BOBARTIA 
267 
simple. Fruit a capsule; seeds 00 with rich endosperm; embryo usually 
curved. As defined by Warburg in Nat. PJi . this order consists of 
the 4 gen. Bixa, Cochlospermum, Amoreuxia, and Sphaerosepalum. 
The latter was formerly placed in Guttiferae. B. are placed in Cisti- 
florae by Warming (Eichler), and in Parietales by Bentham- Hooker. 
These authors all include in B. the Flacourtiaceae, treated as a separate 
order by Engler. 
Bixineae (Bentham-Hooker). Bixaceae (in wide sense ; see above). 
Blachia Baill. Euphorbiaceae (A. 11. 5). 6 sp. Indo-mal. 
Blackstonia Huds. = Chlora Ren. 
Blaeria Linn. Ericaceae (iv. 9). 20 sp. Afr. 
Blainvillea Cass. Compositae (v). 10 sp. trop. 
Blakea P. Br. Melastomaceae (1). 36 sp. S. Am., W. Ind. 
Blandfordia Sm. Liliaceae (in). 4 sp. E. Austr. 
Blatti Adans. =Sonneratia Linn. f. 
Blattiaceae = Sonneratiaceae. 
Blechnum Linn. Polypodiaceae. 20 sp. trop. and temp. For the 
Brit. sp. B. boreale Sw. or B. Spicant Roth, see Lomaria. 
Blechum P. Br. Acanthaceae (iv. A). 6 sp. trop. Am., W. Ind. 
Blepharipappus Hook. Compositae (v). 1 sp. W. N. Am. 
Blepharis Juss. Acanthaceae (iv. B). 40 sp. Old World, trop. and 
subtrop. Thistle-like plants with the characters of Acanthus. The 
seeds have hairs which swell up when wetted. 
Blepharispermum Wight ex DC. Compositae (iv). 4 sp. trop. As., Afr. 
Blepharodon Dene. Asclepiadaceae (11. 2). 20 sp. trop. Am. 
Blephilia Rafin. Labiatae (vi. 8). 2 sp. N. Am. 
Bletia Ruiz et Pav. Orchidaceae (15). 20 sp. trop. Am. Epiphytes. 
For B. hyacinthina R. Br. see Bletilla. 
Bletilla Reichb. f. Orchidaceae (5). 1 sp. China, Japan. 
Blighia Kon. Sapindaceae (1). 1 sp. trop. Afr., B. sapida Kon. the 
akee or vegetable marrow, commonly cultivated in the West Indies 
for its edible fruit ; the edible part is the fleshy arillate seed-stalk. 
Blitum (Tourn.) Linn. =Chenopodium Linn. 
Bloomeria Kellogg. Liliaceae (iv). 2 sp. Calif. 
Blumea DC. Compositae (iv). 60 sp. trop. and subtrop. Old World. 
Very variable plants (cf. Hieracium). B. balsamifera DC. of SW. 
China, &c. is the ai- or ngai-camphor. Camphor is distilled from it, 
and exported in small quantity. 
Blumenhachia Schrad. (incl. Caiophora Presl.). Loasaceae (in). 55 sp. 
S. Am. The flr. is like that of Loasa. The fruit is twisted and is 
very light ; it is covered with grapnel hairs and clings closely to fur. 
As it is carried about the seeds are gradually shaken out. 
Blysmus Panz. = Scirpus Tourn. 
Blyxa Noronha. Hydrocharidaceae. 15 sp. trop. Afr., As., Japan. 
Bobartia Linn. Iridaceae (11). 6 sp. S. Afr. Leaves sword-like, or 
centric like those of onions. 
