18 Transactions. 
after season. · Spores so produced cause local infection of the leaves, and 
these sori in turn give rise to uredo- and teleuto-spores. 
This rust is prevalent throughout the Nelson and Marlborough districts, 
and in the spring vex us conspieuous on account of the brilliant colour 
of the caeomatospo 
Ramsbottom (1913) has shown that the name of this species should be 
as above. 
2. Phragmidium Acaenae n. sp.* (Text-fig. 93, and Plate 1, fig. 1.) 
0. Spermogones amphigenous, sparse, scattered, conical, pallid yellow. 
I. Caeomata hypophyllous, scattered, orbicular when 0-5-1 mm. diam., 
or elliptical and up to 3mm. long, pulvinate, pulverulent, orange ; 
encircled by a de layer of hyaline, incurved, clavate, deep para- 
hyses, overtopping the spores. pores globose, obovate, or less com- 
monly elliptical, 18-28 x 16-20 mmm. ; epispore hyaline, oa. sid finely 
verruculose, 1—1-5 mmm. thick, cell- contents orange, vacuolate 
III. Teleutosori hypophyllous and petiolicolous, sparse, scattered, orbicu- 
lar, 0-1-0-5 mm. diam., at first compact and pulvinate, do sed pulverulent, 
shining-black, naked, with few spores in each sorus Spores 4—T-celled, 
commonly 6, long-cylindrical, 50-95 x 20-25 mmm apex UNT 
acuminate or rounded, slightly or not thickened, often crowned wit 
patie sees hyaline papilla, up to 10 mmm. long, not continuous with the 
upper cell-wall, base rounded, spore slightly or my narrowed above and 
below ; not or slightly constricted at the septa; wall light chestnut-brown, 
3-4mm. thick, sparsely covered with a few coarse hyaline warts which 
are more numerous apically or may be almost absent; pedicel persistent, 
continuous with the spore, tinted above, hyaline below, hollow, up to 
50 mmm. long, commonly much less, 5-9 mmm. thick, swollen at the base 
to 20 mmm., lower third closely verruculose, germ-pores 2—3 in each cell, 
- conspicuous. 
Host: Acaena microphylla Hook. f. On leaves and petioles. Herb. 
No. 307. . I, Ш. сое Gardens, Gore (Southland), E. B. Levy! 
1 Feb., 1921. (Typ 
The- host is (ашы. and is not uncommon throughout the mountain 
districts. (Cheeseman, 1906, p. 132. 
This species closely resembles Phr. subsimile, but differs in the long- 
cylindrical shape of the teleutospores, their verrucose apex, much shorter 
pedicels, and in the cells not being discoid. 
3. Phragmidium  novae-zelandiae n. sp. (Text-fig. 92, and Plate 1, 
fig. 2.) 
0. Spermogones similar to Phr. dann. 
I. Caeomata similar to Phr. Acae : 
ПІ. Teleutosori hypophyllous, eet elliptical, up to 3mm. long, 
pulvinate, pulverulent, the spores becoming овен into compact 
masses, dull ish- black, naked, with very man res in each sorus. 
Spores 4-8- celled, commonly 6-7, oblong-cylindrical, 65-1 18 x 18-24 mmm. ; 
apex acuminate, seldom rounded, not or slightly thickened, drawn into à 
жы papilla, continuous та the у upper e cell-wall, tinted, hyaline at the 
* Latin diii à of new species will be found on pages 51-55. 
