﻿Observations on the Flora of Japan. 



{Continued from p. 12.) 



By 

 T. Makino. 



Astragalus (Ph'aca, Hemiphaca ?) shiroumaensis Makino sp. nov. 



Perennial, attaining about 3 decim. in height. Stem erect, slender, 

 terete, thinly adpressedly nigro- pubescent. Leaves loosely placed, alternate, 

 patent or erect-patent, petiolate, odd-pinnate, 4-9 cm. long including the 

 petiole, about 2^-3^ cm. broad ; leaflets usually opposite, 5-8-jugate, all 

 (odd and lateral ones) very shortly petiolulate, angustato-oblong to oblong- 

 lanceolate, emarginate, obtuse or acute at the base, entire and thinly cilia- 

 ted, membranaceous, glabrous above, very thinly adpressed-pubescent with 

 pale hairs beneath, about 10-20 mm. long, 5-8 mm. wide, lateral ones 

 patent ; midrib slightly prominent beneath in recent ; veins about 6-8 on 

 each side, erect-patent, with fine veinlets ; petiolule adpressedly nigro-pubes- 

 cent ; rachis slender, furrowed in front, thinly adpressedly nigro-pubescent 

 as is the petiole; petiole 2-27 mm. long; stipules free, erect or spreading, 

 lato-ovate, ovate, elliptical, ovato-oblong, lanceolate, or linear-subulate, ob- 

 tuse, ascendingly nigro-pubescent towards the margin, membranaceous, loosely 

 nerved, viridescent, shorter than the petiole, about 4-8 mm. long. Pedun- 

 cle in the axil of the upper leaves, solitary to an axil, a few to a stem, erect 

 or ascending, longer than leaves, slender, adpressedly nigro-pubescent (hairs 

 thinner below), about 5-11 cm. long. Raceme short or very short, approxi- 

 mately 7-15-fLowered ; rachis straight, adpressedly nigro-pubescent, about 

 7-20 mm. long ; bracts linear-subulate to oblong-lanceolate, obtuse, erect- 

 patent, membranaceous, adpressedly nigro-pubescent and ascendingly ciliated, 

 1-nerved, about 1^-2J mm. long ; bracteoles none. Flowers rather small, 

 about 12 mm. long, shortly pedicellate, horizontally placed ; pedicel erect- 

 patent, curved or straight, adpressedly nigro-pubescent, about L| mm. long. 

 Calyx short, campanulate, about 5 mm. long, adpressedly nigro-pubescent, 

 membranaceous, delicately 5-nerved and with accessory ones between veins, 

 oblique in the month, shortly 5-lobate ; lobes minute, erect or erect-patent, 

 adpressedly nigro-pubescent, the lower one scarcely shorter and narrower, 



