SMITH AND ROSE—THE HAUYEAE AND GONGYLOCARPEAE. 289 
Flowers sessile. 
Calyx segments not appendaged.............-...-.-.-.--.-- 5. H. elegans. 
Calyx segments appendaged. 
Appendages 3 to 4 mm. long. 
Valves of the capsule with a central dorsal ridge.... 6. H. cornuta. 
Valves of the capsule without a central dorsal ridge. 7. H. microcerata. 
Appendages 10 to 15 mm. long. 
Calyx segments about equaling the tube........... 8. H. rodriguezit. 
Calyx segments much shorter than the tube. 
Capsules 3.5 cm. long...............-- Le eeeeee 9. H. quercetorum. 
Capsules 6 to 8 cm. long. 
Leaves orbicular to cordate-oval........... 10. H. ruacophila. 
Leaves oblong-ovate to oblong-obovate..... 11. H. lemnophila. 
1. Hauya heydeana Donn. Smith, Bot. Gaz. 18: 3. 1893. Figure 465. 
Shrub or small tree, at most only 6 meters high, glabrous throughout; young branches 
purplish; leaf blades lanceolate, 6 to 12 cm. long, narrowed at the base, gland-tipped; 
petioles 2 cm. or less long; peduncles 12 to 35 mm. long; flowers small for the genus, 
6 to 7 cm. long; calyx segments narrowly linear, longer than the tube, with short, 
blunt tips; petals as long as and twice as broad as the calyx segments, purplish; cap- 
sule 2.5 cm. long, the valves 4 mm. broad, plane on the back. 
Type LocaLity: Along the road from San Cristébal, Department of Alta Verapaz, to 
Beleji, Department of Quiché, Guatemala. 
SPECIMENS EXAMINED: 
GUATEMALA: Beleji, May, 1892, Heyde & Luz (J. D. Smith 2935). Coban, von 
Tiirckheim (J. D. Smith 8210) in June, 1902, 604 in 1907. 
This species is well marked in both foliage and flowers and especially by the long 
peduncles. 
2. Hauya barcenae Hemsl. Diag. Pl. Mex. 1: 13. 1878. Ficure 46. 
Tree 13 meters or more high; young branches puberulent; leaves ovate to rotund, 
5 to 6 cm. long, acute, rounded at the base, puberulent, becoming glabrate, sub- 
coriaceous; petiole 25 mm. long; peduncle short but distinct; flowers 6 to 7 cm. long; 
calyx tube about 3.5 cm. long, the segments about as long as the tube, not appendaged ; 
capsules 5 cm. long, the valves plane on the back; seeds small, 5 mm. long. 
Type Locauity: ‘‘Huauapan” (Huajuapan), Oaxaca, Mexico. 
SPECIMENS EXAMINED: 
Mexico: Huajuapan, Oaxaca, Andrieux 391. 
InLustraTions: Hemsl. Biol. Centr. Amer. Bot. 5: pl. 29. f. 2; Engl. & Prantl, 
Pflanzenfam. 37: f. 87. 
3. Hauya lucida Donn. Smith & Rose, Bot. Gaz. 52: 48, 1911. Figure 47. 
Hauya donnelismithit Loes. Repert. Nov. Sp. Fedde 12: 236. 19138. 
Tree 10 to 13 meters high, with a globose or spreading top; very young leaves pubes- 
cent on the nerves beneath; mature leaves glabrous and shining, obovate to elliptical, 
cuspidate, narrowed at the base, 8 to 13 cm. long, 4.5 to 6 cm. broad, with 8 or 9 lateral 
nerves; petioles 1.5 to 2.5 cm. long; peduncle very short, not over 7 mm. long; flower 
8 to 10 cm. long; calyx tube 4 to 6 cm. long, the segments 3 to 4 cm. long, with append- 
ages 3 to 4 mm. long; petals 3 cm. long; filaments 17 to 19 mm. long, or after flowering 
becoming 20 to 23 mm.; ovary 9 to 12 mm. long; stigma exserted beyond the petals; 
capsule 3 to 4.5 cm. long, the valves plane on the back; seeds oblong, 11 to 12 mm. 
long, obtuse; embryo oblong-obovate. 
TYPE LocaLity: Rio Torres, San Francisco de Guadalupe, near San José, Costa Rica. 
SPECIMENS EXAMINED: 
Costa Rica: Near San José, June, 1893, Tonduz 8005 (type); same locality, April, 
1894, J. D. Smith 4801; June 24, 1896, Tonduz 10118; October, 1898, Tonduz 
7445, 12719. 
94559°—13——2 
