leguminosj:- r. i pilionack /•:. 233 



with it ; keel obovate or linear, with obtuse elongated beak, much 

 twisted spirally. Stamens 10, 2-adelphous (9-1) ; vexillary stamen 

 usually geniculate and thickened or appendiculate above base ; 

 anthers uniform introrse rimose. Germen sessile or shortly stipitate, 

 cc-ovulate; ovules descending subcampylotropous ; micropyle ex- 

 trorse superior ; style rather thickened, included by and twisted 

 with beak of keel, usually bearded above at apex ; summit unequally 

 dilated, stigmatiferous, pulpy ; head oblique, often compressed on 

 both sides, or introrse lateral. Legume linear or falcate, compressed 

 or subterete, thickly stuffed between seeds, 2-valved. Seeds oblong 

 or reniform, attached by their middle ; funicle very short ; hilum 

 minute, elliptical or shortly linear, exarillate ; embryo thick ; radicle 

 inrlexed accumbent. — Herbs, sometimes woody at base, prostrate, 

 short erect, or twining ; leaves alternate petiolate, pinnate 3-foliolate, 

 very rarely 1-foliol ate ; leaflets articulated at base, stipellate; stipules 

 persistent striated ; racemes solitary or several together, axillary or 

 subaxillary ; flowers solitary or oftener fascicled, few in axil of each 

 bract ; raches of fascicles node-like ; racemes solitary or several 

 together, axillary or subaxillary ; bracts usually small caducous ; 

 bractlets often larger and persistent for a longer time {All hotter 

 regions). See p. 197. 



8. Minkelersia Mart. & Gal. 1 — Flowers almost those of P/ia- 

 seolus, much elongated ; calyx-lobes 5, oblong, nearly equal. Corolla 

 narrow. Germen sessile co-ovulate ; style elongated thickened, 

 contained by and twisted with beak of keel, longitudinally bearded 

 above and within ; stigma large, oblique or introrse lateral. Legume 

 elongated linear flat 2-valved. Seeds rounded. — A creeping herb ; 

 leaves of Phaseolus ; flowers 2 axillary ; peduncles 1-2-flowered, are 

 reticulated and bearing 2 stipuliform, or 3, 4 persistent bracts below 

 apex (Mexico*). See p. 198. 



9. Physostigma Balf. 4 — Flowers of Phaseolus ; teeth of calyx 

 short obtuse imbricated; 2 superior connate to a considerable height. 

 Corolla much arched in bud ; standard ovate-orbicular recurved, 



1 In Bull. Ac, I. Jlri'x., x. p. ii. 200.— 13. H., Joe. clt— WAXP., Rep., v. 529.—" Almost to be 



Gen., 539, n. 222. considered a section oi Phas s" (Bi nth.). 



'-' Purple-violet. 4 In Tram. Roy. Soc. Edinb., xxii. 310, t. 



;i Spucies 1. /!/. galactioides Majjt. & Gal., 10, 17. — B. II.. Gen., 538, n. 220. 



