SPECIES NOV/E PLANTARUM IN HERBARIO HORTI. 
REG. CALCUTT. COGN1TARUM. 
Auctore 
W . W. Smith. 
Elms amlierstensis, W. W. Sm. Sp. nov. 
Species birmanica affinis B . Wallichii Hook. f. et i2. insignis , 
Hook. f. 
Arbor. Folia imparipinnata, 40-50 cm. longa ; petiolus 10-15 cm. 
longus, striatulus, sparse fulvo-villosus ; foliola 9, petiolulo 3-5 mm. 
longo praedita, 10-15 cm. longa, 5-7 cm. lata, elliptica vel ovato-elliptica, 
basi rotundata, apice abrupte acuminata, integra, coriacea, supra glabra 
nervis 12-24 paribus distinctis, infra sparse fulvo-villosa nervis 
eminentibus, reticulationibus utraque facie plus minusve conspicuis. 
Panicula axillaris, ampla, circ. 24 cm. longa, plus minusve dense 
villosula ; ramuli 4-5 cm. longi, densiflori ; flores circ. 2 mm. diametro. 
Sepala plerumque 5, vix *5 mm. longa, ovata, obtuea, albido-marginata. 
Fetala vix 1 mm. superantia, oblonga, obtusa, albida (?), linea medians! 
nigra pererrata. Stamina petalis paulo breviora, filamentis antheras 
aequantibus. Ovarium maturum abest. 
Burma : — On the Ta-ok plateau, Dawna Range, Amherst District, 
at an elevation of 3,500 ft. Lace 4765 in Herb. Calc. Collected in 
flower 22nd March 1909. 
This species is closely allied to the two Himalayan species mentioned 
above but I have failed to match it in the material at Kew and Calcutta. 
Begonia Macgregorii, W. W. Sm. Sp. nov. 
Species Begoniae verticillatae , Hook, valde affinis sed minor ; foliis 
triangulari-ovatis, bracteis eglandulosis, capsulis subaequalitar tri-alatis, 
marginibus descendentibus inter alia distinguenda. 
Planta annua parva gracillima suberecta radice^ debili. Caulis 
3-5 cm. longus, ‘5 mm. diametiens, fiexuosus, glaber, basi unifoliatus vel 
nudns, apice 2-4 foliis verticillatis instructus. Folia 3-5 mm. petiolata, 
triangulari-ovata, obtusa, basi vix inaequalia truncata, plerumque 
2-3 cm. longa, 2-3 cm. lata, grosse crenata, glabra, membranacea. 
Pedunculi 1-3 terminates, gracillimi, capillacei folia duplo excedentes, in 
ramulos paucos dichotome divisi. Bracteae minutae, vix *5 mm, longae, 
ovatae, eglandulosae, subpersistentes. Flores parvi 2-3, albi. In flore 
99 
