94 
Pteris inframarginalis Link. hört, berol. 2. 34; — Cassebeera J. Sm. Bot. Mag. 72. 
Mise. 20; — Pteris fallax Mart. Gal. fil. mex. 14 T. 14 f. 2; — Cheilanthes Priono- 
pteris A. Braun, ex Hk. 1. c. 
Mexico, Guatemala. 
var. Segmentis fertilibus argute spinulose serratis (Fig. 38 — 41). 
Mexico. 
81. Ch. nitidula Hk. spec. II. 112; ic. pl. 912. 
Rhizoma repens caespitosum , paleis ferrugineis flaccidis lanceolatis vestitum; folia 
chartacea supra laete viridia nitidula, infra pallida, glabra; petiolus 2 — 4" longus, fus- 
cus nitidus, laxe paleaceus; lamina 2 , / 2 // longa, ovata subbipinnatisecta ; segmenta pri— 
maria opposita subapproximata patentia, inferiora breviter petiolata, inaequaliter deltoidea, 
superiora oblonga; secundaria basi inferiore decurrente adnata, oblonga obtusiuscula, sterilia 
crenata vel bicrenata , crenis nervum indivisum vel furcatum excipientibus, fertilia leviter 
crenulata, ad sinus crenarum soriferae ; margo revolutus abrupte attenuatus, scariosus conti- 
nuus vel interruptus, indusium spurium intramarginale referens. 
Pteris Wall. cat. 89. — Allosorus Pr. t. 152. 
Himalaya. 
82. Ch. arabica DeCaisne (Arch. d. Mus. II. 190); Buchinger Flora 1846 I. 303; 
Kz. Linn. 23. 307. 
Rhizoma caespitosum , paleis flaccidis rufo-ferrugineis lanceolatis subulatis densissime 
vestitum; folia chartacea glabra, infra ad costas una cum petiolo hirsuta; petiolus 2 — 5" 
longus, fuscus nitidus; lamina 2 — 4" longa, ovata pinnatisecta , basi deorsum bipinnati— 
secta; segmenta opposita, patentia, subsessilia, infima inaequaliter deltoideo-ovata, bipar- 
tita, superiora oblonga obtusa, omnia profunde pinnatipartita ; laciniae basi inferiore decur- 
rente coadunatae vel ala latiuscula confluentes, oblongae obtusae, margine leviter crenatae; 
margo abrupte attenuatus scariosus rufescens continuus integerrimus , iateris utriusque 
subconnivens. 
? Pellaea Fee g. 130; — Cheilanthes DeCaisnii Kz. olim. 
Abyssinia (Schimper). 
Folia sterilia non vidi. 
82 b. Ch. coriacea DeCaisne Arch. d. Mus. II. 190; Hk. sp. II. 109. — Arabia. 
Segmentis infra glaberrimis ex descriptione auctoris ab antecedente diversa. 
83. Ch. pulchella Bory. W. V. 456; Hk. sp. II. 109 T. 94 A; Webb et Berth. 
phyt. can. 453 T. 252. 
Rhizoma caespitosum, paleis rigidis fuscis lanceolato-subulatis dense vestitum; folia 
subcoriacea laete viridia glabra; petiolus 2 — 4" longus, rufescenti-fuscus , nitidus, inferne 
