228 MR. A. W. HILL ON THE 
There seems little doubt that the plant in the Kew Herbarium collected by 
Matthews is the same as that described by Gray. It is distinguished from all 
the other species in this acaulescent section by the dense covering of stellate 
hairs to the leaves and ealyces. The Kew plant is singular in having no 
carpels developed and the flowers have stamens only ; there is also no 
description of the female organs given by Gray. This species thus appears 
to be comparable in this respect to JVototriche Azorella and N. congesta *. 
In general appearance M. Richii resembles M. crenatum and M. rhizanthum, 
but is easily distinguished by the character and distribution of the tomentum. 
15. MarvasrRUM BAKERIANUM, A. W. Hill.— Fruticulus depressus ; caudex 
subterraneus, lignosus, firmus. Folia rosulata, solo adpressa; petiolus 
1:5-5 cm. longus, supra presertim strigoso-hirsutus ; stipulæ lineari-lanceolate, 
acute, 1-1:5 em. longæ, margine ciliatæ ; lamina ambitu ovata, basi rotundata 
vel subcordata, 2-3 em. longa, 2-2:5 cm. lata, supra glabra vel parce hirsuta, 
subtus ad nervos hirsuta, nervis plus minusve pinnatifidis, aliquando obscure 
5-lobata, margine brevi-dentata vel bidentata, ciliata. "ores singuli, 
pedunculis 1-3 em. longis strigoso-hirsutis ; involucrum persistens, prophyllis 
1-3 linearibus acutis 8-9 mm. longis margine ciliatis. Саул 1 em. longus, 
ad medium 5-lobus, segmentis triangulari-ovatis acutis, extra glaber vel 
pareissime pilosus, segmentis intus pubescentibus. Corolla alba, 2-23 em. 
longa ; petala late obovata, retusa, 1:2 em. lata, basi in tubum 1:5 mm. longum 
coalita, uti staminum tubus basi stellato-tomentosa. Stamina numerosa, in 
caput cylindrieum densum instructa. Сатре а matura non visa, dorso hirsuta. 
Peru: Dep. Puno, Tirapata, argillaceous fields, 3900 m., А. W. Mill, 74 
(Herb. Kew.) ! Pucara, open meadows, 3700 m., Weberbauer, 443 (Herb. 
Berol)! Vilcanota, 5340 m., Pentland (Herb. Kew.) ! 
This species shows some resemblance to Malvastrum acaule, but differs 
especially in the ovate leaves, with their rounded or subcordate bases in the 
single flowers with calyces whose teeth are broader and longer in proportion 
than those of М. acaule. The general appearance of М. acaule, with its 
crowded flowers in the centre of the rosette of long petioled leaves and the 
texture of the laminæ, differs markedly from M. Bukerianum. In М. acaule 
the flowers are stated by Dombey to be yellow, becoming green on drying, 
while in M. Bakerianum the flowers are white. This character is well seen 
in the Kew specimens. 
16. MALVASTRUM ORIASTRUM, Baker fil. in Journ. Bot. xxix. (1891) p. 172; 
deser. emend. et ampl.— "ruteulus depressus ; caudex subterraneus, lignosus. 
Folia rosulata, solo adpressa ; petiolus 2:5-3:5 em. longus, basi dilatatus, 
glaber; stipule membranace:, lanceolate, acute, plus minusve 1 em. longe, 
* Vide НШ, А. W.. in Engl. Bot. Jahrb. xxxvii. (1906) p. 582 ; and Trans. Linn, Soc, 
ser. 2, Dot. vii. (1909) p. 220. 
