HARTWEGIAN^. 97 



nervis validis ubique notatum, ore Iiyalino bidentato. Achenium 

 7-9 lin- longum, 3-9 lin. latum, trigono-ellipticum, pallidum. 

 Ad basin spicularum lateralium adest, inter spiculam et axin, 

 squama sterilis, basi tumida, nervosa, quae (ut in C, polystachya 

 Willd. observavi) spiculam, virtute quasi contractili, more glan- 

 dulse tumidae ad basin foliorum pinnatorum, patetdeprimitque. 

 C. Mexicanse, Presl. (Kunth. Cyp, p. 510^, certe valde affinis, 

 quae tamen " squamis masculis ovatis ; femineis ovato-subro- 

 tundis, lineolis maculisque ferrugineis conspersis ; perigyniis 

 subnervosis ? fuscescentibus, punctulis lineolisque ferrugineis 

 obsitis, ore truncato ciliolato; achenio substipitato, castaneo, 

 fusco," distincta. — Boott. — In praeruptis prope Guatemala. 



629. Festuc^, sp. n. ? F- Tolucensi Humb. et Kunth afSnis. 



In ipso cratere montis ignivomi *'Volcan de Agua" dicti. 



630 Gymnogramma calomelanos, Kaulf. FiL 76. — In mon- 

 tibus Mixco. 



631- AspiDiUM aculeaturrij Sw. — Cham, et Schlecht. Linnaea 

 6, 611. — In montibus Las Nubes, prope urbem Guatemala. 



* AsPLENiUM Serra, Langsd. et Rich. FiL Bras.— In monti- 

 bus Las Nubes. 



Jan. 1842. o 



