100 
SPECIES N0V2E PI ANT ARUM IN SERB ARID 
masculino sepala 2, suborbicularia, 2 mm. longa ; petala 2, lineari- 
oblonga, 2mm. longa ; floris feminei perianthii segmenta 4, subaequalia, 
lineari-oblonga, plus minusve 2 mm. longa. Stamina 9-10, monadelpha, 
1 mm. longa, antheris oblongis 7-8 mm. longis. Stigmata 3 , breviter 
bifida. Capsula triquetra, cum alis 5 mm. lata, 3 mm. longa, 2-locularis ; 
alae marginibus descendentibus, duae 2 mm. latae, terfcia minor, 1 mm* 
tamen excedens. Semina immatura, breviter ellipsoidea. 
Burma : — Keng Tung, S. Shan States, at an elevation of 3,000 ft. 
Macgregor , 553 in Herb. Calc. Flowers in July. It is very closely 
allied to Begonia verticillata , and resembles small forms of that plant. 
Pyrus kachinensis, W. W. Sm. Sp. nov. 
Species affinis Pyro cuspidatae, Bertol. sed foliis oblongis nec ovatis, 
vix acuminatis, nitentibus, petiolis brevioribus, petalis glabris, stylis 
tribus inter alia differt. 
Arbor ; altitudo non nota ; ramuli graciles teretes rubelli, hinc inde 
lenticellis eloDgatis notati, tomento albido detersili primo praediti, deinde 
glabrescentes. Folia petiolo circ. 1 cm. longo plus minusve tomentoso 
praedita ; 10-13 cm. longa, 3-5 cm. lata, subcoriacea, ambitu oblonga, 
basi late cuneata aequalia vel inaequalia, apice acuta vel subacuta neo 
acuminata, crebre et regulariter serratulata, supra nitentia nervis 
immersis infra pallidiora nervis paulo eminentibus, 6-8 paribus, nervulis 
bene reticulatis distinctis. Inflorescentiae amplae, corymboso-panieulatae, 
6-8 cm. latae, folio-oppositae, ramulos terminantes ; pedunculi 4-7-nati, 
2-3 cm. longi, pedicelli circ. 1 cm. longi, omnes plus minus albido-villosi. 
Calyx campanulatus circ. 2 mm. longus in lobos subobtusos ad tertiam 
partem divisus, sparse albido-viilosus. Petala circ. 3 mm. longa, late 
obovata, vix unguiculata. Stamina 20-25 petalis breviora. Ovarium 
immaturum triloculare villosum stylis tribus coronatum. 
Burma : — In the Kachin Hills, Upper Burma, Shaik Mokim in 
Herb. Calc. (1898 anno.). 
Pleurosperniuin doclienense, W. W. Sm. Sp. nov. 
Species affinis Pleurosermo Hookeri, C. B. Clarke ; bracteis praelongis 
bipinnatis, pedicelli s complanatis margine fimbriatis inter alia conspicua. 
Planta erecta 30-40 cm. alta, valde robusta. Radix crassa, foliorum 
delapsorum vaginarum reliquiis apice obsita. Caulis circ. 7 mm. diametro, 
striatus, glaber. Folia radicalia 1-2, caulina 2-3, subsimilia ; petiolus ad 
15 cm. longus vagina mediocri vel parva praeditus ; lamina ambitu ad 
12 cm. longa, ad 10 cm. lata, bipinnata, pinnulis alte lobatis vel- 
pinnatifidis, segmentis ultimis oblongis 1 -3-apiculato— lobulati-, 
coriacea, glabra, venulis infra eminentibus. Injlorescentia ampla; 
bracteae 2-5, foliis subsimiles, 4-10 cm. longae, petiolo nonnunquam 6 cm. 
longo, lamina bipinnata; radii priraarii 12-15, robusti, ad 12 cm. longi, 
