144 Tranf^acfions of the Royal Society of South Africa. 
1907. " Some Observations on the Welwitschia Desert " (abstract) (' Rep. 
S. African Assoc. Adv. Sci.,' p. 116). 
1907. " Research on South African Cycads and on Welwitschia'': Report 
to the Committee (' Rep. Brit. Assoc. Adv. Sci.,' pp. 408-409). 
1908. "A Note on the Morphology of Endosperm" ('Rep. Brit. Assoc. 
Adv. Sci.; p. 914). 
1908 & 1909. " Further Observations on Welwitschia " (' Proc. R. Soc. 
Lond. B.; vol. xxx, pp. 530-531 ; 'Phil. Trans. R. Soc. Lond. B,' 
vol. cc, pp. 331-402, tt. 22-30). (Abstract.) 
1909. "A Botanical Journey in South-West Africa " ('Gard. Chron.,' vol. Ivi, 
pp. 369-370, 401-402, 414-415, figs. 160, 160 a, 176-178, 
182-184). 
1909. " Percy Sladen Memorial Expedition in South-West Africa, 1908-9 " 
('Nature,' vol. Ixxxi, pp. 466-467, 499-500, with 4 figs, and 2 
sketch-maps). 
1910. "The Travels of a Botanist in South-West Africa: Percy Sladen 
Memorial Expedition, 1908-9 (' Greogr., Journ.,' vol. xxxv, 
pp. 481-511, with 12 figs.). 
1910. ''Welwitschia mirabilis " (' Gard. Chron.,' xlvii, pp. 49-51, figs. 31-33 
and Suppl. illust.). 
1910. "A National Botanic Oarden (for South Africa)": Presidential 
Address ('Rep. S. African Assoc. Adv. Sci.,' pp. 37-54; abstract 
in ' Kew Bulletin,' pp. 372-380). 
1910. "The Embryo of Welwitschia'' ('Ann. Bot.,' vol. xxiv, pp. 759-766, 
t. 64 and 2 text-figs.). 
1910. " Thymelaeceae (of Tropical Africa) " (Dyer, ' Flora of Tropical 
Africa,' vol. vi, sect. 1, pp. 212-255). 
1911. " Preliminary Report on an Investigation of the Life-History of the 
Rooibloem or Witcliweed (Striga lutea, Lour.) " ('Agric. Journ. 
Union S. Africa,' vol. ii, pp. 266-268). 
1911. " A State Botanic Garden " (' The State of South Africa.') 
1911. "Harry Bolus, D.Sc, F.L.S. (Obituary Notice, with a list of his 
botanical journeys, by L. Kensit, and a bibliography) " (' Rep. S. 
African Adv. Sci.,' pp. 67-79, with portrait). 
1911. "Through Little Naraaqualand with theYasculum and the Camera" 
(' Gard. Chron.,' vol. 1, pp. 61, 62, 124-125, 166-167, 190-191, 200- 
201, figs. 30-33, 57-61, 79-81, 89-91, 97-99). 
1911. "On the Collections of Dried Plants obtained in South-West 
Africa by the Percy Sladen Memorial Expeditions, 1908-1911 " 
('Ann. S. African Mus.,' vol. ix, pp. 1-19, with map). 
1911. " Itinerary of the Percy Sladen Memorial Expedition to the Orange 
River, 1910-1911 " ('Ann. S. African Mus.,' vol. ix, 1911, pp. 21- 
90, tt. 1-2). 
