tantum fisso. 

 Fanicula coarctata, ramis semiverticillatis, paucifloris, Isevi- 

 bus. Locustcs uniflortB. Gluma nana, bivalvis, insequalis, 

 valvulse muticse, obtusiusculse, concavse, baud carinatae, 

 integrse, membranaceas ; inferior minor, enervis ; superior 

 plus duplo major, ipso perianthio triplo circiter brevior, 

 obsolete uninervis ; ambse ssepissime post lapsum perian- 

 thii cum rachide persistentes, inferiore quandoque decidua. 

 Perianthium intra glumam brevissime pedicellatum : valvula 

 inferior coiicava, ovato-lanceolata, trinervis, nervorum di- 

 niidio inferiore hispidulo ; superior ejusdem fere longitudinis 



