Asclepiadaceae Philippinenses. 543 
The genus should be placed next to Telosma. Remarkable are for 
a plant of this and the Marsdenia-affinity the pollinia with the rather 
long and very slender translatores and the extremely small retinacle. 
11. Clemensia Mariae Schltr., spec. nov. 
Volubilis, alte scadens; ramis ramulisque elongatis, filiformibus, 
flexuosis, glabris, laxe foliatis; foliis petiolatis, patulis, ovalibus, acuminatis, 
basi rotundatis, utrinque glabris, textura tenuiter coriaceis, 6,5—11 cm 
longis, medio 3,2-6 cm latis, petiolo 1,5—2 cm longo; inflorescentiis 
extraaxillaribus, glabris, pedunculo 2—4,5 cm longo glabro, pedicellis c. 
5 mm longis; calycis foliolis suborbicularibus, margine minute ciliolatis, 
2,5 mm longis; corolla c. 6 mm longa, utrinque glabra lobis ovato-trian- 
gulis, obtusis, patentibus, gynostegio generis; coronae foliolis quam an- 
thera duplo latioribus et duplo longioribus; follieulis fusiformibus obtusis, 
superne leviter bicostatis, glabris, maturis c. 6 cm longis, 8—10 mm 
diametientibus. 
: Mindanao: Camp Keithley, Lake Lanao, Mrs. Mary Strong Clemens, 
no. 512 (typus), flowering in April 1906; no. „A“, 345, fruiting in June 
to Oktober 1906. 
Luzon: San Antonio, Province of Laguna, M. Ramos, no. 16592 
flowering and fruiting Sept.-Oct. 1912. 
Leyte: Dagami, M. Ramos, no. 15307, flowering in August 1912. 
According to Mr. Ramos the colour of the flowers is pinkinsh- 
yellow or orange-yellow. 
The genus and the species are dedicated to Mrs. Mary Strong 
Clemens, who has augmented our knowledge of the Philippine-Flora 
considerably. 
Petalonema Schltr. gen. nov. 
Amongst the Cynanchum-like Asclepiads of Mr. Merills collection. I 
found a plant which at first sight, I had regarded as a true Cynanchum- 
species, but which after dissecting proved to be the type of a very 
interesting new genus, so tally differing from Cynanchum and belonging 
to quite another affinity. 
Calyx alte 5 partitus, foliolis oblongis, obtusis, corolla plus duplo 
brevioribus. Coralla subrostata alte 5-fida, lobis oblongis obtusis. Coronae 
foliola calyci opposita tubo corollae infra ostium adnata triangularia ob- 
tuso concavula marginibus leviter incrassatis, alte adnata. Gynostegium 
humile, filamentis in tubum late cylindraceum connatis, antheris late 
quadratis, appendice hyalina rotundata apice incurva. Pollinia dependentia, 
oblique pyriformia, translatoribus gracilibus bene longis retinaculo amplo 
oblongoideo polliniis aequilongo basi affixa. Stigmatis caput depresso- 
conicum humile. 
Planta volubilis habitu omnino Cynanchi; foliis patulis lanceolatis, 
petiolatis; cymis umbelliformibus, dense plurifloris, extra axillaribus; 
floribus illis C. Loheri Schltr. fere aequimagnis. 
