~ 
Acaena. | ROSACEAE. 51) 
Var. inermis 7. Kirk Students’ Fl. (1899) 134.—Leaves longer, 1-4 in. long, usuaily 
glaucous; leaflets 4-4 in. long. Fruiting-calyx without any spines.—A. inermis Hook. 
f. Fl. Nov. Zel. i (1858) 54; Handb. N.Z. FI. (1864) 57. Bitter describes 2 forms differing 
in the length of the scape. 
Var. depressa 7’. Kirk I.c.—Smaller; branches closely appressed to the ground. 
Heads small, 5-7-flowered, sessile, almost hidden by the leayes.—A. depressa 7’. Kirk 
nm Trans. N.Z. Inst. ix (1877) 548. 
Var. pauciglochidiata Bitter Monog. Gattung Acaena (1910).—Differs from ali the 
forms of the section Microphyllae in the very thin spines furnished at the tip with 1-3 
unilaterally placed barbs. SourH Istanp: Near Invercargill, Petrie. 
NortH AnD SoutH Istanps: Not uncommon from the Ruapehu and the Ruahine 
Mountains southwards, mainly in mountain districts. Var. inermis : In similar situations 
from Nelson to the south of Otago. Var. depressa: Otago—Cardrona Valley, Petrie / 
Lake Hawea, T. Kirk ! Sea-level to 3500 ft. November—January. 
5. A. Buehanani Hook. f. Handb. N.Z. Fl. (1864) 57.—Stems and 
branches numerous, prostrate and rooting, sometimes almost subterranean ; 
branchlets short, thick, erect, the younger ones densely pilose. Leaves 
variable in size, }-$in. long, the sheaths produced into short stipules ; 
leaflets 11-13 (5-6 pairs with a terminal leaflet), the lowermost pair 
minute, the following pairs gradually increasing in size, the uppermost 
leaflet the largest, $-%in. long, obovate to nearly orbicular, deeply crenate- 
dentate ; all the leaflets whitish-green on both surfaces, more or less pilose. 
Head altogether sessile or on a very short scape, 5-10-flowered. Sepals 4, 
green, persistent in fruit; calyx-tube (cupula) turbinate, densely villous, 
4-angled ; each angle provided with a greenish or yellow spiné ; each 
spine furnished near the tip with several scattered more or less flexuose 
reflexed hairs. Stamens 2, rarely more; anthers yellowish. Achenes 1 
or 2.—T’, Kirk Students’ Fl, (1899) 134; Cheesen™ Man. N.Z. Fl. (1906) 138 ; 
Bitter Monog. Gonnay Acaena (1910). 
a 
s Arad, * “ a = an > 
Var. inernfis Bitter 1.c.—®upula bearing x the apex of the angles a prominent 
tubercle; spines wanting. | 
‘Sm Raat oe Phe. Qo kde » +#49¢, 
SoutH IsunanpD: Otago—Lake district, Hector and Buchanan ! Upper Clutha Valley, 
Lake Hawea, Petrie! Var. inermis: Mount Ida Valley, Cockayne. 
A distinct little species, easily recognized by the small size, whitish-green colour, 
villous leaves and branches, small sessile heads, and yellowish spines. 
9. A. glabra Buch. in Trans. N.Z. Inst. iv (1872) 226, t. 14.— 
A wide-creeping, stout and woody, perfectly glabrous plant; stems 1-2 ft. 
long. Branches numerous, leafy, ascending or suberect. Leaves #—]1 in. 
long; stipules lanceolate, acute; petiole very short; leaflets 7-11 (3-5 
pairs with a terminal one), the lowermost pair minute, quite close to the 
stipules ; uppermost pair the largest, Lin. long, broadly oblong or 
oblong-obovate, sometimes cuneate at the base, deeply and coarsely 
toothed ; the leaflets as 4 rule green or brownish-green above, sometimes 
suffused with red, pale-green or glaucous-green beneath, always glabrous. 
Scapes terminating the branches, stout, erect, 2-5 in. long, naked or 
sometimes furnished with a minute leaf near the middle. Head globose, 
2-Zin. diam., green or sometimes suffused with purplish-red. Flowers 
most commonly bisexual, but occasionally unisexual or polygamous. In 
the bisexual flowers the stamens are 2 only; while in the male flowers 
