ASPLENIACEAE 



95 



H. Ito, non Tagawa Okutama-shida. Intermediate be- 

 tween the preceding and No. 16 but differing in the bipinnate 

 blades; rhizomes short-ereeping to ascending, with many 

 stipes, the scales linear-lanceolate, 4-6 mm. long, long-acumi- 

 nate, entire, dark brown; stipes 5-15 cm. long, 1.5-2 mm. 

 across, green, slighdy flattened, sulcate on upper side, often dull 

 purplish beneath, sparsely scaly, the scales spreading, deciduous, 

 broadly linear, 2-3 mm. long; blades broadly lanceolate, 10-20 

 cm. long, 3.5-7 cm. wide, acuminate, bipinnate; pinnae 10-15 

 pairs, deltoid-ovate, 2-5 cm. long, 1.5-2.5 cm. wide, acute to 

 acuminate with an obtuse tip, obliquely spreading, the petio- 

 lules 2-7 mm. long; pinnules firmly herbaceous, 5-15 mm. 

 long, 2-5 mm. wide, cuneate at base, sessile, ascending, unlobed 

 or slighdy incised, entire except for a few obtuse teeth at the 

 subtruncate tip, the costules and veins slender, nearly parallel; 



sori few on a pinnule; indusia 2-6 mm. long, straight. 



Honshu (Musashi, Suruga, Hida, Tanba Prov.) ; rare. 



16. Asplenium yoshinagae Makino. Tarachia yoshina- 

 gae (Makino) H. Ito; A. hciniatum forma viviparum Wu; A. 



planicaide var. yoshinagae (Makino) Tagawa Tokiwa- 



SHIDA. Rhizomes short-ascending to suberect, rather stout, 

 densely scaly, the scales dark brown, broadly linear, 4-6 mm. 

 long, about 0.5 mm. wide, with a long-filiform tip, entire; 

 stipes more or less flattened, green, often dull purplish on 

 lower side, sulcate on upper side, 5-15 cm. long, 1-1.5 mm. 

 wide, very sparsely scaly, the scales linear, 1-2.5 mm. long, 

 spreading; blades linear to broadly lanceolate, 10-30 cm. long, 

 3-5 cm. wide, acuminate, the rachis nearly glabrous, gem- 

 mate; pinnae 10-20 pairs, spreading, oblique, oblong-ovate, 

 15-40 mm. long, 7-10 mm. wide, obtuse or somewhat elon- 

 gate and acute, obliquely cuneate at base, the posterior side 

 entire on lower half, irregularly 2- to few-lobed, truncate and 

 obtusely toothed at the tip, the petiolules 3-5 mm. long; sori 

 along the costas, few to a pinna, linear; indusia 3-7 mm. long, 



straight, narrow. Honshu (Kanto through Tokaido to 



Kinki Distr.), Shikoku, Kyushu. s. China to the Hima- 

 layas. 



17. Asplenium varians Hook. & Grev. A. capillipes 

 Makino; A. varians var. sa\uraii Rosenst.; Gymnogramma 

 jatiriei Christ; Anogramme fauriei (Christ) C. Chr.; Asple- 

 nium subvarians Ching; A. siobarense Koidz.; A. varians 

 forma obttisilobum Miyabe & Kudo Iwa-tora-no-o. Rhi- 

 zomes short, the scales membranous, deltoid-lanceolate, 1 mm. 

 long, long-acuminate, entire, dark brown; stipes pale green, 

 subcapillary to very slender, 1-10 cm. long, brownish at base, 

 with minute hairlike scales while young; blades membra- 

 nous, oblong-ovate to narrowly oblong, 2-10(-15) cm. long, 

 l-3(-4) cm. wide, bipinnate, the smaller ones bipinnatiparted, 

 obtuse to acuminate; pinnae 3-8 pairs, obliquely spreading, 

 ovate to rhombic-ovate, the smaller ones rhombic-orbicular, 

 usually short-petiolulate, pinnate to subternate, the ultimate 

 ternate, 4-20(-30) mm. long, obtuse; pinnules membranous, 

 few, obovate or rhombic-ovate, 3-5 mm. long, 3-4 mm. 

 wide, with coarse 1-veined teeth or lobes; sori ascending, 

 few on a pinnule; indusia thinly membranous, oblong to 



linear, 1-3 mm. long, white. Hokkaido (Kamuikotan, fide 



Miyabe & Kudo), Honshu, Shikoku, Kyushu. China to 



India. 



18. Asplenium ruta-muraria L. Acrostic/mm riita-mu- 

 raria (L.) Lam.; Amesium ruta-muraria (L.) Newm.; Ta- 

 rachia ruta-muraria (L.) Presl Ich5-shida. Rhizomes 



short, densely clothed with the basal remains of old stipes, the 

 attenuate; fronds 3-10 cm. long, tufted; stipes 2-6 cm. long, 



pale green on upper part, brown at base, with capitate glands 

 and deciduous linear scales; blades ovate to deltoid-ovate, 

 obtuse, 1.5-4 cm. long, 1.3-2.5 cm. wide, bipinnatifid to 

 bipinnate, the rachis sulcate on upper side; pinnae 1-3 pairs, 

 alternate, the lowest largest, petiolulate, 2- or 3-parted or pin- 

 nate; pinnules coriaceous, 3-5, flabellate to rhombic-orbicular, 

 or cuneate-obovate, 3-6 mm. long, nearly as wide, rounded to 

 very obtuse, broadly cuneate and entire on lower half, mi- 

 nutely toothed on upper half, flat on both sides; veins palmate, 

 concealed, parallel; sori few on the center near base of pin- 

 nules, parallel, linear, confluent; indusia 2-3 mm. long. 



Calcareous rocks; Honshu, Shikoku, Kyushu. Formosa to 



the Himalayas, n. Asia to Europe, and N. America. 

 19. Asplenium wrightii Eaton. A. wrightii var. fauriei 



Christ; A. centrochinense Christ; A. tvrightioides Christ 



Kuruma-shida. Rhizomes stout, ascending, clothed with 

 the basal remains of old stipes; stipes 20-40 cm. long, pale 

 green to slighdy purplish, sulcate on upper side, scaly, about 



4 mm. across near base, the scales narrowly lanceolate, 5-7 

 mm. long, 1-1.2 mm. wide near base, brown, sparsely cihate; 

 blades broadly lanceolate, 30-50 cm. long, 15-25 cm. wide, 

 simply pinnate, nearly naked, contracted in upper portion, 

 short-acuminate; pinnae 13-20 pairs, herbaceous, obliquely 

 spreading, short-petiolulate, linear-lanceolate, 10-17 cm. long, 

 1-2 (-2.5) cm. wide, falcate, long-caudate, obliquely cuneate 

 and entire at base, simply to doubly acute- or mucronate- 

 toothed, unlobed or sometimes pinnately parted, glabrous; 

 costas rather slender, raised on upper side, the veins ascend- 

 ing, rather remote, usually once to thrice forked; sori mostly 

 in 2 series on the pinnae, ascending, very slightiy curved, 

 linear, nearer the costa than the margin, or nearly median; 

 indusia (3-)6-12(-15) mm. long, 1-1.2 mm. wide. Hon- 

 shu (Izu Prov. through Tokaido to Kinki and Chugoku 

 Distr.), Shikoku, Kyushu. Ryukyus, Formosa, and China. 



Var. shikokianum (Makino) Makino. A. shik.o\ianum 



Makino Hayama-shida. Pinnae deltoid-lanceolate to 



linear-lanceolate, petiolulate, pinnately dissected, with a rather 

 prominendy winged rachis; pinnules ovate, cuneate at base; 



veins pinnately branched. Honshu (Totomi, Kii, and Ise 



Prov.), Shikoku (Tosa Prov.), Kyushu (Hyuga Prov.). 



China and Formosa. 



20. Asplenium griEBthianum Hook. A. na\anoanum 



Makino Fusa-saji-ran. Rhizomes short-creeping, 3-5 



mm. across, the scales rather dense, narrowly lanceolate, about 



5 mm. long, acuminate, dark brown; blades thickly herbaceous, 

 simple, narrowly oblanceolate, 15-23 cm. long, 1.5-2 cm. wide, 

 acuminate with a short obtuse entire tip, gradually narrowed 

 at base to the short winged stipe, crenate-toothed on upper 

 half, deep green and glabrous on upper side, paler beneath, 

 with minute appressed lobed scales sometimes with a black- 

 brown short apical tail; costas slightiy raised on both sides, 

 whitish and slender on upper side, broader beneath, the 

 scales broadly linear, dark brown, about 3 mm. long, long- 

 veins obliquely spreading, slender, scarcely visible, simple or 

 forked, ending short of the slightiy cartilaginous hyaline mar- 

 gin; sori linear, obliquely spreading, straight, parallel, between 



the margin and the costa; indusia 4-8 mm. long, entire. 



Kyushu (Yakushima). Formosa, China to India. 



21. Asplenium ensiforme Wall. e.x Hook. & Grev. A. 



bicuspe Hayata, in syn.; Diplazium bicuspe Hayata HoKo- 



GATA-SHiDA. Fronds tufted, 20-30 cm. long; scales on rhi- 

 zomes and basal part of stipes lanceolate, 4-5 mm. long, dark 

 brown; blades herbaceous-coriaceous, linear-oblanceolate. 



