190 THE JOURNAL OF BOTANY 
Desorrrtion or Prats 4794.— Fig. 1. Helosciadium nodiflorum Koch Mer! 
8 Semtetin DC. poor photograph of type in DeCandollean Herbarium. 
iflorum K fon (= H. repens ee from a specimen from Pots ian m 
in the Nationa u ‘Herb um. 3, Frui H. nodiflorum Koch (enlarged). 
4. Fruit of var. repens retormes ed). 
WIDDRINGTONIA IN SOUTH TROPICAL AFRICA. 
By A. B. Renpuz, M.A., D.Se. 
(Puate 4798.) 
of foliage, as well as the a Hoes cupressiform type, and also bore 
clusters of ripe cones. The esumption was dia: the species 
represented W. Mahoni, entiribed by Dr. Masters in his see 
monograph of the genus (Journ. Linn. Soc. xxxvii, 271 
ouma brought from Melsetter, in South-east a cane prior 
one ed miles south of Umtali. More recently Mr. Arthur 
Bobier in sent foliage from Melsetter which is identical with that 
of ee Umtali specimens, 
he material sent by Mr. Mahon was Scanty, consisting of 
oakiehad of foliage- shoots and a cluster of unopened con 
Mahon notes that ‘“ the timber is firm and odoriferous, resembling 
that of W. Whytei, as do the fruits and seeds, but the foliage is dis- 
t, and markedly so in the young “i when the plants are of a 
dull dark green, without the bluish green hue so remarkable in 
ne 
@ Case a curious Equisetum-like 
pan wn. rrangem: an of the leaves suggests a 
davivadion ‘fc the tétens tichous type, so characteristic of the 
Cupressinee, and ig apy pee by Dr. } Masters as “ laxiuscule 
subspiraliter vel subtetrasticha,” 
etails of leaf- -anatomy are often helpful in ane ot te 5 ree 
ae conifers, especially the number and position of the 
anals. The internal leaf-structure ms dis- 
‘alesis ohatnateak: Generally there is @ prominent resin- re in 
the middle line of the leaf imme ediately above the vascular bundl 
