TROPAEOLUM 663 



and T. sativum Lam. the wheat proper, with 3 races, the ordinary 

 spelt, the earliest cultivated (T. spelta L.), the 2 -grained wheat (T. 

 dicoccum Schr.), and T. sativum tenax, of which there are 4 sub-races, 



(1) the hard or flint wheat (T. durum Desf.) used for macaroni, &c., 



(2) the turgid or rivet wheat (T. turgidwn L.), (3) the dwarf wheat 

 (T. compactum Host.), and (4) the common wheat (T. vulgare Vill.) 

 in oo vars. All are sometimes considered as forms of T. vulgare. 

 Cf. Percival, Agric. Botany; Kornicke and Werner, Handb. d. Getrei- 

 debaucs, Bonn, 1885, &c. 



Tritoma Ker-Gawl. = Kniphofia Moench (Lili.). 



Tritomopterys Niedenzu (Gandichaudia p.p.)- Malpighiaceae (i). 8 

 Mexico, C. Am. 



Tritonia Ker-Gawl. Iridaceae (in). 30 S. and trop. Afr. Cult. orn. 



Triumfetta Plum, ex L. Tiliaceae. 75 trop. Herbs or shrubs, often 

 with extrafloral nectaries at base of 1. On each internode of infl. are 

 usu. at least three 3-flowered dichasial cymes. The first and oldest 

 is opp. to the 1. ; the rest stand alt. right and left between the first and 

 the 1. Fruit with hooked spines (animal distr.). 



Triuridaceae (EP., BH.}. Monocots. (Triuridales ; Apocarpae BH.}. 

 2 gen., 40 sp. , trop. As., Afr., Am. Little saprophytes with scale 1. 

 and small fls. on long stalks, $ or <f ? . P 3 8, coralline, valvate, 

 A in i 3, 4 or 6, G in ? x , each with i basal ov. and i style. Thick 

 pericarp; much endosp. Genera: Sciaphila, Triuris. 



Triuridales. The 3rd order of Monocots. 



Trivalvaria Miq. (Polyalthia BH.}. Anonaceae (2). 4 Malaya. 



Trivial (name), specific. 



Trixago Hall = Stachys Tourn. (Lab.). 



Trixago Stev. = Bartsia L. p.p. (BH. ) - Bellardia All. 



Trixis P. Br. Compositae (12). 35 warm Am. 



Trizeuxis Lindl. Orchidaceae (n. 19). ( Colombia. 



Trochetia DC. Sterculiaceae. 8 St Helena, Mauritius, Madag. 



Trochiscanthes Koch. Umbelliferae (in. 5). i S. Eur. , 



Trochlear, pulley -shaped. 



Trochocarpa R. Br. Epacridaceae (3). 6 Austr. 



Trocnocodon Candargy. Campanulaceae (i. i). i Greece. 



Trochodendraceae ( EP. ; Magnoliaceae p.p. Bff.}. Dicots. (Archichl. 

 Ranales). 3 gen., 6 sp., E. As. Trees or shrubs with alt. exstip. 1., 

 and fls. sol. or in racemes, $ or monoecious, naked. A oo , G 5 oo . 

 Caps, or achenes. Chief genus: Trochodendron. 



Trochodendron Sieb. et Zucc. Trochodendraceae. i Japan. 



Trochomeria Hook. f. Cucurbitaceae (3). 12 Afr. 



Trochomeriopsis Cogn. Cucurbitaceae (2). i Madag. 



Trollius L. Ranunculaceae (2). 12 N. temp, and Arctic. ( T. eiiropaeus 

 L., globe-flower, in Brit.) The 'sepals' completely cover in the fl. 

 Fl. homogamous, and regularly fert itself. 



Troostwykia Miq. Connaraceae. i Sumatra. 



Tropaeolaceae (EP.~, Geraniaceae p.p. Bff.). Dicots. (Archichl. 

 Geraniales). Only genus Tropaeolum (q.v.}. 



Tropaeolum L. Tropaeolaceae. 25 S. Am., Mexico (Nasturtium or 

 Indian cress of gardens). Most are herbs climbing by sensitive 

 petioles (cf. Clematis), with cpd. or peltate L; some have tubers at 



