PHAIO-CALANTHE. 649 



P. RUCKERIANA, Bchh. /.—Allied to P. Dayana, from whicli it difEers, 

 however, by the acute undulate sepals and petals, which are somewhat twisted. 

 In colour they are white with green extremities, and a large light purple area 

 near the apex ; the lip has some yellow at the base of the side lobes, purple at 

 the anterior part, callus white. It was flowered in the collection of Herr 

 Eiicker-Jenison at Tlottbeck, under the care of Herr Franz Kra.meT.— Native 

 country not stated. 



P- RUSSELLIANA, Bchh. /.—A large-flowered beautiful and free-flowering 

 species, with broad sepals and petals which are cream-coloured, tipped with 

 reddish-purple ; the lip is of the same reddish-purple colour, with a yellow ruff 

 or callus having fifteen lamellae with deep crimson-purple angles. It was laamed 

 in honour of the late Provost Eussell, of Falkirk. — Ecuador. 



Stn. — Zygopetalum RvssclUanum. 



P, WALLISII, Linden et JRchb.f. — This superb species resembles P. cerina in 

 its general appearance, but has larger flowers. It forms a tuft of lorate acumi- 

 nate leaves, from the axils of which issue the short peduncles, bearing each a 

 solitary blossom of some 3 inches in diameter, the oblong obtuse apiculate sepals 

 and rhomboid petals being of a rich creamy- white tipped with bluish- violet ; the 

 oblong retuse furrowed lip is of n deeper violet, with a white margin, and the 

 ruff or callus of seventeen keels is also white tinted in front with purple ; the 

 column is white, with a band of dark violet at the base. It is a fine addition to 

 this beautiful genus, requiring somewhat cool treatment. — Ecuador. 



¥ia.— Flore des Serres, t. 1S28. 

 Syn. — Zygopetalum Wallim. 



PHAIO-CALANTHE, Roljc. 



{Tr'ibc Epidendreae, snbtriie Bletieae.) 



A small genus of hybrid Orchidaceous plants, which have been 

 obtained between Phajus and a deciduous Calanthe, but the plants 

 partake more of the character of a Phajus in their habit of growth, the 

 flowers, too, more closely resemble those of the first named genus, but 

 they show in the characters of the column their bi-generic origin more 

 than in any other part, being stout and clavate, as in Phajus, but it is 

 winged in the lower part as in Calanthe. 



Gidture. — Same as Phajus, which see. 



P. IRRORATA, Bolfe. — This beautiful and pleasing variety is the result of a 

 cross effected by the late Mr. Dominy between Phajus grandifolius and Calanthe 

 vestita. The pseudobulbs are ovato-conical, and bear dark green lanceolate 

 plaited leaves, similar to those of P. grandifolius ; the flowers are produced in 

 an erect raceme, and are about 3 inches in expansion, the sepals and petals 

 cream-coloured tipped and flushed with rosy-]3ink, and the lip nearly round, 



