70 18 



terminadas en una puntita. Las fructificaciones solitarias en dos lineas immediatas al 

 nervio principal de las pinulas secundarias. Los puntos son redondos come igualmente 

 sus tegumenlos. Don Luis Née la encontre junto à Chalma. pueblo de la Nueva-Espana. 



The best character of the species, the position of the sori, was clearly described 

 by Ca VANILLES. Fée renamed the species of Martens and Galeotti, referring it to 

 Aihijrium, because the indusium is sometimes subhippocrepiform. A. agatolepis is 

 the same according to specimens so named by Fournier (Bourgeau nr. 1164). D. 

 cinnamomea is exclusively a Mexican species and is very variable. The typical 

 form can shortly be described thus: Rhizome oblique, like stipe densely clothed 

 with large (up to 2 cm. long), ovate-acuminate, concolorous, red-yellow, thin and 

 glossy, entire scales. Stipe stramineous, 10 — 15 cm. long. Lamina lanceolate or 

 subdeltoid, firmly herbaceous or membranous, without hairs but more or less 

 finely glandular on both sides by minute, glossy, whitish glands, especially on the 

 costæ beneath, fully tripinnate, about 20cm. long by 10cm. broad; the pale rachis 

 and the green costæ beneath with some few small scales. Pinnæ opposite, the 

 lower somewhat shortened, the longest 5—8 cm. long, 2 — 3 cm. broad, deltoid-oblong, 

 mostly equal-sided or somewhat reduced on the lower side at base. Pinnules 

 oblong or subdeltoid, the lower ones free, the upper decurrent; free pinnules 

 equal-sided, fully pinnate at base; segments III entire or toothed, acute, ascending. 

 Veins indistinct, forked in the segments. Sori nearly always solitary in the segment 

 close to the secondary midrib, furnished with a large, flat, greyish, finely glandulose 

 indusium, which is as a rule truly reniform but sometimes subhippocrepiform. 

 In mature leaves the indusium appears often to be lateral (cystopteroid), because 

 the sporangia come out at one side only, viz. that opposite the sinus. 



This typical form seems to be well-marked and not easily to confound with 

 the much larger and less finely cut D. patiila mexicana; the best characters are 

 the position of the sori and shape of indusium, the equal-sided free, lower pinnules 

 and the finely glandular surfaces. — The following specimens seen are typical: 



Mexico: State of Me.xico, near Toluca, J. N. Rose and Painter nr. 6807 (W) — Durango, Tejameu, 

 Edw. Palmer nr. 506 (W) — Hidalgo, Sierra de Pachuca, Pringle nr. 13815 (H, W) and 

 J. N. Rose and Painter m. 6745 (W) — Morelos, Sierra de Tepoxlan, Rose and Painter 

 nr. 7257 (W) — Miclioacan, hills of Patzuaro, Pringle nr. 3362 (W) — Chihuahua, Arroyo 

 Ancho, Sierra Madre, Pringle nr. 1445 (W), 1712 (S) — Barranca de Santa Fée, Bourgeau 

 nr. 1164 (H) — Montezuma près Cuantepec, Bourgeau nr. 1165 (H). 



7. Dryopteris indecora (Liebm.) C. Chr. Ind. 272. 1905. 

 Syn. Lastrea indecora Liebm. Vid. Selsk. Skr. V. 1: 272. 1849. 

 Aspidium indecorum Fourn. Mex. pi. 1: 97. 1872. 

 Aspidium inquinans Fée, 8 mém. 106. 1857 (teste Fournier). 

 Mexico, Yavesia, Dep. Oajaca, 7 — 7500 ft., leg. Liebmann nr. 2417 (H!) 

 A very doubtful species based on three imperfect leaves. It may be a form 

 of D. cinnamomea. Hieronvmus describes (Hedwigia 4C: 346. 1907) a var. obtusa 

 from Colombia, Stübel nr. 110, which I have not seen. 



