1904.1 



OBSERVATIONS ON THE FLORA OF JAPAN 17 



212; Hook, et Baker Syn. Fil. p. 250; Clarke Rev. Fern. N. Ind. iu 

 Trans Linn. Hoc. 2nd. Ser. I. p. 506 ; Bar. et Christ in Nuov. Giorn. But. 

 Ital. N. Ser. IV. (1897) p. 10. 



Polystichum lachenense Bedd. Ferns Brit. Ind. tab. 32, et Handb. 

 Ferns Brit, Ind. p. 203 ; Diels in Engl, et Prantl. Nat. Pfl.-Eam. 1. 4, p. 

 191, et Fl. Centr.-Chin. in Engler's Bot. Jahrb. XXIX. p. 192. 



A small fern, attaining 18 cm. in height. Rhizome short, oblique, 

 densely covered with castaneous ovate acuminate sub-dentate scales. Stipe 

 erect, very densely tufted forming a compact mass with numerous old ones 

 which are accompanied by a few or several marcescent rachises free from 

 fallen pinna?, 2\- 5 cm. long, castaneous below, scaly. Frond longer than 

 the stipe, linear-lanceolate, simply pinnate, sub-coriaceous, 6-11 cm. long, 

 li-2 cm. wide; rachis slender, viridescent, apterous, disparsed with subulato- 

 linear pale-fulvous spinuloso-denticulate thin scales ; pinme numerous, patent, 

 rather distant, sessile, green, disparsedly scaly beneath, more or less reduced 

 in size in lower ones, deltoid-ovate, rather obtuse with a subspinulose point, 

 slightly oblique and rounded-subtruncate at the base, attaining 10 mm. 

 long, 7 mm. broad, crenato-serrate with sub-spinulose point but sub-pin- 

 natifid below, the lowest lobe pauci-serrulate with sub-spinulose points ; midrib 

 subflexuous ; veins erect-patent, furcate, lower ones pinnate with simple 

 venules. Sori dorsal, 2-serial, 1-12 to a pinna, situated in the midway 

 between the midrib and margin but slightly nearer the midrib ; indusium 

 thinly membranaceous, pale, peltate, irregularly crenulato-subdentate. 



Nom. Jap. Talcane-shida (Nov.) 



Hob. Prov. Shinano : Mt. Yatsugatake (H. Taheda ! July 27, 1903). 



Rare. New to the Flora of Japan. 



Disirib. Eastern Himalaya, and Central China. 



Cacalia palmata (Thunb.) Makino. 



Arnica palmata Thunb. Fl. Jap. (1784) p. 319; Willcl. Sp. PL III. 

 (1800) p. 2112; Pers. Syn. PI. II. (1807) p. 454; Spreng. Syst, Veg. III. 

 (1826) p. 567. 



Senecio palmatus Less. Syn. Gen. Comp. (1832) p. 392 ; DC. Prodr. 

 VI. p. 733 ; Palib. Consp. Fl. Kor. I. p. 118, non Pall, nee Lapeyr. 



Syneilesis palmata Maxim, in Mel. Biol. IX. p. 300 (1874). 



Senecio Syneilesis F ranch, et Sav. Enum. PI. Jap. I. (1875) p. 249 ; 

 Forbes et Hemsl. in Jonrn. Linn. Soc. XXIII. p. 449 ; Yatabe in Bot. 

 Mag., Tokyo, VII. p. 245, tab. 9 



