138 25. CHEILANTHES, §§§ PHYSArTERIS. 



deltoid ; pinnl. of the lower side the largest, cut down nearly to the rachis into 

 numerous linear-oblonq segm. ; texture subcoriaoeous ; rachis like the stijie, 

 upper surface naked, lower glandular j sori copious ; invol. pale-brown. — Hk. 

 Sp. 2. p. 88. t. 96. A. 



Hab. Neilgberry Hills, S. Hindostan. — Very near C. Stchen,oi which it is not unlikely 

 only a larger and more robust variety, and both have a close connection with C. mul- 

 tiAda. 



03. C. mriltifida, Swartz ; st. tufted, 3-9 in. 1., strong, erect, dark chesnut- 

 brown, polished, slightly scaly towards the base ; fr. 8-12 in. 1., 2-8 in. br., 

 ovate-lanceolate or deltoid, tri- or quadripinnatifid ; lower pinnl. opposite, 

 remote, erecto-patent, deltoid, 2-6 in 1. ; ult. divisions linear-oblong, deeply 

 lobed and the margin in the fertile plant much recurved ; texture subcoriaceous ; 

 rachis dark chesnut-brown, naked and polished, both surfaces naked ; sori 

 terminal on the lobes, small, roundish, slightly confluent ; itivol. membranaceous. 

 —BL <Sp. 2. p. 90. t. 100. B. Gard. F. t. 89. 



Hab. Cape Colony northward to Zambesi Land and St. Helena, and sent also from 

 Java by Dr. Blume. — Dr. Kirk's tropical specimens are larger and more compound than 

 those from further south, but appear to be the same plant. 



34. C. Wrightii, Hk. ; st. 2-4 in. 1., strong, wiry, chesnut-brown, polished, 

 finely fibrillose below when young ; fr. 2-3 in. 1., 1-]^ in. br., ovate-lanceolate, 

 tripinnatitid ; pinnce in several opposite pairs, the lowest about 1 in. 1., \ in. br., 

 deltoid ; pnnnl. cut about halfway down into oblong-acute lobes ; texture sub- 

 coriaceous ; rachis like tlie stipe, both surfaces naked ; sori copious, the margin 

 of the fertile fronds much incurved. — Hk. Sp. 2. p. 87. t. 90. A. 



Hab. Gathered by Mr. Wright in 1849 in an expedition from Texas to New Mexico, 

 U. S. A. — In habit it comes very near the small forms of C, tenuifolia, but the involucres 

 are less confluent. 



85. C. tenuifolia, Swartz ; st. not tufted, 4-8 in. 1., wiry, flexuose, naked, dark 

 chesnut-brown, polished, slightly fibrillose towards the base ; fr. 4-8 in. 1., 

 8-4 in. br., deltoid, tripinnatifid ; pinnce in numerous opposite pairs, the lowest 

 2-4 in. 1., 1-2 in. br., deltoid ; jnnnl. on the lowest side the largest, the lowest 

 1 in. 1., cut down to the rachis into oblong entire or sinuato-pinnatifid segm.; 

 texture subcoriaceous ; rachis polished like the stipe, both surfaces green aud 

 naked ; sori roundish or subcontinuous ; invol. narrow, brownish, more or less 

 toothed.— Z?X% &p. 2. p. 82. t. 87- C. 



Hab. Himalayas (sub-tropical region), Madras, Ceylon, Malayan Peninsula and 

 Islands, S. E. China, Polynesian Islands, New Zealand, Australia, and southward to 

 Van Diemen's Land, and an undistinguishable plant gathered in Uruguay by Tweedie 

 and Gibert. 



§§§ Physapteris,P>-<;5?(j\Iyriopteris, Fee). Involucres confluent, ultimate segments 

 very smatl, beadlike. Sp. o6-48. 



36. C. Regnelliana, Mett. ; st. 2 in. 1., erect, wiry, dark chestnut-brown, 

 naked, polished ; fr. 2-3 in. 1., rather more than 1 in. br., ovate-lanceolate, 

 bipinnate ; pinnw numerous, close, spreading at right angles from the rachis, 

 with 8-10 small beadlike nearly sessile pinnl. on each side, which are hardly 

 more than \ lin. each way and rolled up like a ball ; rachis rigid, chestnut- 

 brown, glandular ; ?e^ii;-e coriaceous ; soi hidden. 



Hab. Brazil. — Our description is taken from Brazilian specimens gathered by Lind- 

 berg. 



37. C. induta, Kunze ; st. 3-6 in. 1., naked, polished, chestnut-brown, clothed 

 lliinly with linear-lanceolate scales when youug ; fr. 3-0 in. 1., 1^-2 in. br., 



