31 



ROSACEAE: HIRTELLA. 



32 



Tabula nostra IX. Fig. I. 



Hirtella Sprucei Benlh. Mss. in Herb. Spruce. 



Ramuli graciles, teretes, patentim hispido-setosi. Folia 4 — 6 

 poll, longa, anguste lineari- v. obovato-oblonga , basi rotundata v. 

 obscure cordata, membranacea, superne costa subsetosa excepta gla- 

 berrima, subnitida; subtus concolora, nervis utroque latere 10 — 12 

 sparse setoso-pilosis; nervulis laxe reticulatis; petiolo brevi, vix 

 % poll, longo, hispido. Stipulae filiformes, setosae, caducae. Ra- 

 cemi gracillimi, multiflori, foliis 2— 3-plo longiores, rachi patentim 

 hispida. Flores sparsi, pubescentes et pilosuli, '/, poll, diametro •, 

 pedicellis gracillimis, '/ t poll, longis. Bracteae minutae, subulatae; 

 bracteolae in pedicello consitae, minimae, subulatae, suboppo- 

 sitae, gland ul a terminatae. Calycis tubus brevis, subcylindricus, 

 gibbus; lobi lineari-oblongi, obtusi, tubo fere duplo longiores. Pe- 

 tala obovato-spatbulata, lobis calycis triente majora. Stamina ad 

 5; filamentis glabris, '/, poll, longis. Ovarium hispido-setosum ; 

 stylus basin versus longe setosus. 



Hirtellae strigulosae Steud. affinis, sed flores majores, racemi lon- 

 giores, pedicellique multo longiores. Flores in specini. Spruceanis minores 

 quani in Blanchetianis , cum stylo minus setoso. 



Habitat in prov. do Alto Amazonas ad San Carlos: Spruce,' 

 nee non in prov. Bahia: Blanche t n. 3568. Najas, Dry as. 



**# Racemi elongati, rachi glabra v. pubescente. 



8. HIRTELLA GUAINIAE Spruce: ramulis foliisque subtus 

 longe patenter hispidissimis; foliis lineari-oblongis, cuspidato-acu- 

 minatis basi cordatis, petiolo brevissimo 2-saccato; racemis pubes- 

 centi-tomentosis. 



Tabula nostra X. 



Hirtella Guainiae Spruce Mss. 



Arbor parva, 15-pedalis (Spruce); ramulis robustis. Folia 

 6 — 8 poll, longa, coriacea , siccitate brunnea; superne glaberrima, 

 utrinque nitida, costa setulosa nervisque prominulis; subtus conco- 

 lora, nervis elevatis utroque latere ad 12 nervulisque laxe areola- 

 rs longe hispido-pilosis ; petiolo brevissimo, vesiculis hispidissimis 

 secus costam folii productis. Stipulae filiformes, '/,-pollicares. Ra- 

 cemi 6 poll, longi, axillaris, stricti , simplices, rachi stricta multi- 

 flora floribusque rufo-tomentosis. Flores sparsi, */, poll, diam.; 

 pedicellis gracilibus, '/ 6 poll, longis. Bracteae filiformi-subulatae, 

 pedicellos subaequantes; bracteolae conformes, minimae. Calycis 

 tubus brevis, campanulatus, gibbus; lobi tubo duplo longiores, 

 lineari-oblongi, obtusi. Petala calycis lobis longiora, spathulata. 

 Stamina 8; filamentis crassiusculis glabcrrimis, % poll, longis. 

 Ovarium villosum; stylus basi pilosus. Fructus ignotus. 



Habitat in sylvis recentioribus secus ft. Guainiae : Spruce n. 3593. 

 Najas. 



9. HIRTELLA LONGIFOLIA Benth. ramulis foliisque 

 subtus longe patenter hispido-setosis; foliis anguste lineari-oblongis 

 oblongo-lanceolatisve caudato-acuminatis ; racemis gracillimis, flori- 

 bus gracillime pedicellatis. 



Hirtella longifolia Benth. Mss. in PL Spruce ad n. 2904. 



Arbor tenuis, 15— 20-pedalis (Spruce); ramulis subgracilibus. Folia 

 8—12 poll, longa, submembranacea, basi obtusa, siccitate brunnea, superne 

 costa subsetosa excepta glabra, marginibus setoso-ciliatis tenuiter recurvis; 

 subtus concolora, nervis utroque latere 15—18, nervulisque laxe reticula- 

 tis prominulis hispidis; petiolo brevissimo. Stipulae filiformes, setosae, ca- 

 ducae. Racemi axillares et terminales, folia aequantes, rachi pedicellis 

 floribusque pubescentibus. Flores solitarii v. bini, ad J / 4 poll, diam.; 



pedicellis gracillimis, fere % poll, longis. Bracteae minutae, subulatae; 

 bracteolae 0. Calyx pubescens et sparse pilosus; tubus brevissimus, gibbus; 

 lobi lineari-oblongi, obtusi, tubo multo longiores. Petala spathulata, cae- 

 rulea, lobos calycis subaequantia. Stamina 3—5, rubra, filamentis ? / 3 

 poll, longis, rubris, robustis. Ovarium hirsutum; stylus glaber. 



Huic valde affinis est planta Sprucei n. 3523? (in sylvis prope Tome 

 detecta), cujus exemplar solitarium vidimus in quo folia breviora cum petiolo 

 2-testiculato, pedicellique floruin breviores. 



Habitat in sylvis caeduis (Capoeiras) prope Panure ad fi. Vaupes 

 prov. do Alto Amazonas: Spruce n. 2904. Najas. 



10. HIRTELLA SUBSCANDENS Spruce: ramulis patenter 

 hispido-setosis; foliis e basi cordata oblongo-lanceolatis acuminatis, 

 utrinque glaberrimis; racemis elongatis gracillimis pubcrulis basi 

 tantum setosis, pedicellis nliformibus. 



Hirtella subscandens Spruce Mss. 



Arbor tenuis, 15-pedalis, ramulis elongatis debilibus, sub- 

 scandentibus (Spruce); ramulis patentim hispido-setosis. Folia 

 3 — 7 poll, longa, dure coriacea, superne fusco-castanea, nitida, ner- 

 vis nervulisque reticulatis prominulis, marginibus siccitate tenuiter 

 recurvis; subtus pallidiora opaca, nervis utroque latere 10 — 12, di- 

 varicatis, nervulis inconspicuis; petiolo brevissimo, setoso. Sti- 

 pulae non visae. Racemi axillares, simplices, longe pedunculati, 

 stricti, graciles, floresque obscure puberuli, rachi basin versus 

 sparse setosa. Flores sparsi, ad '/, poll, diam.; pedicellis % 

 poll, longis. Bracteae BRACTEOLAEque basin versus pedicelli consitae, 

 minutae, subulatae, setaceae, glandula terminatae. Calyx pubescens 

 et sparse pilosus; tubus brevis, gibbus; lobi puberuli, oblongi, ob- 

 tusi , tubo multo longiores. Petala oblongo-obovata, calycis lobis 

 aequilonga, purpurea. Stamina ad 6; filamentis subrobustis, ad 

 '/, poll, longis. Ovarium hirsutum ; stylus glaber. Fructus ignotus. 



Habitat in prov. do Alto Amazonas sylvis humilioribus ad Tome 

 Cfl. Guainiae) : Spruce n. 3533. Najas. 



y. Ramuli non (v. rarius in H. Americana) patenter pilosi, graciles, 

 glabri v. pubescentes. 



* Racemi graciles foliis longiores v. iis aequilongi. 



11. HIRTELLA FLORIBUNDA Cham, et Schlecht. ramulis 

 racemis foliisque subtus patenter hirsutis; foliis (parvis) elliptico- 

 oblongis lanceolatisve acutisq racemis numerosis breviusculis, pedi- 

 cellis gracilibus elongatis; staminibus ad 10. 



Hirtella floribunda Cham, et Schlecht. in Linnaea II. 548. 



Arror parva (Gardner); ramulis tenuibus, dense patentim fulvo- 

 hirsutis. Folia 2-pollicaria , vix coriacea, basi subacuta, superne lucide 

 fusca, glaberrima v. pilosula, nitida, nervis impressis, costa hirsutula, ner- 

 vulis creberrime reticulatis; subtus pallidiora, subhispido-pilosa , nervis 

 utroque costae latere ad 10 prominulis, nervulis laxe reticulatis ; pedicello brevi, 

 gracili. Stipulae parvae, subulatae, deciduae. Racemi numerosi, axillares 

 et versus apices ramorum subpaniculatim dispositi, foliis aequilongi v. ea su- 

 perantes, rachi pedicellis floribusque dense patenter hirsutis. Flores sparsi, 

 Ve P o11 - diam.; pedicellis gracilibus, */ t poll, longis. Bracteae minutae, 

 subulatae; bracteolae minimae v. 0. Calyx longe pilosus; tubus brevis, 

 obconicus; lobi lineari-oblongi, obtusi, tubo duplo longiores, tomentelli. 

 Petala obovato-oblonga, calycis lobis longiora. Stamina ad 10; fila- 

 mentis glabris, %— x / 3 poll, longis. Ovarium hirsutum; stylus basi pi- 

 losus. Fructus ignotus. 



Habitat in prov. Minarum: Sello, Claussen, Gardner n. 4541., 

 Ackermann. Oreas. 



12. HIRTELLA POHLII Hook. fil. ramulis racemisque 

 dense patenter hirsutis; foliis oblongo-lanceolatis acuminatis basi 

 rotundatis utrinque nitidis superne scaberulis subtus hispidulis; 

 racemis valde elongatis longe pedunculatis, pedicellis brevibus; sta- 

 minibus ad 6. 



