98. GESNERACER. 227 
Didymocarpus lanuginosa, JWall.; R. Br. in Benn. Pl. Jav. Rar. p. 119; 
DC. Prodr. ix. p. 268; Clarke, Comm. et Cyrt. Beng. t. 67; Hance in 
Journ. Linn. Soc. xii. p. 85, et in Journ. Bot. 1883, p. 165; Franchet, 
Pl. David. p. 227. 
CHIHLI: mountains near Peking (David ex Hance); HvrEn : 
Ichang on vertieal face of rocks, South Patung, and Nanto and 
mountaius to the northward (4. Henry!). Mus. Brit.; Herb. 
Kew. 
North India, from Simla to Khasia. 
2. Didissandra Mihieri, Franchet in Bull. Mens. Soc. Lian. 
Par. 1885, p. 450. 
Kwercuau (Perny ex Franchet). 
^ 8. Didissandra saxatilis, Hemsl., n. sp. 
Herba acaulis, longe ferrugineo-pilosis. Folia subrosulata, 
longissime petiolata, crassiuscula, ovato-oblonga, absque petiolo 
usque ad 4 poll. longa, sed sepius circiter bipollicaria et interdum 
minora, grosse serrato-crenata, interdum duplicato-serrata, basi 
late rotundata ; petiolus gracilis, usque ad 5 poll. longus. Scapi 
plures, 1—5-flori, graciles, folia equantes vel superantes. Flores 
flavi (teste Zenry) graciliter pedicellati, suberecti, circiter polli- 
cares; calyx pilosus, subinequaliter alte 5-fidus, 21-3 lineas 
longus, lobis ovatis obtusis; corolla extus plus minusve pilosula, 
intus papillosa, anguste subcylindrica, bilabiata, labio superiore 
integro oblongo rotundato, labio inferiore trilobato, lobis later- 
alibus rotundatis, lobo intermedio minore bifido; stamina 4, 
inclusa,supra medium tubi affixa, filamentis leviter dilatatis glabris, 
antheris per paria connatis; ovarium albo-tomentosum, stylo 
brevissimo antheras vix attingens. Capsula circiter sequipolli- 
caris (1-2 poll. longa), clavata, glabrescens, loculicide dehiscens ; 
semina minuta. 
Hurren: Patung, Kuei, and Fang, on vertical cliffs (A. 
Henry!) ; SZECHUEN : South Wushan, on dry rocks (4. Henry !). 
Herb. Kew. 
/ Var.? microcalyx, Hemsl.; gracilior, foliis minoribus ovalibus 
regulariter alte crenatis, calyce minimo, corolla ignota, capsula 
graciliore glabra. 
SZECHUEN : South Wushan (A. Henry!). Herb. Kew. 
Except in the particulars indicated, this is so like D. saxatilis, 
Hemsl., that we think it must be a variety of the same. 
