— 356 — 
Cum in fasciculo priori de Airis tractabam, ob seminum quorumdam defectum 
muticas illius generis species omisi. Has nunc suo quamvis loco inserendas adjicio, 
charactere generis ita correcto: Perianthio . . . . armata vel mulica. Semen oblon- 
gum vel oblongo-cylindraceum etc. 
Ante Airam pulchellam iaque inseratur : 
Aira involucrala Cas.  Glumis perianthia subintegra mutica subaequantibus; Folis 
angustissimis ; (Radiorum inferiorum verticillis sterilibus). 
Airopsis involucrata Pal. KR. ets. IL p. 576. 
Periballia poaeoides Tr. Fund. Agr. (ubi semen male descriptum). 
V. spp. Lus. Hisp. 
Post Airam canescentem ponantur : 
Aira agrostidea Lois. Glumis perianthüs glabris muticis duplo longioribus'; Folis 
planis; (Panicula patula). 
Airopsis agrostidea R. et S. IL p. 579. 
Airopsis Candollei Des. 
Po agrostidea DeC.! 
V. spp. Gall. Sic. 
ÆAira globosa Thore. Glamis perianthüs villosis muticis tertiam partem longioribus; 
Foliis setaceo-involuiis ; (Panicula thyrsode). 
Airopsis globosa Des. R et S. IL. p. 578. 
Milium tenellum Cav. 
Paspalum globosum Rasp. 
V. spp. Gall. austr. 
In subdivisione b, .dirae caryophylleae antecedat: 
Aire T'enorei Guss.! Panicula divaricatissima; Glumis flosculis muticis paulo vel 
quarlam partem longioribus; Pilis subobsoletis, 
ÆAiropsis pulchella T'en.! 
V. spp. Sic. Neap. 
