MATERIALS FOR A FLORA OF FORMOSA. 203 
Swertia LInn. 
Swertia arisanensis Hayara n. n. 
Swertia alata Hayata Fl. Mont. Formos. p. 168, (non 
- Royte.). 
As the name Swertia alata had been used for a Himalayan 
plant, another name S. arisanensis is very desirable for the one 
from J*ormosa. 
Swertia randaiensis Hayara sp. nov. Herba altiora, caulibus 
gilabris tetragonis subalatis, (alis angustissimis 1 mm. latis,) fla- 
bescentibus ramosis, ramis oppositis gracilibus, divaricatis. Folia 
opposita, sessilia, 7-nervia lanceolata, 37 mm. longa, 6 mm. lata, 
apice acuminata utraque pagine glabra. Flores racemoso-panicu- 
lati, vel racemosi, racemis axillaribus vel terminalibus, foliatis, 
pedicellatis, pedicellis 1 cm. longis, bracteis lanceolato-ovatis 8 mm. 
longis. Calyx 5-partitus, segmentis lanceolatis acutis 4 mm. longis 
1 mm. latis, 1-nerviis. Corolla rotata 4$ mm. longa, tubo $ mm. 
longo, limbo 5-lobato, lobis oblongis acuminatis 44 mm. longis 
2 mm. latis, 5-nerviis, prope basin glanduloso-maculatis, maculis 2, 
margine macularum longe ciliolatis, fauce tubi pilis brevibus, 
pagine loborum intus sub microscopio minute glanduloso-punctatis, 
dextrorsum obtegentibus. Stamina 5, fauce tubi corolle affixa, 
filamentis 24 mm. longis campanulatis, antheris 3 mm. longis ovatis 
apiculatis. Ovarium_ sessile, oblongo-ovatum, 3 mm. longum, 
14 mm. latum, acuminatum, stigmate sessili, 2-fido, capituliformi. 
7 Has. Randaizan, leg. B. Hayara et U. Mort, Aug. 1908, (No. 
7114); Ganzan, in montibus Morrison, ad 9141 ped. alt., leg. 
S. Nagasawa, Oct. 1905, (No. 642). 
