508 
Vincetoxicum speciosum, Boiss. et Spr 
Hills between Turica and Gumus ae ‘dull purple-black 
flowers, 5-6-17, Turrill, 375. 
Distr. Greece, Mt. ‘Athos, Bithynia. 
Marsdenia erecta, Xk. Br. 
Struma Plain and Krusa Balkan, in flower, 6-18, Harris, 336; 
hills west by south of Kopriva, in bud, 15-5-17, Turrill, 244; 
hills between Turica and Gumus Dere, in full flower, 25-5-17, 
Turrill, 322. 
Distr. Balkans, Orient. 
Balkans: Greece, Maced., Alb., Bulg., Thra 
A low, much-branched shrub, with opposite fares and dense 
masses of white flowers. It has a very fine effect when in full 
bloom and then emits a fairly strong smell not unlike that of 
elder. 
- specimen named Vincetovicum cordatum, Adamoy., in 
Kew, is Marsdenia erecta, R. Br., as is also the plant 
eeardad from Cyprus as Vincetoxicum officinale by Thompson. 
GENTIANACEAE. 
Erythraea Centaurium, Pers. 
Struma Plain and Krusa Balkan, in me 5-18, Harris, 169, 
209; Paprat District, Krusa Balkan n flower, 6-18, Russell, 
78; ‘hills between Turica and Gumus Dane deep pink flowers, 
T urrill, 377; south of Karamudli, pink flowers, 15-7-17, 
494. 
Distr. Fur Afr., Orient 
Balkans: Salis Maced., Serb., Bulg., Thrace. 
CONVOLVULACEAE. 
Calystegia Sepium, R. Br. 
Paprat District, Krusa Balkan, in flower, ee 18, Russell, 74. 
Distr. Eur., Orient, Shoes Asia, N. Am 
Balkans: Gener 
Convolvulus Cantabrica, L. 
Struma Plain and Krusa Balkan, 4 & 5- a ere 28. 
Distr. Cent. and S. Eur., N. Afr., Orien 
Balkans: General. 
Convolvulus arvensis, 
L. 
ice ae a Plain and Kreis Balkan, in flower, 4 & 5-18, Harris, 
‘Distr. Most temperate and warm countries. 
Ikans: General. 
Convolvulus arvensis, ZL. var. linearifolius, Chovs. (Con- 
volvulus acetoselloides, Adamov. in Herb. vats ® 
Paprat District, Krusa Balkan, in flower, 6- 18, Russell, 58; 
"Di — pink-white flowers, 24-7-17, ‘Turvill, 536. 
etc., to 3 ft. Vv. climbing up the bracken, 
