642 Lxn. BBGONUCEiE. (C. B. Clarke.) \Begonia. 



B. Segments of female flower 3, with sometimes a small fourth; two outer 

 large, third small lateral. (Triloharia, A. DC.) 



19. B. amoena, WaU. C<d. 3682; leayes ovate or oblong caudate- 

 acuminate equally cordate, capsule-wings nearly equal, seeds slender cylindrie, 

 tip curved acute. A. DC. Frodr. rv. pt; i. 327. B. tenella, Don I^odr. 223 j 

 Wall. Cat. 3681. B. erosa, Watt. Cat. 3688, partly. 



Temperate Central and Western Hhuiaya ; alt. 5000-7000 ft. from DAi.HoirsiE to 

 SiKKiu ; among the commonest species at Simla. 



Bhisome tuberous. Stem, nsneJly or very short, in Wallich's specimen nearly! ft. 

 leaves 3 by 2 in., glabrous, erenate-serrate ; petiole 2-3 in. ; stipules ovate, glabrous. 

 SearpeS-i in., glabrons, loosely dichotomons, few-flowered; bracts ovate-oblong, cadu- 

 cous ; flowers mediom-sized, Mat.k : sepals 2, ovate ; petals 2, elliptic, smaller; sta- 

 mens numerous, shortly monadelphous ; anthers obovoid, connective not produced. 

 Feuale : perianth-segments 2, large, ovate, opposite, and one smaller lateral, all 

 enlarged and persistent on the fruit ; styles 3, nearly separate, divided near the top 

 into two curved branches. Capsule f by nearly f iu. including the wings, styles 

 persistent, upper margins of wings horizontal, dehiscing on all the faces. Seeds 

 smooth, reticulated; far more elongate than those of any other Indian species. 



20. B. scntata, Watt. Cat. ^SG,parthi ; leaves ovate cordate-acuminate 

 often unequal at the base, capsule-wings unequal, larger one much ascending. 



A. DC. Prodr. rv. pt. i. 328; ? Kurz in Joum. As. Soc. 1877, pt. ii. 108. 



B, rubella, WaU. Cat. 3687. 



NiPAi,; WaUich. East Nipal, alt. 4000 ft.; J. D. H. Sikkim, alt. 4000 ft.; 

 C.B.Clarke. ?Btjbma, JE«r«. 



Nearly glabrous. BooUtock tuberous. Stem in fruit often leafless, scape-like. 

 Iicaves 2-6 in., sinuate-toothed or slightly angular not serrate, glabrous or minutely 

 pubescent on the nerves beneath ; petiole very long, of the radical leaves often 6 in. ; 

 stipules ovate-lanceolate, deciduous. Scape or stem reaching 9 in., laxly dichotomons 

 upwards; bracts oblong, acute, caducous ; flowers meditun-sized, many or few. Matt; - 

 sepals 2, round ; petali 2, narrower ; stamens numerous, shortly monadelphous ; an- 

 thers obovoid, connective not produced. Femai,b: perianth-segments 3,2 larger 

 round opposite, the third smaller lateral, all deciduous ; styles 3, nearly distinct, 

 divided about half-way up into two curved branches. Capsule nearly | by J in. in- 

 jcluding the wings; styles persistent ; upper margin of the wings concave, dehiscing 

 by all three faces. Seeds short-ellipsoid. 



21. B. ovatlfolla, A. DC. Prodr. xv. pt. i. 328 ; stem short or 0, leaves 

 ovate sometimes acute more or less serrate equal or scarcely unequal at the base, 

 capsule-wings unequal the larger slightly ascending. B. subovata, WaU. Cat. 

 3683. 



Sikkim, alt. 4000 ft. ; J. D. K ; alt. 1000 ft. ; C. B. CUurla, Br. Treutler. Khasia 

 Mts., alt. 4000 ft ; E. f. ^ T. 



Bootstock of several tubers ; whole plant rarely exceeding 6 in. Cauline leaf 1 or 

 0. Leaves 1-2^ in. diam., roundish or ovate, cordate or scarcely rounded at the base, 

 pubescent on the nerves beneath ; petiole 1-4 in., pilose above, usually pubescent 

 towards its summit ; stipules very small, lanceolate. PedancUs lax, succulent, 

 glabrous or slightly pubescent, 4-8-flowered ; bracts oblong or lanceolate ; flowers 

 rather small, white or rose. Maim: sepals 2, obovate; petals 2, narrow-obovate ; 

 stamens about 20, shortly monadelphous, anthers obovoid, connective not produced. 

 Female : perianth-segments 3, 2 obovate subequal, 1 lateral much smaller, deciduous; 

 styles 3, nearly distinct, divided half-way up into two curved branches. Capsule 

 J by 1 in. including the wings, styles persistent, upper margin of longer wing 

 straight or convex upwards, capsule dehiscing on aU three faces. Se^ short- 

 ellipsoid. 



