524 Prof. Dow's Descriptions of Indian Gentianee. 
Gen. VII. OPHELIA. 
Swertiz sp. Ham., Wall. 
Calyx 4—5-partitus. Corolla rotata, 4—-5-partita. Glandule nectarifere ad 
laciniarum basin 2, omninó nude! Stigma bilobum. Capsula membra- 
nacea, 1-locularis, apice dehiscens. Semina marginalia, minuta, angulata, 
scrobiculata. 
Herbae (Indiz orient.) annue, ramosc, floribus paniculatis plerumque luteis 
v. albis. 
This is a very natural genus essentially distinguished from the preceding by 
the naked glands at the base of the petals. The species agree with Agathotes 
in their medicinal properties, and afford several kinds of Cherayita. 
* Glandulce nectarifere 2 conferruminate. 
1, O. angustifolia, floribus 4-fidis, foliis petiolatis lineari-lanceolatis acutis, 
segmentis calycinis linearibus mucronulatis, corollz laciniis ovatis acu- 
minatis calyce brevioribus. 
Ophelia angustifolia. Nob. in G. Don Syst. Gard. & Bot. iv. p. 178. 
Swertia angustifolia. Ham. in Don Prodr. Fl. Nep. p.127. Wall. Pl. Asiat. 
Rar. iii. p. 2. t. 204.; Cat. n. 4373. 
Habitat in Emodi montibus ad Mussooree. Royle. ©. Puharee Cherayita 
indigenis. 
Radix fibrosa, annua. Caulis erectus, ramosus, rigidus, fistulosus, purpurascens, 
levitér 4-angulus, cubitalis, magis coarctatus quàm in sequente. Folia 
brevissime petiolata, lineari-lanceolata, acuta, 3-nervia, suprà viridia, 
subtüs pallidiora, glaucescentia, basi attenuata, utrinque glaberrima, 
sesqui- v. bi-pollicaria. Flores laxé paniculati. Pedunculi capillares, 
breves, tetragoni. Calyx 4-partitus: segmentis lineari-lanceolatis, acutis. 
Corolla 4-partita, calyce longior, alba, punctis violaceis copiosé notata : 
laciniis ovato-oblongis, mucronulatis, basi biglandulosis, nudis. Stamina 
4, corolla breviora : filamenta gracilia, subulata, glabra: anthere cordata, 
obtuse, incumbentes, biloculares. Ovarium staminum longitudine, ellip- 
