618 SPIN ACT A 



L. is the spinach. Annual herbs with cymes of dioec. fls., anemoph. 

 The bracteoles harden round the fr. as a membranous wing. 



Spindle tree, Enonymus. 



Spingula Nor. Inc. sed. Nomen. 



Spinifex L. Gramineae (5). 4 Austr. , Ceylon to Japan. Dioec. 

 ? spikelets i -flowered with long spiny bracts, massed together into a 

 head. This breaks off when the fruits are ripe, and blows about 

 (cf. Anastatica), finally sticking in the sand and breaking up. 



Spinks, Cardamine pratensis L. 



Spiuose, spiny (1.), Acantholimon, Acanthophyllum, Acanthus, &c. 



Spiracantha H. B. et K. Compositae (i). i C. Am., Colombia. 



Spiradiclis Blume. Rubiaceae (i. 2). 3 Bengal to Java. 



Spiraea L. (excl. Ultnaria Tourn.). Rosaceae (i. i). 50 N. temp. 



Spiraeanthemum A. Gray. Cunoniaceae. 6 Polynesia. 



Spiraeanthus Maxim. Rosaceae (i. i). i E. C. As. 



Spiraeopsis Miq. Cunoniaceae. i Celebes. 



Spiral (fl.), with 1. spirally arranged, not in whorls. 



Spiranthera A. St Hil. Rutaceae (i). i S. Brazil. 



Spiranthes Rich. Orchidaceae (n. 2). 50 N. temp., S. Am.; 3 in 

 Brit., incl. S. autumnalis Rich, (lady's tresses). S. Romanzoffiana 

 Cham, et Schlecht., a native of N. Am. and Kamtschatka, occurs in 

 meadows at Bantry Bay, Ireland, and has caused much discussion 

 among geographical botanists (cf. Eriocaulon). Infl. twisted, so that 

 the fls. form a spiral. For mechanism see Darwin, Orchids, p. 106. 



Spire lily, Galtonia. 



Spirea Pierre (Aspilia p.p. EP.}. Compositae (5). i trop. Afr. 



Spirella Costantin. Asclepiadaceae (n. 3). i Indochina. 



Spirochloe Lunell (Schedonnardus Steud.). Gramineae (n). i N. Am. 



Spirodela Schleiden (Letua p.p. BH.\ Lemnaceae. 2 cosmop. exc. 

 Afr. 



Spirolobium Baill. Apocynaceae (n. i). i Cambodia. 



Spirolobous, Criiciferae. 



Spironema Lindl. Commelinaceae. i Mexico. 



Spiropetalum Gilg. Connaraceae. 3 W. Afr. 



Spirorhynchus Kar. et Kir. Cruciferae (2). i C. As. 



Spirospermum Thou. Menispermaceae. i Madag. 



Spirostachys S. Wats. Chenopodiaceae (A). 3 Am. 



Spirostigma Nees. Acanthaceae (iv. A), i Brazil. 



Spirotecoma Baill. Bignoniaceae (2). i Cuba. 



Spirotheca Ulbrich. Bombacaceae. 2 Brazil. 



Spirotropis Tul. Leguminosae (ill. i). i French Guiana. 



Spitzelia Sch.-Bip. = Pieris L. p.p. (Comp.). 



Spleenwort, Asplenium. 



Splendens (Lat.), glittering. 



Spodiopogon Trin. Gramineae (2). 8 As. 



Spogel seed, Plantago ovata Forst. 



Spondiantnus Engl. Anacardiaceae (2). W. trop. Afr. 



Spondias L. Anacardiaceae (2). 6 trop. The i 5 -seeded drupe is ed. 

 (hog-plum) ; endocarp fibrous outside. 



Spoiidiopsis Engl. Anacardiaceae (2). i Kilimandjaro. 



Spongopyrena Van Tiegh. (Ochna p.p.). Ochnaceae. 4 trop. Afr. 



