25. CHEILANTHES, ADIANTOPSIS. 133 



both edges of the segments, small, roundish. Hypolepis, Hk. Sp. 2. p. 73, 

 t. 92. A. 



Hab. Jamaica ; discovered by Mr. Purdie. 



9. C. (Adiant.) dichotomy Swartz ; st. densely tufted, slender, 4-6 in. 1., 

 polished, naked, dark chesnut-brown ; fr. 12-18 in. 1., 4-6 in. br., oblong, tri- or 

 quadripinnate, the main rachis very slender, zigzag, the secondary ones the 

 same, spreading at right angles ; pinnae 2-3 in. 1., deltoid ; pinnl. lanceolate- 

 oblong, cut down to the rachis into a few ternately-divided roundish or oblong 

 segm. or even again slightly branched at the base ; ult. divisions ^ in. each way ; 

 rachis naked and polished, both surfaces naked ; sori small, roundish, marginal, 

 distinct. #. Sp. 2. p. 104. t. 102. B. 



Hab. Quito, Brazil, and Uraguay. Very different from all the others in manner of 

 growth, &c. 



10. C. (Adiant.) Seemanni, Hk. ; st. tufted, 3-6 in. 1., strong, wiry, erect, 

 dark chesnut-brown, fibrillose below ; fr. 4-9 in. 1., 2-3 in. br., ovate-lanceolate, 

 tripinnatifid ; pinnce in numerous nearly opposite pairs, the lowest 1^-2 in. 1., 

 | in. br., lanceolate ; the pinnl. oblong-lanceolate, cut down to the rachis below ; 

 texture subcoriaceous ; rachis and both surfaces nearly naked ; sori roundish, 

 1 to 4 to the segments, lateral, not confluent ; invol. pale-brown. Hk. Sp. Fil. 2. 

 p. 85. t. 97. A. 



Hab. Sierra Madre, N,W. Mexico ; discovered by Dr. Seemann. This may be a form 

 of C. microphylla, from which it differs only in its distinct involucres. 



11. C. (Adiant.) Schimperi, Hk. ; st. tufted, 3-6 in. 1., erect, wiry, naked, 

 chesnut-brown, glossy ; fr. 3-4 in. 1., nearly as broad, deltoid, quadripinnatifid ; 

 lower pinnce much the largest ; pinnl. lanceolate- deltoid, ult. divisions linear, 

 acute, entire or toothed, 2 lin. 1., less than | lin. br. ; texture subcoriaceous ; 

 rachis glossy, naked ; sori numerous, small, placed along both margins of the 

 ult. divisions. Hk. Sp. 2. p. 70. 



Hab. Abyssinia ; discovered by Schimper. Habit of Hypolepis Californica and Chd- 

 lanthes tenuifolia. 



12. C. (Adiant.) incisa, Kunze ; st. 1-2 in. ]., erect, polished, naked, dark- 

 brown; fr. 2 in. 1., 1 in. br., ovate-deltoid, tripinnatifid ; lower pinnce 1 in. 1., 

 cut down to the rachis into several oblong pinnl. ; segm. narrow, linear, sharp- 

 pointed ; texture subcoriaceous ; sori few, distant, marginal, roundish or trans- 

 versely oblong. Mett. Cheil. No. 65. t. 3./. 28-31. 



Hab. South of Brazil, fide Mettenius. There is no specimen of this in the Hookerian 

 Herbarium, but it is carefully figured and described by Prof. Mettenius, and seems a 

 very distinct plant. 



13. C. (Adiant.) chlorophylla, Swz. ; rhizome stout, paleaceous ; st. contiguous, 

 12-18 in. 1., strong, erect, polished, naked, dark chesnut-brown ; fr. 12-18 in. 1., 

 4-8 in. br., ovate-lanceolate tripinnatifid ; pinnce 3-5 in. 1., f to 1^ in. br., 

 distant, lanceolate ; pinnl. lanceolate, cut down to the rachis into numerous 

 entire linear-oblong segm. ; texture herbaceous ; rachis like the stipe ; sori 

 numerous, small, roundish, placed on both edges. Hypolepis spectabilis, Link, 

 Hk.Sp.Z.p.lZ.t.W.'B. 



Hab. South America, from New Granada southward to Monte Video. 



