GARUGA 



1317 



pinnata, Roxbg. Tree, 30-40 ft., with Ivs. 1 ft. or 

 more long; Ifts. obtusely crenate: fls. small, in a very 

 large panicle: fr. a black drupe. India and Malaya to 

 the Philippines. Also cult, abroad under glass. . 



L. H. B. 



GAS PLANT: Dictamnus. 



GASTERIA (Greek, gaster, belly; referring to the 

 usually swollen base of the flowers). Lilidcese, tribe 

 Aloinese. Mostly acaulescent and small succulents of 

 similar decorative uses and treatment as Aloe. 



Leaves usually elongated, crowded in rosettes or on 

 short sts., usually 2-ranked: fls. with a red or rosy 

 typically ventricose curved tube and short equal sub- 

 erect greenish segms. about as long as the stamens and 

 pistil. S. Afr. Species 43. Monog. by Berger in Engler, 

 Das Pflanzenreich, hft. 33 (1908). 



acinacifolia, 18. 

 angulata, 3, 4. 

 canaliculata, 7. 

 carinata, 15. 

 conspurcata, 2. 

 crassifolia, 6. 

 denticulata, 5. 

 disticha, 2, 3, 5. 

 Dregeana, 10. 

 ensifolia, 18. 

 exoavata, 13. 

 falcata, 15. 

 fallax, 10. 

 formosa, 9. 



INDEX. 



glabra, 16. 

 glabrior, 7. 

 grandipunctata, 17. 

 intermedia, 1. 

 latifolia, 1, 15. 

 lingua, 5. 

 longifolia, 3. 

 maculata, 10. 

 major, 16. 

 marmorata, 6, 12. 

 minor, 16. 

 nigricans, 6, 7, 10. 

 nitens, 18. 

 nitida, 17. 



dbligua, 10. 

 parvifolia, 14. 

 parvipunctata, 17. 

 picta, 9. 

 planifolia, 8. 

 pulchra, 11. 

 scaberrima, 1. 

 strigata, 15. 

 subnigricans, 7. 

 sulcata, 4. 

 truncata, 3. 

 venusta, 18. 

 verrucosa, 1. 



A. Fls. scarcely 1 in. long, mostly ventricose. 



B. Lvs. radical, in 2 nearly straight ranks, not keeled. 



c. The Ivs. with pale raised warts. 



1. verrucSsa, Haw. (Aloe verrucosa, Mill. A. disticha, 

 Linn. A. verrucula, Medikus. A. acumindta and A. 

 racembsa, Lam.). Cespitose: Ivs. acute, somewhat 

 concavely 3-sided, spreading, % x 4-6 in., dull gray, 

 very rough with white crowded tubercles: infl. 2 ft. 

 high, typically simple. Cape. B.M. 837. DC., PI. Gr. 

 63. Berger 42, 43. Varies in a form with Ivs. 1 ft. 

 long and branched infl., var. latifolia, Salm (Aloe 

 lingua var., Ker), B.M. 1322, f. 2, 3. Salm, Aloe 29, 

 f. 25; a form with large greener more mucronate Ivs. 

 with less crowded warts, var. intermedia, Baker (G. 

 intermedia, Haw. Aloe intermedia, Haw.), Salm, 

 Aloe 29, f. 24. B.M. 1322, f. 1; and a form with 

 scarcely concave greener Ivs. with the greenish warts 

 somewhat in lines on the back, var. scaberrima, 

 Baker (G. intermedia scaberrima, Haw. Aloe scaberrima 

 Salm), Salm, Aloe 29, f. 26. Hybrids are reported 

 between G. verrucosa and G. pulchra; G. verrucosa 

 intermedia and G. carinata as well as Haworthia radula; 

 and G. verrucosa latifolia and G. breirifolia. 



cc. The Ivs. not white-warty. 



2. conspurcata, Haw. (G. disticha conspurcata, 

 Baker. Aloe conspurcata, Salm). Lvs. obtuse, mucro- 

 nate, little concave, IJ^x 10-12 in., green, smooth 

 except on the margin, with small often confluent white 

 spots: infl. 2^-3 ft. high, simple. Cape. Salm, Aloe 

 29, f. 31. 



3. angulata, Haw. (G. disticha angulata, Baker. G. 

 longifolia, Haw. Aloe angulata, Willd. A. lingua longi* 

 folia, Haw.). Lvs. abruptly short-mucronate, a little 

 concave on one or both faces, 2 x 8-10 in., one or both 

 edges angularly doubled, dark green with small often 

 confluent white spots: infl. 3 ft. high, exceptionally 

 branching. Cape(?). Salm, Aloe 29, f. 29. A form 

 with gutter-like Ivs. is var. truncata, Berger (A, 

 angulata truncata, Willd.). 



4. sulcata, Haw. (G. angulata, Haw. Aloe sulcata, 

 Salm. A. lingua angulata, Haw.). Lvs. concavely strap- 

 shaped, 4-angled, 1x4 in., dull green with small green- 

 ish little-raised dots: infl. 2 ft. high, simple; fls. little 

 inflated. Cape. Salm, Aloe 29, f . 32. 



5. lingua, Berger (G. disticha, Haw. G. denticulata, 

 Haw. Aloe lingua, Thunb. A. disticha, R. & S.). Lvs. 

 obtusely mucronate, oblong, somewhat concave, 

 2-edged, denticulate above, 2 x 8-10 in., green or grayish 

 with more or less banded and pale greenish spots: infl. 

 3 ft. high, simple. Cape. Salm, Aloe 29, f. 33. Ber- 

 ger 44. 



6. nigricans, Haw. (Aloe nigricans, Haw. A. obllqua, 

 Jacq.). Lvs. oblong, abruptly mucronate, 2-edged, 



2 x 5-8 in., glossy dark green or purplish with more or 

 less banded pale greenish spots: infl. 3 ft. high, some- 

 times branched. Cape. Salm, Aloe 29, f. 7. Varies 

 into a less mottled form with shorter fleshier Ivs., var. 

 crassifolia, Haw. (A. lingua crassifolia, Ait. A. crassi- 

 folia, R. & S.), B.M. 838. J.H. III. 60, p. 98; and a 

 white- and rosy-marbled form with smaller Ivs., var. 

 marmorata, Baker (A. marmorata, Salm. A. formosa, 

 R.&S.). 



7. subnigricans, Haw. (G. nigricans subnigricans, 

 Baker. Aloe subnigricans, Spreng. A. pseudonigricans, 

 Salm). Lvs. scarcely 1 in. wide, acute, green with small 

 separate rather transversely arranged pale spots: infl. 



3 ft. high, simple; fls. ventricose. Cape. Salm, Aloe 

 29, f. 10. Varies into a form with more concave Ivs., 

 var. canaliculata, Salm; and a form with sword-like 

 darker Ivs., var. glabrior, Haw. (Aloe guttdta, Salm. A. 

 nigricans denticulata, Salm. G. nigricans guttdta, 

 Baker). Salm, Aloe 29, f. 9. 



BB. Lvs. crowded along an evident if short st. 

 c. The Ivs. in 2 straight or twisted ranks. 



8. planifdlia, Baker (Aloe planifolia, Baker). Lvs. 

 in straight ranks, narrow, abruptly mucronate, 2-edged, 

 % x 6-10 in., glossy green with more or less confluent 

 oblong white spots, the minutely rough margin often 

 rosy: infl. 6 ft. high, or more, simple; perianth very 

 abruptly inflated below. Cape. Ref. Bot. 162. 



9. picta, Haw. (Aloe Bouredna, R. &. S., A. Bowie- 

 ana, Salm). Lvs. in twisted ranks, tongue-shaped, 

 abruptly mucronate, somewhat concave and 3-sided, 

 1^-2 x 10-14 in., glossy dark green mottled with 

 round white spots confluent below, the thickened mar- 

 gin subentire: infl. 3 ft. high, branched. Cape. Salm, 

 Aloe 29, f. 3. Varies into the smaller var. formosa, 

 Berger (Aloe Bowiedna formosa, Salm. G. formdsa, 

 Haw.). 



10. maculata, Haw. (G. obllqua, Haw. G. nigricans 

 platyphylla, Baker. Aloe maculata, Thunb. A. obllqua, 

 Haw. A. maculata obllqua, Ait.). Lvs. in somewhat 

 twisted ranks, tongue-shaped, blunt or abruptly 

 mucronate, 2-edged or with one margin doubled, 

 !%-2x6-8 in., glossy dark green with more or less 

 confluent large oblong spots or entirely white at base 

 below, rough-margined: infl. 3-4 ft. high, branched. 

 Cape. Salm, Aloe 29, f. 1. B.M. 979. Berger 47 

 Two varieties are distinguished: var. fallax, Haw. (.A. 

 maculata angustior, Salm), with smaller whiter smooth 

 Ivs., and var. Dregeana, Berger, with rough-margined 

 Ivs. 



11. pulchra, Haw. (Aide maculdta pulchra, Ait. A. 

 pulchra T Jacq.). Lvs. in spiral ranks, falcate, narrowed 

 from the base, acute, scarcely 1 x 8-10 in., glossy dark 

 green with oblong white spots transversely or reticu- 

 lately confluent, slightly rough-margined: infl. 3 ft. 

 high, branched. Cape. Jacq., Schoenbr. 4:19. Salm, 

 Aloe 29, f. 2. DC., PI. Gr. 91. B.M. 765. Miller. 

 Icon. 292. Berger 47. It is said to have been crossed 

 with G. verrucosa. 



cc. The Ivs. not 2-ranked. . 



12. marmorata, Baker. Lvs. smooth, lorate-lanceo- 

 late, rounded and cuspidate at tip, 1-13^x5-6 in., 

 with one margin doubled, dark green with large green- 

 ish more or less confluent spots: infl. 2-2^ ft. high, 

 branched. Cape. 



