256 43. ASPIDIUM, ^ POLYSTICHUM. 



folium. Wall. ; more finely divided ; segms. copiously toothed, with lower lobes 

 distinct. — y, A. Hamiltonii, Spr. ; texture more coriaceous ; lower pinnl. 3-4 

 in. 1., with large ovate-deltoid slightly lobed segments. — Hk. Sp. 4. p. 27. 



Hab. Japan and Himalayas to Ceylon, Norfolk Island, Fiji, Samoa, N. S. Wales, and 

 Natal. — A. Cornu-Cervi, Don, is a deformed state of y, whicli differs from capense prin- 

 cipally by its aristate teeth, whilst tlie other varieties more resemble amabile and 

 frondosum. Dr. Thwaites assigns to /3 an erect caudex, and regards it as a good species. 

 Arachniodes aspidioides, Bl., is this, with tlie involucre fallen away. 



SB. A. (Polyst.) melanostictum, Kze. ; st. scal}^ below, G-12 in. ]., greyish ; fr, 

 18-24 in. 1., 1 ft. br. ; \owqv pinnce G-9 in. 1., 2-3 in. hr. ; pinnl. close, lanceolate, 

 1^ in. 1., \ in. br., regularly cut down to the rachis into close, linear-oblong 

 nearly entire slightly falcate segm.; texture herbaceous ; colour dark-green ; both 

 surfaces and rachis nearly naked ; sori 6-8 to a segm., placed in two rows filling 

 up nearly the whole space between midrib and edge ; invol. peltate, black in the 

 centre.— i?X-. Sp. 4. p. 34. t. 233. B. 



Hab. Mexico. 



39. A. (Polyst.) melanochlami/s, Fee; st. tufted, 6-12 in. 1., erect, densely 

 clothed, especially below, with dark-brown fibrillose scales ; fr. 18-24 in. 1., 

 9-12 in. br. ; pinnce subdistant, erecto-patent, lanceolate, the lower ones 4-6 in. 1., 

 1^-2 in. br. ; pinnl. distant, |-1 in. 1., \ in. br., cut down to the rachis into close, 

 olilong-falcate, entire lobes; texture herbaceous; colour dark-green ;, both 

 surfaces naked ; rachises fibrillose ; sori at the base of the lobes, principally in 

 the lower ones ; invol. peltate, black in the centre, the edge ciliated. — Hk. 8p, 4. 

 p. 35. t. 233. A. Lastrea, Moof^e. 



Hab. Cuba, Linden, 1865, Wright, 830. — This and the preceding have the habit of 

 Lastrea, but peltate involucres. 



40. A. (Polyst.) multifidum, Mett. ; st. scattered, 6-12 in. 1., densely clothed 

 with large, ovate, nearly black scales ; fr. 18-24 in. L, 6-9 in. br., ovate- 

 lanceolate ; pinnce close, spreading, the lower ones deflexed, 3-4 in. 1., |-1 in. 

 br. ; pinnl. subdeltoid, close, unequal-sided, with ovate or spathulate segm., the 

 lower ones deeply pinnatifid, teeth not awned ; texture subcoriaceous ; rachises 

 densely fibrillose ; sori small, scattered. — Hk. iSp. 4. p. 35. 



Hab. Chili, Leclder, 3060. 



41. A. (Polyst.) sikkimense. Baker; st. 12-18 in. 1., stout, striated, with 

 dark-brown ovate scales throughout; fr. 2-3 ft. 1., 12-15 in. br., subdeltoid; 

 pinnce close, lanceolate, spreading, the lowest 6-8 in. 1., 2 in. br. ; pinnl. close, 

 lanceolate, unequal-sided, cut down nearly to the rachis into oblong deeply 

 pinnatifid lobes with mucronate teeth ; texture herbaceous ; rachis slightly 

 scaly ; both sides naked ; sori usually one on the base of each ult. lobe. — Polyst. 

 Sikkimense, Beddome, F. Brit. hid. t. 127. Neph. Thomsoni, Hk. MSS. 



Hab. Mon-Lepcha, Nepaul, 10-11,000 ft.. Dr. Thomson. 



42. k. {?<AyiiL)foeniculaceu7n, Hk. ; rhizome creeping; 5«. scattered, 6-12 in. 

 1., densely clothed below with lanceolate reddish-brown scales ; fr. 1-2 ft. 1., 

 9-12 in. br., lanceolate-deltoid, 4-5-pinnatifid ; lower jowmoe 6-8 in. 1., 3-4 in. br. ; 

 pinnl. subdeltoid, 2-3 in. 1. ; segm. close, cut down to the rachis, their lower 

 divisions sometimes again pinnatifid ; ult. divisions linear, 1 lin. 1., awned ; 

 texture subcoriaceous; surfaces glossy; rachis nearly naked; sori solitary.— 

 Hk. Sp. 4. p. 3f;. t. 237. ' ^ 



Hab. Sikkim, 7-10,000 f t , Tlk.fil. and Thommi, 274, 



