242 



sand or sandy loam, and a few flowers will scent a whole apart- 

 ment." 



The twentieth species has narrow, flat, glass-like leaves, about a 

 foot lomr, of a lioht-green colour; between these arise the stalks 

 about six inches high, having two narrow leaves much longer than 

 ihe stalks: the flowers two or three, small: the petals have a broad 

 yellow line with purple stripes; the three lalls are of a light purple 

 colour striped with blue, and have a convex ridge running along 

 ihem: the others are of a reddish purple variegated with violet; they 

 have a scent like fresh plums. It is a native of Austria, flowering 

 in June. 



The twenty-first has a knobbed root, blackish on the outside, 

 whitish within, with long pale fibres: the stem round, very slightly 

 compressed, straight or a little flexuose, from two to three feet in 

 height, taller than the leaves: the flowers commonly two, on short 

 peduncles, each involved in its spathe; sometimes there are three; 

 they have no scent: the colour blue- purple; but under the stigmas 

 the reflex petals are more inclined to red: upright petals flat, and 

 usually quite entire. According to Miller, the flowers have light 

 blue standards, and purple variegated falls, having a broad white 

 line in the middle instead of the beard. It is a native of Germany, 

 &c. flowering in July. 



The twenty-second species has a higher stem, the scape a foot 

 hioh or more, dividing at top, three-flowered or many-flowered, 

 longer than the leaves; which are nerved and flat: the flowers blue, 

 in brown scariose spalhes: the inner petals are upright: the germ 

 trigonal, not grooved at the angles. It is a native of Siberia, &c. 

 flowering in j\lav and June. 



The twenty-third has a solid sub-bulbose root, surrounded by 

 whitish fibres, and throwing out other tubers: the stem upright, 

 roundish, two feet high, simple : the root-leaves acuminate, quite 

 entire, somewhat rigid, distich, flat, keeled at the base, above simple, 

 from upright spreading, few: the flowers few, coming out succes- 

 sively from the same spathe, yellow, without scent, peduncled : the 

 petals have a black shining glandular hole or pit, like that which is 



